| | Organization Name(s) | Located In |
| | La Leche League | Windsor |
 | La Leche League, Chatham-Kent | Chatham |
| | La Leche League Canada - London Chapter | London |
 | La Leche League Canada - St Thomas Group | St Thomas |
 | La Résidence Richelieu Windsor Inc | Windsor East |
 | LA RIBAMBELLE; CENTRE DE LA PETITE ENFANCE, Les Rapids (Hub) | Lambton County |
 | La Sertoma, Chatham | Chatham |
 | La Sertoma, Thamesville | Thamesville |
 | La Stella Market, Delivery Service | Windsor Central |
 | Labour Community Service Centre, Senior/Family Housing | Windsor Central |
 | Labourers International Union of North America, Local 625 | Windsor East |
 | Labourers' International Union of North America, Local 1089, Training Centre | Sarnia |
| | Labourer's International Union of North American - Local 1089 | Sarnia |
 | Ladies of St Anne Catholic Womens League, Pain Court | Chatham-Kent |
| | Laidlaw Education Services | Sarnia |
 | Lake Erie Country Club Ltd | Amherstburg |
 | Lake Huron Obedience Training | Corunna |
 | Lakeshore Advance | Grand Bend |
 | Lakeshore Community Church | Bright's Grove |
 | Lakeshore Medical Centre, Walk-In Medical Clinic | Belle River (Town of) |
 | Lakeshore News | Belle River (Town of) |
 | Lakeshore OPP Community Policing Committee | Belle River (Town of) |
 | Lakeshore St Andrews Presbyterian Church | Lakeshore |
 | Lakeshore St Andrews Presbyterian Church, GriefShare | Lakeshore |
 | Lakeshore Township Community Daycare Centre | Lakeshore |
 | Lakeshore. Building Department, Building Inspector | Belle River (Town of) |
 | Lakeshore. Dog Pound, Area # 3 | Lakeshore |
 | Lakeshore. Fire Department, Station 1 | Lakeshore |
 | Lakeshore. Fire Department, Station 2 | Lakeshore |
 | Lakeshore. Fire Department, Station 3 | Lakeshore |
 | Lakeshore. Fire Department, Station 4 | Lakeshore |
 | Lakeshore. Fire Department, Station 5 | Lakeshore |
 | Lakeshore. Lakeshore Community Services, Centennial Park | Puce |
 | Lakeshore. Lakeshore Community Services, Maidstone Park | Maidstone |
| | Lakeshore. Lakeshore Community Services, Parks and Recreation, Duck Creek Park | Belle River (Town of) |
 | Lakeshore. Lakeshore Community Services, Parks and Recreation, Geralyn Tellier Perdue Memorial Park | St Joachim |
 | Lakeshore. Lakeshore Community Services, Parks and Recreation, Johnson Riverview Park | Belle River (Town of) |
 | Lakeshore. Lakeshore Community Services, Parks and Recreation, Ladouceur/Lions Park | Belle River (Town of) |
 | Lakeshore. Lakeshore Community Services, Parks and Recreation, Lakeshore Soccer Park | Belle River (Town of) |
 | Lakeshore. Lakeshore Community Services, Parks and Recreation, Lakeview Park | Belle River (Town of) |
 | Lakeshore. Lakeshore Community Services, Parks and Recreation, Leffler Peace Park | Belle River (Town of) |
| | Lakeshore. Lakeshore Community Services, Parks and Recreation, Lighthouse Cove Lions Park | Lighthouse Cove |
 | Lakeshore. Lakeshore Community Services, Parks and Recreation, Millen Centre Park | Woodslee |
 | Lakeshore. Lakeshore Community Services, Parks and Recreation, Oakwood Parkette | Emeryville |
 | Lakeshore. Lakeshore Community Services, Parks and Recreation, Optimist Park | Belle River (Town of) |
 | Lakeshore. Lakeshore Community Services, Parks and Recreation, Puce Sports and Leisure Centre | Lakeshore |
 | Lakeshore. Lakeshore Community Services, Parks and Recreation, Russel Woods Parkette | Lakeshore |
 | Lakeshore. Lakeshore Community Services, Parks and Recreation, St Clair Shore Park | Lakeshore |
 | Lakeshore. Lakeshore Community Services, Parks and Recreation, Staples Community Park | Belle River (Town of) |
 | Lakeshore. Lakeshore Community Services, Parks and Recreation, Terra Lou Parkette | Belle River (Town of) |
 | Lakeshore. Lakeshore Community Services, Parks and Recreation, Tilbury North Park | Stoney Point |
 | Lakeshore. Lakeshore Community Services, Parks and Recreation, Woodslee Oriole Park | Woodslee |
 | Lakeshore. Lakeshore Community Services, Pleasant Park | Lakeshore |
 | Lakeshore. Lakeshore Community Services, Recreation Division | Belle River (Town of) |
 | Lakeshore. Lakeshore Community Services, Woodslee Memorial Park | Woodslee |
 | Lakeshore. Municipal Office | Belle River (Town of) |
 | Lakeshore. Park and Recreation, Comber Fairgrounds Park | Comber |
 | Lakeshore. Park and Recreation, Helena Park | Belle River (Town of) |
 | Lakeshore. Park and Recreation, Legion's Park | Belle River (Town of) |
 | Lakeshore. Public Works Department | Belle River (Town of) |
 | Lakeshore. Waterworks, Stoney Point Water Filtration Plant | Stoney Point |
 | Lakeview Montessori School | Tecumseh |
 | Lakeview Naturopathic Clinic | Woodstock |
 | Lambeth Seniors Housing Corporation | London |
 | Lambon Kent District School Board. Riverview Central Public School, No. 259 | Port Lambton |
| | Lambton (County of) Administration Office | Plympton-Wyoming |
 | Lambton Audiology Associates | Sarnia |
 | Lambton Audiology Associates, Petrolia Location | Petrolia |
 | Lambton Baptist Church | Port Lambton |
| | Lambton Branch of the Ontario Genealogical Society | Sarnia |
| | Lambton Chinese Canadian Association | Sarnia |
 | Lambton College | Sarnia |
 | Lambton College, Academic Upgrading, Literacy and Basic Skills | Sarnia |
