| Advocis, Simcoe-Muskoka Chapter | |
| Aktion Club, Stratford Branch | Stratford |
| Alliston Business Improvement Association | New Tecumseth |
| Architectural Conservancy of Ontario, Stratford-Perth County Branch | Stratford |
| Asperger's Society of Ontario | Toronto Downtown North |
| Association of Administrative Professionals, Barrie / Simcoe County Branch | Barrie |
| Barrie and Area Ontario Health Team, Barrie - no physical address | Barrie |
| Barrie and District Association of Basketball Officials | Barrie |
| Barrie and District Association of Realtors | Barrie |
| Barrie and District Labour Council, Barrie - No Physical Address | Barrie |
| Barrie Association of Volunteer Administrators | Barrie |
| Barrie Construction Association | Barrie |
| Barrie Police Association, Barrie | Barrie |
| Barrie Region Innovation Xchange, No Physical Address | Barrie |
| Bayfield Agricultural Society, Agricultural Park | Bluewater |
| Beef Farmers of Ontario, No Physical Address - Perth County | |
| Blyth Brussels Minor Hockey Association | Huron East |
| BNI Ontario Central North, Orillia | Orillia |
| Brain Injury Association Peterborough Region | Peterborough |
| Bruce Peninsula Association for Community Living | South Bruce Peninsula |
| Brussels Agricultural Society, Brussels, Morris and Grey Community Centre | Huron East |
| Business and Professional Women (BPW) Barrie | Barrie |
| Business Network International. Georgian Triangle Chapter | Collingwood |
| Canadian Association of Farm Advisors | Stratford |
| Canadian Authors Association, Aurora | Aurora |
| Children's Services Council of Kawartha Lakes / Haliburton | Kawartha Lakes |
| CIM Chartered Managers Canada, Head Office, Canadian Institute of Management | Barrie |
| College of Audiologists and Speech Language Pathologists of Ontario | Toronto Downtown North |
| College of Early Childhood Educators | Toronto |
| College of Physicians and Surgeons of Ontario | Toronto Downtown Central |
| College of Psychologists of Ontario (The) | Toronto Downtown North |
| College of Registered Psychotherapists of Ontario | Toronto Downtown |
| Collingwood Downtown Business Improvement Area | Collingwood |
| Community Care Northumberland, Hamilton Township, Hospice Services | Cobourg |
| Community Living Hanover and Area | Hanover |
| Community Living Kincardine and District | Kincardine |
| Community Living Meaford | Meaford |
| Community Living North Perth | North Perth |
| Community Living Owen Sound and District, Owen Sound - 4th Ave East | Owen Sound |
| Community Living South Huron | |
| Community Living St Marys and Area, St Marys and Area | St Marys |
| Community Living Stratford and Area | Stratford |
| Community Living Walkerton and District | Brockton |
| Couchiching Ontario Health Team | Orillia |
| Crosspoint Business Ministry Connections | Barrie |
| Dietitians of Canada | Toronto Downtown Central |
| Down Syndrome Association of Peterborough, Lansdowne St W, Recreational and Social Programs | Peterborough |
| Down Syndrome Association of Peterborough, Lansdowne St W, Wee Ups & Downs | Peterborough |
| Downtown Barrie BIA, Barrie | Barrie |
| Dufferin Child and Family Services | Orangeville |
| Dungannon Agricultural Society | Ashfield-Colborne-Wawanosh |
| Easter Seals Ontario, Barrie-Simcoe County Office | Barrie |
| Ecological Farmers Association of Ontario | Guelph |
| Elgin Middlesex District Soccer League, Wingham Minor Soccer Association | North Huron |
| Epilepsy Ontario [Central East], Peterborough, Epilepsy Peterborough & Area | Peterborough |
| Essa and District Agricultural Society, Essa Agriplex | Essa |
| Foley Agricultural Society, Foley Agricultural Society and Thrift Store | Seguin |
| Georgian Bay Football Officials Association | Barrie |
| Georgian Triangle Development Institute, Collingwood - Mailing Address | Collingwood |
| Goderich Minor Baseball Association | Goderich |
| Goderich Ringette Association | Goderich |
| Grey County Economic Development - Local Food | Owen Sound |
| Grey-Bruce Ontario Health Team | Owen Sound |
| Haliburton Highlands Health Services, Community Support Services Division - Palliative Care Community Team, Haliburton - 7185 Gelert Road | Haliburton |
| Howick Agricultural Society | Howick |
| Howick Hornets Athletic Association, Howick Athletic Association | Howick |
| Human Resources Professionals Association, Barrie and District Chapter | Barrie |
| Huron Central Agricultural Society | Central Huron |
| Huron Perth Association of REALTORS® | Stratford |
| Insurance Bureau of Canada, Ontario Head Office, Consumer Information Centre | Toronto |
| International Brotherhood of Electrical Workers, Barrie Office, Local 353 | Barrie |
| International Union of Operating Engineers, No Physical Address, Local 793 | Barrie |
| Jersey Club - Perth Huron, No Physical Address | Milverton |
| Kirkton Agricultural Society, Kirkton Fall Fair | West Perth |
