| Organization Name(s) | Located In |
| Access 2 Entertainment | Toronto |
| Adaptive Clothing by Silvert's | Concord |
| ADECCO Employment Services, Brockville | Brockville |
| Adult Learning and Training Centre | Perth |
| Adult Learning and Training Centre, Literacy and Basic Skills | Perth |
| Advanced Alarm Systems | Smiths Falls |
| Advanced Mobility Systems | Kingston |
| Advanced Patient NET Limited | Kingston |
| AFS Interculture Canada | Montreal |
| Agincourt Community Services Association, Information Scarborough | Scarborough |
| Air Cadet League of Canada, 585 Rideau Squadron, Smiths Falls | Smiths Falls |
| Air Cadet League of Canada, 661 Lt WF Sharpe Squadron, Prescott | Prescott |
| Air Cadet League of Canada, 870 Vampire Squadron, Brockville | Brockville |
| Albion Neighbourhood Services | Toronto |
| Alcoholics Anonymous, Brockville | Brockville |
| Alcoholics Anonymous, Kemptville | Kemptville |
| Alcoholics Anonymous, Lanark County / North Leeds | Lanark County |
| Algonquin College Heritage Institute, Perth Campus | Perth |
| Algonquin College of Applied Arts & Technology, Perth Campus, Ontario Employment Services | Perth |
| Algonquin College of Applied Arts & Technology, Smiths Falls Centre | Smiths Falls |
| Algonquin College of Applied Arts & Technology, Smiths Falls Centre, Literacy and Basic Skills | Smiths Falls |
| All Hair Alternative Studio and Bea's Masectomy Boutique | Kingston |
| Alliance of Information and Referral Systems | USA |
| Almonte Community Coordinators, Hub (The) | Almonte |
| Almonte Country Haven, Long Term Care Facility | Almonte |
| Almonte Curling Club | Almonte |
| Almonte General Hospital | Almonte |
| Almonte General Hospital, Cardiology | Almonte |
| Almonte General Hospital, Complex Continuing Care | Almonte |
| Almonte General Hospital, Day Hospital | Almonte |
| Almonte General Hospital, Dental Surgery | Almonte |
| Almonte General Hospital, Discharge Planning | Almonte |
| Almonte General Hospital, Emergency Department | Almonte |
| Almonte General Hospital, Occupational Therapy | Almonte |
| Almonte General Hospital, Physiotherapy | Almonte |
| Almonte General Hospital, Physiotherapy Department, Authorized Assistive Devices Program Assessments | Almonte |
| Almonte General Hospital, Respite Care/Convalescent Care | Almonte |
| Almonte General Hospital, Sexual Assault Program | Almonte |
| Almonte Presbyterian Church | Almonte |
| Almonte Soccer Club | Almonte |
| Almonte United Church | Almonte |
| Almost Home | Kingston |
| ALS Society, ALS Equipment Program | Toronto |
| ALS Society, Eastern Ontario Regional Office | Ottawa |
| ALS Society, Lanark, Leeds and Grenville Chapter | Lanark County |
| Alwood Treatment Centre Inc., Coed Residential Drug and Alcohol Treatment Centre | Carleton Place |
| Alzheimer Society of Lanark County | Perth |
| Alzheimer Society of Leeds-Grenville | Brockville |
| Amateur Radio Emergency Service, Frontenac County | Kingston |
| Amateur Radio Emergency Service, Lanark North Leeds | Lanark County |
| Amateur Radio Emergency Service, Leeds & Grenville | Leeds and Grenville United Counties |
| Anglican Parish of All Saints South Grenville, St James Church, Maitland | Maitland |
| Anglican Parish of Kitley, St. Thomas Anglican Church, Frankville | Frankville |
| Anglican Parish of Lansdowne Front, Church of the Redeemer, Rockport | Rockport |
| Anglican Parish of Leeds Rear, St. John's Leeds Anglican Church, Sweets Corners | Leeds and the Thousand Islands |
| Anglican Parish of Leeds Rear, St. Luke's Anglican Church, Lyndhurst | Lyndhurst |
| Anglican Parish of Merrickville, Christ Church Burritt's Rapids | Burritts Rapids |
| Anglican Parish of Merrickville, Holy Trinity Anglican Church | Merrickville |
| Anglican Parish of St Lawrence, Brockville | Brockville |
| Aplastic Anemia and Myelodysplasia Association of Canada | Richmond Hill |
| ARCH Disability Law Centre | Toronto |
| Army Cadet League of Canada, 113 Brockville Rifles | Brockville |
| Army Cadet League of Canada, 492 Gananoque | Gananoque |
| Arthritis Society (The), Eastern Ontario Region, Kingston Office | Kingston |
| Arthur Child Heritage Museum of the 1000 Islands | Gananoque |
| Asbury Free Methodist Church | Perth |
| Ashton Munster Pastoral Charge, Ashton United Church | Ashton |
| Aspergers Society of Ontario | Toronto |
| Assault Response & Care Centre | Brockville |
| ASSE - International Student Exchange Program | Longueuil |
| Association canadienne-française de l'Ontario, Région des Mille-Îles | Kingston |
| Association of Fundraising Professionals, Southeastern Ontario Chapter | Kingston |
| Athens & District Housing Corp, Senior's Apartments | Athens |
| Athens & District Snowmobile Club | Athens |
| Athens and Addison Pastoral Charge, Addison United Church | Addison |
| Athens and Addison Pastoral Charge, Athens United Church | Athens |
| Athens Area Ministerial Food Bank | Athens (Town of) |
| Athens Baptist Church | Athens |
| Athens District Chamber of Commerce | Athens |
| Athens Free Methodist Church | Athens |
| Athens Garden Club & Horticultural Society | Athens (Town of) |
| Athens. Fire Department | Athens |
| Athens. Municipal Offices | Athens |
| Augusta Township Public Library | Brockville |
| Augusta. Fire Department | Maitland |
| Augusta. Municipal Offices | Augusta |
| Augusta. Roebuck Community Centre | Spencerville |
| Autism Ontario, Kingston and Area Chapter | Kingston |
| Automobile Protection Association | Toronto |