 | Lambton College, Employment & Learning Centre, Petrolia, Ontario Employment Services | Petrolia |
 | Lambton College, Sarnia, Summer Jobs Service | Sarnia |
 | Lambton College Early Childhood Education Centre | Sarnia |
 | Lambton College Early Childhood Education Centre, Main Campus Lambton College, North Building | Sarnia |
| | Lambton College of Applied Arts and Technology | Sarnia |
| | Lambton College. Ontario Early Years, Sarnia-Lambton Ontario Early Years Centre | Sarnia |
 | Lambton Community Health Services Department, Forest | Forest |
| | Lambton Community Health Services Department, Petrolia | Petrolia |
| | Lambton Concert Band | Watford |
| | Lambton County 4H | Dresden |
 | Lambton County Addiction Services | Sarnia |
 | Lambton County Archives | Wyoming |
 | Lambton County Cultural Services, Lambton County Library | Lambton County |
| | Lambton County Developmental Services | Petrolia |
 | Lambton County Developmental Services, Supported Employment Services | Petrolia |
 | Lambton County Developmental Services (LCDS) | Petrolia |
 | Lambton County Human Resource Administration | Sarnia |
| | Lambton County Music Festival | Sarnia |
| | Lambton County Radio Club | Sarnia |
 | Lambton County Student Wellness Committee | Sarnia |
| | Lambton Crude Oil Crushers | Sarnia |
 | Lambton Elderly Outreach | Wyoming |
 | Lambton Elderly Outreach | Wyoming |
| | Lambton Elderly Outreach/Senior VIP | Plympton-Wyoming |
 | Lambton Family Initiative | Sarnia |
| | Lambton Farm Safety | Alvinston |
| | Lambton Health Unit, Immunization Program | Point Edward |
 | Lambton Heritage Museum | Grand Bend |
| | Lambton Heritage Museum | |
 | Lambton Inn, Meeting Facilities | Sarnia |
| | Lambton Kent Deistrict School Board. Queen Elizabeth ll (S), No. 257 | Sarnia |
 | Lambton Kent District School Board | Sarnia |
 | Lambton Kent District School Board, Adult & Continuing Education, Adult High School Diploma Program, Chatham | Chatham |
 | Lambton Kent District School Board, Alternative and Continuing Education Centre | Sarnia |
 | Lambton Kent District School Board, Alternative and Continuing Education Centre, Adult High School Diploma Program, Sarnia Campus | Sarnia |
 | Lambton Kent District School Board, Blenheim District High School, Bobcat Booster Club | Blenheim |
 | Lambton Kent District School Board, Chatham | Chatham |
 | Lambton Kent District School Board, Dawn-Euphemia Elementary School | Dresden |
| | Lambton Kent District School Board. A.A. Wright Public School, No. 211 | Wallaceburg |
 | Lambton Kent District School Board. Aberarder Central Public School, No. 212 | Camlachie |
| | Lambton Kent District School Board. Alexander MacKenzie Secondary School, No. 111 | Sarnia |
| | Lambton Kent District School Board. Blenheim District High School, No. 112 | Blenheim |
 | Lambton Kent District School Board. Bridgeview Public School, No. 214 | Point Edward |
 | Lambton Kent District School Board. Brigden Public School, No. 215 | Brigden |
 | Lambton Kent District School Board. Bright's Grove Public School, No. 216 | Bright's Grove |
 | Lambton Kent District School Board. Brooke Central Public School, No. 217 | Alvinston |
 | Lambton Kent District School Board. Cathcart Blvd Public School, No. 218 | Sarnia |
 | Lambton Kent District School Board. Colonel Cameron Public School, No. 219 | Corunna |
 | Lambton Kent District School Board. Confederation Central Public School | Sarnia |
 | Lambton Kent District School Board. D. A. Gordon Public School, No. 221 | Wallaceburg |
| | Lambton Kent District School Board. Dawn-Euphemia Public School, No. 222 | Dresden |
 | Lambton Kent District School Board. Dresden Area, No. 224 | Dresden |
| | Lambton Kent District School Board. East Lambton Elementary School, No.277 | Watford |
 | Lambton Kent District School Board. Errol Village Public School, No. 227 | Lambton County |
| | Lambton Kent District School Board. Grand Bend Public School, No. 230 | Grand Bend |
| | Lambton Kent District School Board. Gregory Drive Public School, No. 231 | Chatham |
| | Lambton Kent District School Board. H. W. Burgess Public School, No. 233 | Wallaceburg |
 | Lambton Kent District School Board. Hanna Memorial Public School, No. 234 | Sarnia |
| | Lambton Kent District School Board. Harwich-Raleigh Public School, No. 235 | Blenheim |
 | Lambton Kent District School Board. High Park Public School, No. 236 | Sarnia |
| | Lambton Kent District School Board. Hillcrest Public School, No. 237 | Petrolia |
| | Lambton Kent District School Board. King George Vl (Sarnia), No. 243 | Sarnia |
| | Lambton Kent District School Board. Kinnwood Central Public School, No. 244 | Forest |
 | Lambton Kent District School Board. Lakeroad Public School, No. 245 | Sarnia |
 | Lambton Kent District School Board. Lambton Central Centennial Public School, No. 246 | Petrolia |
| | Lambton Kent District School Board. Lambton Central Collegiate Vocational Institute, No. 117 | Petrolia |
 | Lambton Kent District School Board. Lambton Kent Composite School, No. 118 | Dresden |
 | Lambton Kent District School Board. Lansdowne Public School, No. 247 | Sarnia |
 | Lambton Kent District School Board. London Road Public School, No. 248 | Sarnia |
 | Lambton Kent District School Board. Mooretown Courtright Public School, No. 252 | Mooretown |