| Lakelands Association of REALTORS®, The | Huntsville |
| L'Arche Stratford | Stratford |
| Listowel Agricultural Society | North Perth |
| Listowel Minor Baseball Association | North Perth |
| Listowel Minor Hockey Association | North Perth |
| Meaford Business Improvement Association | Meaford |
| Milverton Agricultural Society, Milverton Agri Centre | Perth East |
| Minor Hockey Alliance of Ontario | Stratford |
| Mitchell & District Agricultural Society | West Perth |
| Mitchell Minor Sports | West Perth |
| North Simcoe Muskoka and District Labour Council | Orillia |
| North Simcoe Muskoka Hospice Palliative Care Network, Orillia, Education and Palliative Pain and Symptom Management Consultations | Orillia |
| North Simcoe Ontario Health Team | Midland |
| Ontario Association of Orthodontists | Toronto Downtown |
| Ontario Canola Growers' Association | Grey Highlands |
| Ontario Dental Association | Toronto Downtown North |
| Ontario English Catholic Teachers Association. Simcoe Muskoka Unit | Barrie |
| Ontario Federation for Cerebral Palsy | North York Central |
| Ontario Federation of Agriculture | Guelph |
| Ontario Federation of Teaching Parents | Ontario |
| Ontario Museum Association | Toronto Downtown |
| Ontario Nurses' Association, Orillia, Regional Office | Orillia |
| Ontario Registered Music Teachers Association, Barrie Branch, No Physical Address | Barrie |
| Ontario Secondary School Teachers' Federation, Barrie, Simcoe County District 17 | Barrie |
| Ontario Woodlot Association, Huron Perth Chapter | Stratford |
| Ontario. Ministry of Agriculture, Food and Agribusiness, Lindsay Resource Centre | Kawartha Lakes |
| Orillia and District Agricultural Society, Severn | Severn |
| Orillia Fine Arts Association | Orillia |
| Orillia Law Association | Orillia |
| Oro Agricultural Society | Oro-Medonte |
| Owen Sound River District Board of Management | Owen Sound |
| Perth County Holstein Club | Stratford |
| Perth County Plowmen's Association | Stratford |
| Perth-Huron Builders Association, Mailing Address | Stratford |
| Peterborough Downtown Business Improvement Area | Peterborough |
| Purple Hills Arts & Heritage Society, Station on the Green | Clearview (Simcoe County) |
| Ramara Township, Brechin - 2297 Hwy 12, Ramara Chamber of Commerce | Brechin |
| REACH Huron | Central Huron |
| Registered Insurance Brokers of Ontario | Toronto Downtown |
| Registered Nurses Association of Ontario, South Simcoe Chapter | Toronto |
| Seaforth Agricultural Society | Huron East |
| Sebringville Athletic Association | Perth East |
| SEIU Healthcare | Barrie |
| Shakespeare & Community Athletic Association, Mailing Address | Perth East |
| Simcoe County Elementary Teachers' Federation | Barrie |
| Simcoe County Federation of Agriculture, Simcoe County Administration Building | Springwater |
| Simcoe County Home Builders' Association | Barrie |
| Simcoe County Law Association, Barrie | Barrie |
| Simcoe County Young Professionals Association | Barrie |
| Small Business Connect, No Physical Address | Barrie |
| Soil and Crop Improvement Association, Mailing Address Only - Perth County | Perth County |
| South East Grey Support Services | Grey Highlands |
| South Georgian Bay Ontario Health Team | Collingwood |
| Special Olympics Ontario - Central Ontario | Ontario |
| St Marys Minor Ball Association, Mailing Address | St Marys |
| Stratford & District Agricultural Society, Burnside Agriplex | Stratford |
| Stratford and District Labour Council | Stratford |
| Stratford Basketball Association, Mailing Address Only | Stratford |
| Stratford Children's Services | Stratford |
| Stratford Minor Baseball Association | Stratford |
| Stratford Minor Girls Hockey Association, Mailing Address Only | Stratford |
| Stratford Minor Hockey Association, Mailing Address Only | Stratford |
| Stratford Musicians' Association, American Federation of Musicians Local 418 | St Marys |
| Stratford Perth Centre for Business | Stratford |
| Stratford Skills Series, No Physical Address | Stratford |
| Thornbury Builders and Trades Association, Mailing Address | Blue Mountains |
| Thornbury Business Improvement Area | Thornbury |
| Tourism Simcoe County, No Physical Address, Simcoe County Farm Fresh | Simcoe |
| United Association for Plumbers, Steamfitters and Welders, Barrie Office, Local 46 | Barrie |
| Universal Workers Union, Barrie Office, Local 183 of Laborers International Union of North America | Barrie |
| Vision Loss Rehabilitation Ontario, Peterborough, Vision Loss Rehabilitation Ontario, Peterborough | Peterborough |
| Volunteer Coordinators Network of South Georgian Bay, Collingwood | Collingwood |
| Wasaga Beach Business Association, No Physical Address | Wasaga Beach |
| Wasaga Beach Women's Business Association, No Physical Address | Wasaga Beach |
| Western Ontario Athletic Association | North Huron |
| Wingham Minor Hockey Association | North Huron |
| Zurich Minor Athletic Association | Bluewater |