| | Organization Name(s) | Located In |
 | T J Stables, Acceptional Riders, Chatham | Chatham |
 | Take Off Pounds Sensibly, Dresden Branch | Sarnia |
| | Take Off Pounds Sensibly, Essex County | Essex |
 | Take Off Pounds Sensibly, Thamesville, #ON171 | Thamesville |
| | Take Off Pounds Sensibly (TOPS) - London and surrounding area | Georgetown |
 | Talbot Street United Church, Wheatley | Wheatley |
 | Taoist Tai Chi, Fung Loy Kok Institute of Taoism, Tillsonburg | Tillsonburg |
| | Tara (Boom) Houston Children's Foundation | St Thomas |
 | Tara Hall Residential Care Home | St Thomas |
 | Tarion - Western Regional Office | London |
 | Tartan Sertoma Club, Chatham | Chatham |
| | Tavistock and Area Horticultural Society | Tavistock |
 | Tavistock and District Historical Society | Tavistock |
 | Tavistock Assistance Program | Tavistock |
| | Tavistock District Chamber of Commerce | Tavistock |
 | Tavistock Pre-School | Tavistock |
 | TD Canada Trust Friends of the Environment Foundation, Chatham-Kent Chapter, 300 | Chatham |
 | Teamsters, Local 879 | Windsor East |
| | Tecumseh | Chatham |
 | Tecumseh Business Improvement Area | Tecumseh |
 | Tecumseh Development Corporation | Muncey |
 | Tecumseh Golden Age Club | Tecumseh (Town of) |
 | Tecumseh Life Centre, Tecumseh Rd E | Windsor East |
 | Tecumseh Mall, Diabetes Wellness Centre and Tecumseh Mall, Walking To Wellness Program | Windsor East |
 | Tecumseh Manning Medical Centre Clinic | Tecumseh (Town of) |
 | Tecumseh Public School, LAMBTON KENT DISTRICT SCHOOL BOARD, Chatham | Chatham |
 | Tecumseh Urgent Care Centre | Tecumseh |
 | Tecumseh. Town of Tecumseh, Fire and Rescue Service | Tecumseh (Town of) |
 | Tecumseh. Town of Tecumseh, Municipal Office | Tecumseh (Town of) |
 | Tecumseh. Town of Tecumseh, Municipal Office, Council Members | Tecumseh (Town of) |
 | Tecumseh. Town of Tecumseh, Recreation Services, Parks and Recreation | Tecumseh |
 | Tecumseh. Transit Service | Tecumseh (Town of) |
 | Teen Challenge London | London |
| | Teen Missions In Canada | Saskatchewan |
 | Temple Baptist Church | Sarnia |
 | Temple Tots Day Care Centre | London |
 | Ten Thousand Villages, Leamington | Leamington (Town of) |
 | Ten Thousand Villages, Windsor | Windsor Central |
 | Tender Touch Orthotics | Sarnia |
 | Terrace Lodge | Aylmer |
 | Terrace Lodge, Adult Day Program | Aylmer |
 | Terrace Lodge, Adult Day Program - Alzheimers | Aylmer |
 | Terry Fox Foundation - Local Run Organizing Committee | Port Stanley |
 | Thames Centre, Municipality of | Dorchester |
 | Thames Centre, Municipality of, Dorchester Fire Station | Dorchester |
 | Thames Centre, Municipality of, Thorndale Fire Station | Thorndale |
 | Thames Emergency Medical Services - Emergency Ambulance Service | St Thomas |
 | Thames Institute of the Arts, St. Clair College, Thames Campus | Chatham |
 | Thames Valley Children's Centre | Windsor East |
 | Thames Valley Children's Centre | London |
 | Thames Valley Children's Centre, Autism Services | London |
 | Thames Valley Children's Centre, Clinical and Technical Specialty Services | London |
 | Thames Valley Children's Centre, Early Childhood and School Age / Adolescent Program | London |
 | Thames Valley College of Business and IT | London |
 | Thames Valley District School Board | London |
 | Thames Valley District School Board, Gateway to Learning | Woodstock |
 | Thames Valley District School Board, Adult and Continuing Education, English as a Second Language Program, Woodstock | Woodstock |
 | Thames Valley District School Board, Adult and Continuing Education, Tillsonburg, English as a Second Language Program | Tillsonburg |
 | Thames Valley District School Board, Adult, Alternative and Continuing Education | London |
 | Thames Valley District School Board, Adult, Alternative and Continuing Education, Adult High School Diploma Program | London |
 | Thames Valley District School Board, Adult, Alternative and Continuing Education, Balaclava Street Adult Learning Centre, Adult High School Diploma Program | St Thomas |