| | Lambton Kent District School Board. North Lambton Secondary School, No. 118 | Forest |
| | Lambton Kent District School Board. Northern Collegiate Institute & Vocational School, No. 120 | Sarnia |
| | Lambton Kent District School Board. P.E. McGibbon Public School, No. 278 | Sarnia |
| | Lambton Kent District School Board. Queen Elizabeth ll (P), No. 257 | Petrolia |
 | Lambton Kent District School Board. Rosedale Public School, No. 261 | Sarnia |
| | Lambton Kent District School Board. Sarnia Collegiate & Technical School, No. 122 | Sarnia |
| | Lambton Kent District School Board. Sir John Moore Community School, No. 276 | Lambton County |
 | Lambton Kent District School Board. South Plympton/Wyoming Public School, No. 262 | Wyoming |
| | Lambton Kent District School BoardErrol Road Public School, No. 226 | Sarnia |
 | Lambton Kent Memorial Arena, Dresden | Dresden |
 | Lambton Kent School Board. Bosanquet Central Public School, No. 213 | Thedford |
 | Lambton Mall Walking Club | Sarnia |
 | Lambton Meadowview Villa County Home for Aged | Petrolia |
| | Lambton Outdoor Club | Sarnia |
| | Lambton Pharmacy Ltd. | Petrolia |
 | Lambton Pro Resp | Sarnia |
| | Lambton Right To Life | Sarnia |
 | Lambton Rural Child Care | Petrolia |
 | Lambton Seniors Association | Sarnia |
| | Lambton Seniors Association, "Seniors Helping Seniors" | Sarnia |
 | Lambton Shield | Sarnia |
| | Lambton Shores. Mayor | Forest |
| | Lambton Shores. Municipal Office | Forest |
 | Lambton Shrine Club | Point Edward |
| | Lambton Sports Club | Sarnia |
 | Lambton Sportsman's Club | Lambton County |
| | Lambton Toastmasters | Sarnia |
 | Lambton United Church Centre | Forest |
| | Lambton Wildlife | Sarnia |
| | Lambton Youth Choir | Sarnia |
 | Lambton. County of Lambton, Social Services Division | Sarnia |
 | Lambtonian Apartments, County of Lambton. Housing Services Department. Petrolia | Lambton County |
 | Lambton-Kent Archers, Wallaceburg | Dresden |
 | Lambton-Kent Composite School, LAMBTON KENT DISTRICT SCHOOL BOARD, Dresden | Dresden |
| | Lambton-Kent Teacher Local | Wallaceburg |
 | Landmark Village | Sarnia |
 | Langdon Retirement Villa | Woodstock |
 | L'Arche London | London |
| | LaSalle Business Association | LaSalle |
 | LaSalle. LaSalle Fire Service | LaSalle |
 | LaSalle Medical Clinic | LaSalle |
 | LaSalle. Police Services | LaSalle |
 | LaSalle Post | Tecumseh |
 | LaSalle. Council | LaSalle |
 | LaSalle. Municipal Office | LaSalle |
 | LaSalle. Municipal Office, Culture and Recreation, LaSalle Outdoor Pool | LaSalle |
| | LaSalle. Municipal Office, Culture and Recreation, River Canard Park | LaSalle |
 | LaSalle. Municipal Office, Culture and Recreation, Vollmer Culture and Recreation Complex | LaSalle |
 | LaSalle. Municipal Office, Culture and Recreation, Vollmer Culture and Recreation Complex | LaSalle |
 | Latchkey Day Care & Learning Centre, Administration Office | Tecumseh (Town of) |
 | Latchkey Day Care & Learning Centre, Notre Dame Latchkey Program | Windsor West |
 | Latchkey Day Care & Learning Centre, Our Lady of Mount Carmel Latchkey Program | Windsor South |
 | Latchkey Day Care & Learning Centre, Our Lady of the Annunciation Latchkey Program | Stoney Point |
 | Latchkey Day Care & Learning Centre, Prince Andrew Latchkey Program | LaSalle |
 | Latchkey Day Care & Learning Centre, Sacred Heart Latchkey Program | LaSalle |
 | Latchkey Day Care & Learning Centre, Sandwich West Latchkey Program | LaSalle |
 | Latchkey Day Care & Learning Centre, St Gregory Latchkey Program | Lakeshore |
 | Latchkey Day Care & Learning Centre, St John the Baptist Latchkey Program | Belle River (Town of) |
 | Latchkey Day Care & Learning Centre, St Joseph Latchkey Program | River Canard |
 | Latchkey Day Care & Learning Centre, St Peter Latchkey Program | Tecumseh (Town of) |
 | Latchkey Day Care & Learning Centre, St Pius X Latchkey Program | Tecumseh (Town of) |
 | Latchkey Day Care & Learning Centre, Victoria Latchkey Program | Tecumseh |
 | Laurel Lea St. Matthew's Presbyterian Church | Sarnia |
 | Lawn Bowling Club, Chatham | Chatham |
| | Lawrence House Centre for the Arts | Sarnia |
 | Lawson Health Research Institute | London |
 | Leadership Windsor/Essex | Windsor Central |
 | Leads - Ontario Employment Assistance Services | London |
 | Leads Employment Services, Strathroy | Strathroy |
 | Leads Employment Services - Ontario Employment Assistance Services, Strathroy | Strathroy |
 | Leamington Skating Club | Leamington (Town of) |
 | Leamington and Area Family Health Team | Leamington (Town of) |
 | Leamington and District Half Century Centre | Leamington (Town of) |
 | Leamington and District Half Century Centre, Income Tax Clinic | Leamington (Town of) |
 | Leamington Arts Centre, South Essex Arts Association | Leamington (Town of) |
| | Leamington District Agricultural Society, Leamington Fair Grounds | Leamington (Town of) |
 | Leamington District Memorial Hospital | Leamington (Town of) |
 | Leamington District Memorial Hospital, Leamington District Memorial Hospital Foundation | Leamington (Town of) |
 | Leamington District Memorial Hospital, Nuclear Medicine, Nuclear Medicine with Bone Densitometry | Leamington (Town of) |
 | Leamington District Memorial Hospital, Obstetrics Department, Newborn Clinic | Leamington (Town of) |
 | Leamington District Memorial Hospital, Ontario Breast Screening Program | Leamington (Town of) |
 | Leamington District Memorial Hospital, Outpatient Physiotherapy | Leamington |
 | Leamington Horticultural Society | Leamington (Town of) |
 | Leamington Medical Supplies | Leamington |
 | Leamington Mennonite Home and Apartments | Leamington (Town of) |
 | Leamington United Church | Leamington (Town of) |
 | Leamington United Mennonite Church | Leamington (Town of) |
 | Leamington. Engineering Department | Leamington |
 | Leamington. Fire Department, Leamington Fire Services | Leamington (Town of) |
 | Leamington. Municipal Office | Leamington (Town of) |
 | Leamington. Municipal Office, Goodfellows, Holiday Programs | Leamington (Town of) |
 | Leamington. Municipal Office, Leamington Transit | Leamington (Town of) |
 | Leamington. Municipal Office, Parks Department, Seacliff Park | Leamington |
 | Leamington. Municipality of Leamington, Building Department | Leamington |
 | Leamington. Recreation Department, Kinsmen Baseball Diamonds | Leamington (Town of) |
 | Leamington. Recreation Department, Leamington Kinsmen Recreation Complex | Leamington |
 | Leamington. Recreation Department, Leamington Kinsmen Recreation Complex, In Motion Pass Program | Leamington |
| | Learn 2 Unlearn | London |
 | Learning Circle Preschool | Petrolia |
 | Learning Disabilities Association, Windsor-Essex County Chapter | Windsor Central |
 | Learning Disabilities Association, Windsor-Essex County Chapter, Employment Support | Windsor Central |
 | Learning Disabilities Association, Windsor-Essex County Chapter, Social Skills Programs | Windsor Central |
 | Learning Disabilities Association, Windsor-Essex County Chapter, Tutoring Programs | Windsor Central |
 | Learning Disabilities Association, Windsor-Essex County Chapter, Youth & Adult Recreation Groups | Windsor Central |
 | Learning Disabilities Association of Chatham-Kent, Chatham-Kent | Chatham |
 | Learning Disabilities Association of Lambton County | Sarnia |
 | Learning Disabilities Association of Ontario, Lambton County | Sarnia |
 | Learning Disabilities Association of Ontario - London Region | London |
 | Learning Disabilities Association of Ontario - London Region, Adult AD/HD Support Group | London |
 | Learning Disabilities Association of Ontario - London Region, Children/Youth Programming | London |
 | Learning Disabilities Association of Ontario - London Region, Consultations | London |
 | Learning Disabilities Association of Ontario - London Region, Employment/Employer Services | London |
 | Learning Visions | Bright's Grove |
 | Lebanese Cedar Club | Sarnia |
| | LeeLee Hats | Windsor |
 | Legal Aid Ontario | Sarnia |
 | Legal Aid Ontario, District Area Legal Aid Office Essex County, Lambton, Kent | Windsor Central |
 | Legal Aid Ontario, District Area Office Essex, Lambton, Kent | Chatham |
 | Legal Aid Ontario, Family Law Service Centre, Chatham-Kent | Chatham |
 | Legal Aid Ontario - London Criminal Duty Counsel | London |
 | Legal Aid Ontario - London District Office | London |
 | Legal Aid Ontario - London Family Duty Counsel | London |
 | Legal Aid Ontario - St Thomas Criminal Duty Counsel | St Thomas |
 | Legal Aid Ontario - St Thomas Family Duty Counsel | St Thomas |
 | Legal Assistance of Windsor | Windsor Central |
| | LEHDER Environmental Services Ltd | Point Edward |
 | Leisureworld Caregiving Centre, Oxford | Ingersoll |
 | Leone Residence | Windsor West |
 | Les Petit Marins Centre Prescolaire Francophone Inc. | Sarnia |
 | Let's Learn | Sarnia |
 | Liberty Staffing Services | Woodstock |
| | Lice Squad Canada Inc, The Nitpickers | |
| | Lice Squad, The - London-Sarnia | London |
 | Life Resource Centre | London |
 | LIFE*SPIN | London |
 | LIFE*SPIN, Christmas Sponsorship Program | London |
 | LIFE*SPIN, Free Store | London |
 | LIFE*SPIN, Heritage East Resource Centre | London |
 | LIFE*SPIN, Large Item Donor Registry | London |
 | LIFE*SPIN, LIFE*SPIN Community Housing Initiative | London |
 | LIFE*SPIN, Office of the Community Advocate | London |
 | LIFE*SPIN, Public Legal Education | London |
 | Lifelabs, Sarnia Location | Sarnia |
 | LifeLabs - London - Central Ave | London |
 | LifeLabs - London - Main Office - Base Line Rd E | London |
 | LifeLabs - London - Oxford St E | London |
 | LifeLabs - London - Sherwood Forest Mall | London |
 | LifeLabs - London - Western University | London |
 | LifeLabs - London - Wharncliffe Rd N | London |
 | LifeLabs - St Thomas | St Thomas |
| | LifeLabs Medical Laboratory Services - Sarnia | Sarnia |
 | LifeSkills Centre | London |
 | LifeSkills Centre, Employment Skills | London |
 | LifeSpring Physiotherapy | London |
 | LIFT Non-Profit Housing of London Inc - LIFT House | London |
 | Lighthouse Community Church | Sarnia |
 | Lighthouse Cove Lions Club, Tilbury | Tilbury |
 | Limberlost Chaplaincy | London |
 | Lincoln Road United Church | Windsor Central |
| | Links2Work | London |
| | Lioness Club, South Windsor | Windsor South |
 | Lioness Club, Tilbury | Tilbury |
| | Lioness Club, Tillsonburg | Tillsonburg |
 | Lioness Club, Wyoming Chapter | Wyoming |
 | Lions Club, Belle River, Special Services | Belle River (Town of) |
 | Lions Club, Chatham | Chatham |