 | Thames Valley District School Board, Adult, Alternative and Continuing Education, Balaclava Street Adult Learning Centre, Gateway to Learning (Upgrading) | St Thomas |
 | Thames Valley District School Board, Adult, Alternative and Continuing Education, Blossom Park Education Centre, Adult High School Diploma Program | Woodstock |
 | Thames Valley District School Board, Adult, Alternative and Continuing Education, Gateway to Learning (Upgrading) | London |
| | Thames Valley District School Board, Adult, Alternative and Continuing Education, Gateway to Learning (Upgrading), Chippewas of the Thames First Nation | Muncey |
 | Thames Valley District School Board, Adult, Alternative and Continuing Education, Gateway to Learning (Upgrading), Hutton House Learning Centre | London |
 | Thames Valley District School Board, Adult, Alternative and Continuing Education, Gateway to Learning (Upgrading), Middlesex Community Living | Strathroy |
| | Thames Valley District School Board, Adult, Alternative and Continuing Education, Gateway to Learning (Upgrading), Oneida Training Centre | Southwold |
 | Thames Valley District School Board, Adult, Alternative and Continuing Education, Personal Support Worker (PSW) Program | London |
 | Thames Valley District School Board, Adult, Alternative and Continuing Education, Strathroy Adult Learning Centre | Strathroy |
 | Thames Valley District School Board, Adult, Alternative and Continuing Education, Strathroy Adult Learning Centre, Adult High School Diploma Program | Strathroy |
 | Thames Valley District School Board, Adult, Alternative and Continuing Education, Strathroy Adult Learning Centre, Gateway to Learning (Upgrading) | Strathroy |
 | Thames Valley District School Board, Adult, Alternative and Continuing Education, Tillson Avenue Education Centre, Adult High School Diploma Program | Tillsonburg |
 | Thames Valley District School Board, Alternative School - Anishnaabe Skiniiw Centre | London |
 | Thames Valley District School Board, Alternative School - Wiingashk Centre | London |
 | Thames Valley District School Board, Blossom Park Education Centre | Woodstock |
 | Thames Valley District School Board, Blossom Park Education Centre, Adult High School Diploma Program | Woodstock |
 | Thames Valley District School Board, Community Employment Services - Ingersoll, Gateway to Learning | Ingersoll |
 | Thames Valley District School Board, Tillson Avenue Education Centre | Tillsonburg |
 | Thames Valley District School Board, Tillson Avenue Education Centre, Adult High School Diploma Program | Tillsonburg |
 | Thames Valley District School Board, Vansittart Woods Enviromental Education Centre | Woodstock |
 | Thames Valley District School Board, Woodstock Transition School | Woodstock |
 | Thames Valley Family Health Team | London |
 | Thames Valley Family Health Team, Southwest Middlesex Health Centre | Mount Brydges |
 | Thames Valley Family Health Team, Strathroy Medical Clinic | Strathroy |
 | Thames Valley Family Health Team, West London Family Health Clinic | London |
| | Thamesford and Area Information Site | Thamesford |
| | Thamesford Business Association | Thamesford |
| | Thamesford Minor Soccer | Thamesford |
| | Thamesford Taking Action Group | Thamesford |
 | Thamesview Family Health Team, Chatham | Chatham |
 | Thamesville and District Historical Society, The Ontario Historical Society | Thamesville |
| | Thamesville Area | Thamesville |
 | Thamesville Area Central School, LAMBTON KENT DISTRICT SCHOOL BOARD | Thamesville |
 | Thamesville Early Learning Centre, Mary Street | Thamesville |
 | Thamesville Horticultural Society | Thamesville |
 | Thamesville Learning Centre | Thamesville |
| | Thamesville Old Town Hall Museum | Thamesville |
 | Thamesville Rotary Club, District 6380 | Thamesville |
 | Thamesville United Church | Thamesville |
 | The Anglican Parish of Comber | Tilbury |