| | Lions Club, Essex and District | Essex (Town of) |
 | Lions Club, Hickson and District | Hickson |
| | Lions Club, Innerkip & District Lions Club | Innerkip |
 | Lions Club, Kingsville | Kingsville (Town of) |
 | Lions Club, Norwich Otterville | Otterville |
 | Lions Club, Plattsville and District | Plattsville |
 | Lions Club, Stoney Point | Stoney Point |
| | Lions Club, Thamesford | Thamesford |
 | Lions Club, Tilbury | Tilbury |
| | Lions Club, Tillsonburg | Tillsonburg |
 | Lions Club, Wheatley | Wheatley |
 | Lions Club, Windsor Downtown, Gift Of Sight Eye Glass Program | Windsor East |
| | Lions Club, Woodstock | Woodstock |
| | Lions Club International | Ontario |
 | Lions Club International, Dereham District | Dereham Centre |
| | Lions Clubs, Lambton County | Lambton County |
| | Lions Clubs, Windsor-Essex County Locations | Essex County |
| | Lions International District A-15 Zone 37-S | Oxford County |
 | Lions Manor, Windsor Downtown, Downtown Lions Residence Project Windsor | Windsor Central |
 | Lions Senior Centre | Dorchester |
 | Listen UP Canada | Sarnia |
 | Listenup Canada | Chatham |
 | Literacy Link South Central | London |
 | Literacy London | London |
| | Lithuanian Canadian Community - London Branch | London |
 | Little Friends Child and Family Development Centre, Ska:na Family Learning Centre | Sarnia |
 | Little Lambs Day Care | Strathroy |
| | Little League Baseball, Windsor - Essex County | Windsor |
 | Little Red Schoolhouse (The) | London |
 | Little Steps Day Care Centre | Beachville |
 | Living Faith Community Church | Chatham |
 | Living Hope Christian Reformed Church | Sarnia |
 | Living Water Christian Fellowship | Tilbury |
 | Living Word Assembly, Wallaceburg | Wallaceburg |
 | Livingston Centre (The) | Tillsonburg |
 | Loads of Love Humanitarian Aid & Mission Society | Chatham |
| | Local Immigration Partnership, LIP | Sarnia |
 | Lochiel Kiwanis Community Centre | Sarnia |
 | London Abused Women's Centre | London |
| | London Affordable Housing Foundation | London |
| | London and Area Council of Women | London |
 | London and Area Food Bank | London |
 | London and Area Food Bank, Argyle Food Depot | London |
 | London and Area Food Bank, Impact Church Food Bank | London |
 | London and Area Food Bank, Kinsmen Food Depot | London |
 | London and Area Food Bank, Northwest Food Bank Depot | London |
 | London and Area Food Bank, St Lawrence Church Food Bank | London |
 | London and District Academy of Medicine | London |
 | London and District Crime Stoppers | London |
| | London and District Dental Hygienists' Society | London |
| | London and District Dental Society | London |
 | London and District Distress Centre, Crisis Response Line | London |
| | London and District Distress Centre, Distress Line | London |
| | London and District Distress Centre, Seniors Helpline | London |
| | London and District Ostomy Association - Chapter of United Ostomy Association of Canada | London |
 | London and District Stroke Recovery Association | Komoka |
| | London and Middlesex County Immigration Portal | London |
| | London and Middlesex County March Break Activites | |
 | London and Middlesex Housing Corporation | London |
| | London Anti-Bullying Coalition | London |
| | London Blizzard Sledge Hockey Club | London |
 | London Block Parent Program | London |
 | London Bridge Child Care Services | London |
| | London Bridge Child Care Services, ABC Child Care | Sarnia |
 | London Bridge Child Care Services, Adelaide Early Childhood Learning Centre | London |
 | London Bridge Child Care Services, Elmwood Early Childhood Learning Centre | London |
 | London Bridge Child Care Services, Huron Heights Early Childhood Learning Centre | London |
 | London Bridge Child Care Services, Little Acorns Early Childhood Learning Centre | London |
 | London Bridge Child Care Services, London Day Nursery Early Childhood Learning Centre | London |
 | London Bridge Child Care Services, Maitland Early Childhood Learning Centre | London |
 | London Bridge Child Care Services, Piccadilly Place Early Childhood Learning Centre | London |
 | London Bridge Child Care Services, Rowntree Park Early Childhood Learning Centre | London |
 | London Bridge Child Care Services, Springbank Early Childhood Learning Centre | London |
 | London Bridge Child Care Services, Stoneybrook Early Childhood Learning Centre | London |
 | London Caregivers Referral Network | London |
 | London Centre of Hope Family Health Team | London |
 | London Chamber of Commerce | London |
 | London Children's Connection | London |
 | London Children's Connection, Ashley Oaks Children's Centre | London |
 | London Children's Connection, Bonaventure Meadows Children's Centre | London |
 | London Children's Connection, Byron Somerset Children's Centre | London |
 | London Children's Connection, Community Home Child Care | London |
 | London Children's Connection, I'm Home Program | London |
 | London Children's Connection, Jack Chambers Children's Centre | London |
 | London Children's Connection, Jean Vanier Children's Centre | London |
 | London Children's Connection, North London Children's Centre | London |
 | London Children's Connection, Pond Mills Children's Centre | London |
 | London Children's Connection, Rick Hansen Children's Centre | London |
 | London Children's Connection, School Age Program | London |
 | London Children's Connection, Westminster Children's Centre | London |
 | London Children's Connection, White Oaks Children's Centre | London |
 | London Chinese School | London |
| | London Cinderella Project | London |
 | London Community Foundation | London |
 | London Community Resource Centre | London |
 | London Community Resource Centre, Collective Kitchens | London |
 | London Community Resource Centre, Community Garden Project | London |
 | London Community Resource Centre, Grow, Cook, Learn | London |
 | London Community Resource Centre, Healthy Tidbits | London |
| | London Consistory Club | London |
| | London Coordinating Committee to End Woman Abuse | London |
 | London Crisis Pregnancy Centre | London |
 | London Crisis Pregnancy Centre, Confidential Support Services | London |
 | London Crisis Pregnancy Centre, New Moms' Group | London |
 | London Crisis Pregnancy Centre, Young Mom Connections | London |
 | London Cross Cultural Learner Centre | London |
 | London Cross Cultural Learner Centre, Job Search Workshop for Newcomers | London |
 | London Cross Cultural Learner Centre, Library and Resources | London |
 | London Cross Cultural Learner Centre, LINC Language Assessment | London |
 | London Cross Cultural Learner Centre, Settlement Services | London |
 | London Cross Cultural Learner Centre, Settlement Services, Community Connections | London |
 | London Cross Cultural Learner Centre, Settlement Services, Joseph's House | London |
 | London Cross Cultural Learner Centre, Settlement Services, Joseph's House | London |
 | London Cross Cultural Learner Centre, Settlement Services, Newcomer Settlement Program | London |
 | London Cross Cultural Learner Centre, Settlement Services, Partners in Caring | London |
 | London Cross Cultural Learner Centre, Settlement Services, Resettlement Assistance Program | London |
 | London Cross Cultural Learner Centre, Settlement Services, Settlement Workers in Schools Program (SWIS) | London |
 | London Cross Cultural Learner Centre, Translation Services | London |
 | London Diabetes Centre | London |
 | London District Catholic School Board | London |
 | London District Catholic School Board, Centre for Lifelong Learning | London |
 | London District Catholic School Board, Centre for Lifelong Learning, Adult High School Diploma Program | London |
 | London District Catholic School Board, Centre for Lifelong Learning, Literacy and Basic Skills | London |
| | London Down Syndrome Association | London |
| | London Dystonia Support Group | London |
 | London Economic Development Corporation | London |
 | London Employment Help Centre | London |
 | London Employment Help Centre, Advocacy Services | London |
 | London Employment Help Centre, Employment Workshops | London |
 | London Employment Help Centre, Northland Mall | London |
 | London Employment Help Centre, Northland Mall, Advocacy Services | London |
 | London Employment Help Centre, Northland Mall, Employment Workshops | London |
 | London Employment Help Centre, Northland Mall, Ontario Employment Services | London |
 | London Employment Help Centre, Ontario Employment Services | London |
| | London Endometriosis Group | London |
 | London German Language School | London |
 | London Guest Home | London |
 | London HBT Working Group | London |
 | London Health Sciences Centre | London |
 | London Health Sciences Centre, Byron Family Medical Centre | London |
 | London Health Sciences Centre, First Episode Mood and Anxiety Program | London |
 | London Health Sciences Centre, LHSC Cardiac Rehabilitation and Secondary Prevention Program | London |
 | London Health Sciences Centre, London Regional Cancer Program | London |
 | London Health Sciences Centre, London Regional Cancer Program, Patient and Family Library | London |
 | London Health Sciences Centre, University Hospital | London |
 | London Health Sciences Centre, University Hospital, Clinical Neurological Sciences (CNS), Acute Care General Neurology and Neurosurgical Unit, Motor Neuron Disease Clinic | London |
 | London Health Sciences Centre, University Hospital, Clinical Neurological Sciences (CNS), Acute Care General Neurology and Neurosurgical Unit, Multiple Sclerosis Clinic | London |
 | London Health Sciences Centre, University Hospital, Multi-Organ Transplant Program | London |
 | London Health Sciences Centre, University Hospital, Southwestern Ontario Stroke Network | London |
 | London Health Sciences Centre, University Hospital, Women's Health, The Fertility Clinic | London |
 | London Health Sciences Centre, Victoria Family Medical Centre | London |
 | London Health Sciences Centre, Victoria Hospital | London |
 | London Health Sciences Centre, Victoria Hospital, Bleeding Disorders Program | London |
 | London Health Sciences Centre, Victoria Hospital, Cardiac Care Program, Cardiac Fitness Institute of Southwestern Ontario | London |
 | London Health Sciences Centre, Victoria Hospital, Family Medicine and Palliative Care Program | London |
 | London Health Sciences Centre, Victoria Hospital, Impaired Minds Produce Actions Causing Trauma (IMPACT) | London |
 | London Health Sciences Centre, Victoria Hospital, Maternal Newborn Care | London |