 | The Anglican Parish of Southern Trinity | Essex County |
 | The Anglican Parish of Southern Trinity, Christ Church Colchester | Colchester South |
| | The Arthritis Society-Sarnia, Occupational and Physical Therapy | Sarnia |
 | The Blue House | Petrolia |
 | The Blue House Drop-In For Women | Windsor East |
 | The Boys and Girls Club of Sarnia/Lambton | Sarnia |
 | The Breast Buddies Dragon Boat Team | Sarnia |
 | The Business Observers | Belle River (Town of) |
| | The Canadian Hearing Society | Sarnia |
 | The Chatham-Kent Children's Safety Village | Blenheim |
| | The Chris Dawson Centre | Sarnia |
 | The Circle Women's Centre for Spirituality, Activism and the Earth | London |
| | The Common Thread | Woodstock |
 | The Corporation of the County of Lambton | Lambton County |
 | The Family Centre | Wallaceburg |
 | The Gathering Place Christian Fellowship | Sarnia |
 | The Good Shepherd Parish, Emeryville | Emeryville |
| | The Good Shepherd's Lodge | |
| | The Grand Bend Community Centre | Grand Bend |
 | The Grandview Retirement Residence by Revera | Windsor |
 | The Inn of Windsor | Windsor Central |
 | The Inn of Windsor, Residential Program, Supportive Apartment Living Transition Program | Windsor East |
 | The Inn of Windsor, Residential Treatment Program | Windsor Central |
| | The Jerry McCaw Family Centre YMCA of Sarnia-Lambton | Sarnia |
| | The Jerry McCaw Family Centre YMCA of Sarnia-Lambton, Friendship House | Sarnia |
 | The Kent Law Association | Chatham |
| | The Legacy Recreation Centre | Thedford |
 | The Links of Kent | Chatham |
 | The May Court Club of Chatham | Chatham |
 | The Mental Health Network of Chatham-Kent | Chatham |
 | The Migrant Worker Community Program | Leamington (Town of) |
 | The Mix 96.7, CHYR FM | Leamington |
| | The Open Door Co-Op Preschool Inc., Trinity Anglican Church | Sarnia |
 | The Refugee Ministries of the Diocese of London in Windsor, Refugee Claimants, Private Sponsorship of Refugees | Windsor Central |
 | The Royal Canadian Legion, Ontario Provincial Command, Windsor Service Bureau | Windsor Central |
| | The Rural United Pastoral Charge | |
 | The Salvation Army, Winter Warmth Fund for Union Gas only | Sarnia |
 | The Salvation Army Chatham-Kent Ministries | Chatham |
 | The Salvation Army C-K Ministries, Wallaceburg | Wallaceburg |
 | The Salvation Army Westminster Park - Hospitality Meal and Food Bank | London |
| | The Shores Recreation Centre | Forest |
| | The Strangway Centre | Sarnia |
 | The Tabernacle Church of God | Sarnia |
| | The Tabernacle Church of God | Sarnia |
 | The Tilbury Times, Windsor Essex Community Publishing, A Division of Postmedia Network | Tilbury |
| | The Township of Enniskillen. Mayor | Petrolia |
| | The United Way of Sarnia-Lambton | Sarnia |
| | The University of Western Ontario Research Park Sarnia-Lambton Campus | Sarnia |
 | The Victim Quick Response Program, Chatham-Kent Victim Services | Chatham |
 | The Village of Aspen Lake | Windsor East |
 | The Village on the Ridge, Ridgetown | Ridgetown |
 | The WorkPlace County Outreach, Employment Assistance Services | Petrolia |
 | The WorkPlace Group, Employment Assistance Services | Sarnia |
 | Theatre Alive | Windsor |
 | Theatre Kent | Chatham |
 | Theatre Tillsonburg | Tillsonburg |
 | Theatre Woodstock | Woodstock |
 | Theatre Woodstock, Cast Theatre Company | Woodstock |
| | Thedford EMS Base, County of Lambton | Thedford |
 | Thedford Non-Profit Housing Inc. | Thedford |
| | Thedford Village Complex | Thedford |
 | Thistle Theatre | Embro |
 | Thornton-Pow, Pamela, Doctor of Naturopathic Medicine | Woodstock |
 | Three Fires Ezhignowenmindwaa Womens Shelter, Walpole Island | Walpole Island |
| | Thyroid Foundation of Canada, London Area Chapter | London |
 | Tilbury Baptist Church | Tilbury |
 | Tilbury & District Horticultural Society | Tilbury |
 | Tilbury and District Minor Hockey Association | Tilbury |
| | Tilbury Area | Tilbury |