 | London Health Sciences Centre, Victoria Hospital, Maternal Newborn Care, Shaken Baby Syndrome Education Program | London |
 | London Health Sciences Centre, Victoria Hospital, Mental Health Care Program, Adult Mental Health Care Program | London |
 | London Health Sciences Centre, Victoria Hospital, Mental Health Care Program, Adult Mental Health Care Program, General Adult Ambulatory Mental Health Services | London |
 | London Health Sciences Centre, Victoria Hospital, Mental Health Care Program, Adult Mental Health Care Program, Geriatric Mental Health Service | London |
 | London Health Sciences Centre, Victoria Hospital, Mental Health Care Program, Adult Mental Health Care Program, Prevention and Early Intervention Program for Psychoses (PEPP) | London |
 | London Health Sciences Centre, Victoria Hospital, Mental Health Care Program, Coordinated Intake for Ambulatory Mental Health Services | London |
 | London Health Sciences Centre, Victoria Hospital, Women's Health Care Centre | London |
| | London Homeless Coalition | London |
 | London Housing Registry | London |
 | London Humane Society | London |
 | London Hydro | London |
 | London InterCommunity Health Centre | London |
 | London InterCommunity Health Centre, Anonymous HIV Testing - Options Clinic | London |
 | London InterCommunity Health Centre, Education Programs | London |
 | London InterCommunity Health Centre, Ethno-Racial Youth Mentoring Project | London |
 | London InterCommunity Health Centre, Health Outreach For People Who Are Homeless | London |
 | London InterCommunity Health Centre, Huron Street Site | London |
 | London InterCommunity Health Centre, Huron Street Site, Youth Outreach Workers | London |
 | London InterCommunity Health Centre, Program for Immigrant Seniors | London |
 | London InterCommunity Health Centre, Program for Immigrant Seniors, Seniors' Drop In | London |
 | London InterCommunity Health Centre, Program for Immigrant Seniors, Seniors Home Visiting Program | London |
 | London InterCommunity Health Centre, Program for Immigrant Seniors, Seniors' WrapAround | London |
 | London InterCommunity Health Centre, Program for Immigrant Seniors, Tai Chi Classes for Seniors | London |
 | London InterCommunity Health Centre, Women of the World | London |
 | London International Airport | London |
 | London Islamic School | London |
 | London Jewish Federation | London |
 | London Jewish Federation, Gan-Gani Nursery School of London | London |
 | London Jewish Federation, London Jewish Community Centre | London |
 | London Jewish Federation, London Jewish Community Village | London |
 | London Jewish Federation, Noah's Ark Preschool | London |
 | London Language Institute | London |
 | London Language Institute | London |
 | London Medical Transportation Systems | London |
 | London Medicentre | London |
 | London Middlesex Immigrant Employment Council | London |
 | London Middlesex Suicide Prevention Council | London |
 | London Military Family Resource Centre | London |
 | London Montessori Preschool | London |
 | London Montessori School | London |
 | London Mood Disorders Self Help Group | London |
| | London Multiple Births Association | London |
 | London Muslim Mosque | London |
| | London Natural Family Planning | London |
 | London Polonia Towers I | London |
 | London Prostate Cancer Centre | London |
 | London Prosthetics Company | London |
 | London Public Library | London |
 | London Public Library, Beacock Branch Library | London |
 | London Public Library, Byron Branch Library | London |
 | London Public Library, Carson Branch Library | London |
 | London Public Library, Central Library | London |
 | London Public Library, Central Library, Sifton Family Health and Wellness Centre | London |
 | London Public Library, Cherryhill Branch Library | London |
 | London Public Library, Crouch Branch Library | London |
 | London Public Library, East London Branch Library | London |
 | London Public Library, Glanworth Branch Library | London |
 | London Public Library, Jalna Branch Library | London |
 | London Public Library, Lambeth Branch Library | London |
 | London Public Library, Landon Branch Library | London |
 | London Public Library, Masonville Branch Library | London |
 | London Public Library, Pond Mills Branch Library | London |
 | London Public Library, Sherwood Branch Library | London |
 | London Public Library, Stoney Creek Branch Library | London |
 | London Public Library, Westmount Branch Library | London |
 | London Regional AIDS Hospice - John Gordon Home | London |
 | London Regional Children's Museum | London |
 | London Regional Psychological Association | London |
| | London Road Diagnostic and Medical Centre | Sarnia |
 | London Road Diagnostic Clinic and Medical Centre | Sarnia |
 | London Road West United Church | Sarnia |
 | London School Care | London |
 | London Senior Games Board - District 30 | London |
 | London Serbian Community | London |
 | London Sikh Society | London |
 | London Speech and Language Centre | London |
 | London Training Centre - Ontario Employment Services | London |
 | London Transit Commission | London |
 | London Transit Commission, Specialized Transit Services | London |
 | London Transit Commission, Specialized Transit Services, Community Bus | London |