 | Tilbury Area Public School, LAMBTON KENT DISTRICT SCHOOL BOARD | Tilbury |
 | Tilbury BIA & Tilbury & District Chamber of Commerce | Tilbury |
 | Tilbury Chiropractic Clinic | Tilbury |
 | Tilbury Dental Centre | Tilbury |
 | Tilbury District Family Health Team Inc | Tilbury |
 | Tilbury District High School, Lambton Kent District School Board | Tilbury |
 | Tilbury Figure Skating Club | Tilbury |
 | Tilbury Information and Help Centre, Outreach Office United Way of Chatham-Kent, Arranged Transportation Services | Tilbury |
 | Tilbury Information and Help Centre, United Way of Chatham-Kent West Kent Outreach Office | Tilbury |
 | Tilbury Leisure Centre | Tilbury |
 | Tilbury License Bureau, Service Ontario, Licenses; Emissions Testing, Health Card Renewal (OHIP) | Tilbury |
 | Tilbury Lions Goodfellows | Tilbury |
 | Tilbury Manor Long Term Care Home | Tilbury |
| | Tilbury Optometrist List, Optometrists | Tilbury |
 | Tilbury Rehab Centre | Tilbury |
 | Tilbury Tots Early Learning Centre, Main Site - Tilbury | Tilbury |
 | Tilbury Tots Early Learning Centre, T.T.E.L.C. at École Ste-Marie | Chatham |
 | Tilbury Tots Early Learning Centre, T.T.E.L.C. at École St-Francis | Tilbury East |
 | Tilbury Tots Early Learning Centre, T.T.E.L.C. at École St-Paul | Stoney Point |
 | Tilbury Tots Early Learning Centre, T.T.E.L.C. at Merlin Area Public School | Merlin |
 | Tilbury Tots Early Learning Centre, T.T.E.L.C. at Pain Court Hub, Sainte-Catherine Garderie | Pain Court |
 | Tilbury Tots Early Learning Centre, T.T.E.L.C. at St. Francis Catholic School | Tilbury |
| | Tilbury Tots Early Learning Centre, T.T.E.L.C. at Tilbury Area Public School | Tilbury |
 | Tilbury Tots Early Learning Centre, T.T.E.L.C. at Wheatley Area Public School | Wheatley |
 | Tilbury Walk-In Clinic | Tilbury |
 | Tillsonburg, Customer Service Centre | Tillsonburg |
 | Tillsonburg, Tillsonburg Hydro | Tillsonburg |
 | Tillsonburg, Tillsonburg Hydro, saveONenergy Home Assistance Program | Tillsonburg |
 | Tillsonburg, Waste Management, Tillsonburg Transfer Station | Tillsonburg |
 | Tillsonburg and District Multi-Service Centre | Tillsonburg |
 | Tillsonburg and District Multi-Service Centre, Adult Literacy and Basic Skills, Woodstock | Woodstock |
 | Tillsonburg and District Multi-Service Centre, Adult Literacy and Essential Skills, Tillsonburg | Tillsonburg |
 | Tillsonburg and District Multi-Service Centre, Assisted Living in Supportive Housing and the Community | Tillsonburg |
 | Tillsonburg and District Multi-Service Centre, Employment Services, Ontario Employment Services | Tillsonburg |
 | Tillsonburg and District Multi-Service Centre, Foot and Hand Care Services | Tillsonburg |
 | Tillsonburg and District Multi-Service Centre, Home at Last | Tillsonburg |
 | Tillsonburg and District Multi-Service Centre, Home Yard Maintenance and Repair | Tillsonburg |
 | Tillsonburg and District Multi-Service Centre, Housekeeping and Errand Service | Tillsonburg |
 | Tillsonburg and District Multi-Service Centre, Meals on Wheels and Frozen Meals | Tillsonburg |
 | Tillsonburg and District Multi-Service Centre, Personal Support Services | Tillsonburg |
 | Tillsonburg and District Multi-Service Centre, Transportation | Tillsonburg |
| | Tillsonburg District Chamber of Commerce | Tillsonburg |
 | Tillsonburg District Memorial Hospital | Tillsonburg |
 | Tillsonburg District Memorial Hospital, Diabetes Education Program | Tillsonburg |
 | Tillsonburg Retirement Home | Tillsonburg |
| | Tillsonburg Sea Scouts | Tillsonburg |
 | Tillsonburg Senior Centre | Tillsonburg |
 | Tillsonburg. Non-Profit Housing Corporation, Seniors Housing ~ Maple Lane | Tillsonburg |
 | Tillsonburg. Non-Profit Housing Corporation, Seniors Housing ~ Townview Terrace | Tillsonburg |
 | Tillsonburg. Parks and Recreation, Administration | Tillsonburg |
 | Tillsonburg. Protective Services, Fire Department | Tillsonburg |
 | Toastmasters International, LaSalle and Windsor | LaSalle |
 | Toastmasters International, Oxford Orators | Woodstock |
 | Toastmasters International, Tecumseh | Windsor East |
 | Toastmasters International, Windsor Toastmaster Club 6416 | Windsor Central |
| | Toddler Time Co-Op Preschool Inc. | Sarnia |
 | TomLynn Acres | Petrolia |
 | TOPS - Take Off Pounds Sensibly, Tilbury | Tilbury |
| | TOPS (take off pounds sensibly) | Sarnia |
| | Tourette Syndrome Foundation of Canada - London Chapter | London |
 | Tourism London | London |
 | Tourism Oxford | Woodstock |
 | Tourism Sarnia-Lambton | Sarnia |
| | Tourism Sarnia-Lambton | Sarnia |
 | Tourism Windsor Essex Pelee Island | Windsor Central |
 | Town of Ingersoll | Ingersoll |
| | Town of Petrolia. Municipal Office | Petrolia |
| | Town of Petrolia. Petrolia Family Medical Centre | Petrolia |
 | Town of Plympton-Wyoming | Wyoming |
 | Town of Tillsonburg, Corporate Office | Tillsonburg |
 | Town of Tillsonburg, Economic Development Office | Tillsonburg |
 | Townsend Meadows | Forest |
 | Township of Norwich | Otterville |
| | Township of Norwich Chamber of Commerce | Norwich |
| | Township of Warwick. Mayor, Warden for The County of Lambton | Watford |
| | Township of Warwick. Municipal Office | Watford |
 | Toy Box Inc (The), Early Childhood Education Centre, Howard Ave Site | Windsor South |
 | Toy Box Inc (The), Early Childhood Education Centre, McDougal Site | Windsor South |
| | Toys 4 Tots | Leamington |
| | Toys for Tots - London Branch | London |
 | Trails End Muzzleloaders, Chatham | Chatham |
| | Transit Department, City of Sarnia, Jim Stevens - Director | Sarnia |
 | Transit Windsor | Windsor East |
 | Transit Windsor, Windsor International Transit Terminal | Windsor Central |
 | Transport Training Centres of Canada Inc - London | London |
 | Treat Yourself Wellness Centre | Sarnia |
| | Tree Top Learning | Petrolia |
| | Trees for Kent, Chatham | Chatham |
 | Tri-County Literacy Network, Literacy and Basic Skills programs | Chatham |
 | Triedstone Church of God In Christ, Chatham | Chatham |
| | Trillium Gift of Life Network | |
 | Trillium Retirement Home | Norwich |
 | Trillium Villa | Sarnia |
| | Trillium Villa Nursing Home | Sarnia |
 | Trinity United Church, New California, Kingsville | Kingsville (Town of) |
 | Trinity Anglican Church | Cottam |
 | Trinity Anglican Church, Pastoral Charge, Blenheim | Blenheim |
 | Trinity Anglican Church, Pastoral Charge: Church of the Advent; Howard Trinity; Church of the Redeemer (Highgate), Ridgetown | Ridgetown |
 | Trinity Anglican Church, Sarnia | Sarnia |
 | Trinity Anglican Church, St Pauls Anglican Church, Pastoral Charge | Blenheim |
 | Trinity Anglican Church, Watford | Watford |
 | Trinity Lutheran Church | Windsor Central |
 | Trinity Pastoral Charge, Trinity Christian Centre, Charlmont Free Christian Church | Dresden |
 | Trinity United Church, Wallaceburg | Wallaceburg |
 | Trinity United Church - Hospitality Meal | London |
 | triOS College Business Technology Healthcare | Windsor East |
 | TRIOS College Business Technology Healthcare Inc - London | London |
 | Triple "C" Carvers | Sarnia |
| | Triple P - Positive Parenting Program | Windsor |
| | Triple Threat Theatre | Sarnia |
 | Tulip Tree Needlearts | Chatham-Kent |
 | Tuppervile United Church, Zion United Church | Lambton County |
 | Turner Drive, County of Lambton. Housing Services Department. Sarnia | Sarnia |
 | Turning Point Incorporated | London |
 | Turning Point Incorporated, Men's Residence | London |
 | Turning Point Incorporated, Women's Residence | London |
 | TV Cogeco | Windsor Central |
 | TVCOGECO, Chatham | Chatham |
 | TVCOGECO Sarnia | Sarnia |
 | Twin Berry Park, County of Lambton. Housing Services Department. Sarnia | Sarnia |
 | Twin Bridges Nurse Practioner Led Clinic | Sarnia |
 | Twin Bridges Volleyball Club | Sarnia |
| | Twin Lake Terrace | Sarnia |
 | Twin Lakes Terrace Retirement & Long Term Care Communities | Sarnia |
 | tykeTALK (Thames Valley Preschool Speech and Language Program) | London |