 | London Transit Commission, Specialized Transit Services, Paratransit | London |
| | London Transplant Gift of Life Association | London |
 | London Ukrainian Centre | London |
 | London Waldorf School | London |
| | London Wheelchair Basketball Association | London |
 | London X-Ray Associates - Boler Rd | London |
 | London X-Ray Associates - Bradley Ave | London |
 | London X-Ray Associates - Central Ave | London |
 | London X-Ray Associates - Dundas St | London |
 | London X-Ray Associates - Springbank Rd | London |
 | London Youth for Christ | London |
 | London Youth for Christ, Campus Life | London |
 | London Youth for Christ, Streetlight | London |
 | London Youth for Christ, Successful Teen Parenting Program | London |
 | London, City of | London |
 | London, City of, Accessibility Advisory Committee | London |
 | London, City of, Department of Community Services | London |
 | London, City of, Department of Community Services, Child Care Services and Child Care Fee Subsidy Program | London |
 | London, City of, Department of Community Services, Discretionary Benefits | London |
 | London, City of, Department of Community Services, Family Support Program | London |
 | London, City of, Department of Community Services, Ontario Works | London |
 | London, City of, Development and Compliance Services | London |
 | London, City of, Emergency Management | London |
 | London, City of, Housing Division - Housing Access Centre | London |
 | London, City of, London Community Addiction Response Strategy (London CAReS) | London |
 | London, City of, London Fire Department | London |
 | London, City of, London Police Service | London |
 | London, City of, London Police Service, Family Consultants and Victim Services Unit | London |
 | London, City of, London Police Service, Police Reporting Centre | London |
 | London, City of, Parks and Recreation Department - Aquatic Services | London |
 | London, City of, Parks and Recreation Department - Aquatic Services, Canada Games Aquatic Centre | London |
 | London, City of, Parks and Recreation Department - Aquatic Services, Carling Heights Optimist Community Centre | London |
 | London, City of, Parks and Recreation Department - Aquatic Services, South London Community Pool | London |
 | London, City of, Parks and Recreation Department - Arenas | London |
 | London, City of, Parks and Recreation Department - Spectrum | London |
 | London, City of, Youth Web | London |
 | Long Point Region Conservation Authority | Tillsonburg |
 | Long Point Region Conservation Authority, Dereham Wetlands Conservation Area | South-West Oxford |
 | Longworth Retirement Residence | London |
 | Lonset Non-Profit Housing Corporation | London |
 | Lower Thames Valley Conservation Authority | Chatham-Kent |
 | Loyal Order of Moose, Administration, Windsor Lodge 1499 | Windsor Central |
 | Loyal Order of Moose, Administration, Windsor Lodge 1499, Holiday Programs | Windsor Central |
 | Loyal Order of Moose - Sarnia Lodge #1046, Coats for kids | Sarnia |
 | Loyal Order of the Moose, Chapter 1156, Wallaceburg | Wallaceburg |
 | Loyal Order of the Moose 1692, Chatham, Chatham Moose Family Centre | Chatham |
 | LTC Translation Services | Tecumseh |
 | Lucan and District Co-Operative Nursery School | Lucan |
 | Lucan Biddulph, Municipality of | Lucan |
 | Lucan Biddulph, Municipality of, Granton Fire Station | Granton |
 | Lucan Community Non-Profit Apartment Corporation | Lucan |
 | Lung Association (The) - Bluewater Thames Valley Area | London |
 | Lung Association (The), Windsor-Essex, Chatham-Kent | Chatham |
| | Lupus Ontario, Windsor Branch | Windsor |
 | LUSO Community Services | London |
 | LUSO Community Services, Children and Youth Services | London |
 | LUSO Community Services, Children and Youth Services, Fast Track Program | London |
 | LUSO Community Services, Children and Youth Services, North East Area Youth Support Program | London |
 | LUSO Community Services, Children and Youth Services, Parents as Partners in Education | London |
 | LUSO Community Services, Children and Youth Services, Reading and Parents Program | London |
 | LUSO Community Services, Children and Youth Services, School Based Program | London |
 | LUSO Community Services, Children and Youth Services, Shared Beginnings | London |
 | LUSO Community Services, Community Development Services | London |
 | LUSO Community Services, Community Development Services, Northeast Community Development Project | London |
| | LUSO Community Services, Community Development Services, Summer Breakfast Program | London |
 | LUSO Community Services, Education and Outreach Services | London |
 | LUSO Community Services, Education and Outreach Services, Anti-Hate and Anti-Bias Program | London |
 | LUSO Community Services, Education and Outreach Services, Multicultural Outreach Program | London |
 | LUSO Community Services, Immigrant Services | London |
 | LUSO Community Services, Immigrant Services, Employment Support Program | London |
| | LUSO Community Services, Immigrant Services, Library Settlement Program | London |
 | LUSO Community Services, Immigrant Services, Newcomer Settlement Program | London |
 | LUSO Community Services, Immigrant Services, Settlement Workers in Schools Program | London |
| | Lynn Sproviero Reflexology | Sarnia |