| Advocis, Simcoe-Muskoka Chapter | |
| Alliston Business Improvement Association | New Tecumseth |
| Association of Administrative Professionals, Barrie / Simcoe County Branch | Barrie |
| Barrie and District Association of Realtors | Barrie |
| Barrie Construction Association | Barrie |
| Business and Professional Women (BPW) Barrie | Barrie |
| Business Networking International. Georgian Triangle Chapter | Collingwood |
| Canadian Association of Farm Advisors | Stratford |
| Collingwood Downtown Business Improvement Area | Collingwood |
| Crosspoint Business Ministry Connections | Barrie |
| Downtown Barrie BIA, Barrie | Barrie |
| Georgian Triangle Development Institute, Collingwood - Mailing Address | Collingwood |
| Insurance Bureau of Canada, Consumer Information Centre | Toronto |
| Like Minded Entrepreneurs | Barrie |
| Ontario Woodlot Association, Huron Perth Chapter | Stratford |
| Owen Sound River District Board of Management | Owen Sound |
| Perth-Huron Builders Association, Mailing Address | Stratford |
| Peterborough Downtown Business Improvement Area | Peterborough |
| Ramara Township, Brechin - 2297 Hwy 12, Ramara Chamber of Commerce | Brechin |
| Simcoe County Home Builders' Association | Barrie |
| Simcoe County Young Professionals Association | Barrie |
| Small Business Connect, No Physical Address | Barrie |
| Stratford Perth Centre for Business | Stratford |
| Thornbury Business Improvement Area | Blue Mountains |
| Wasaga Beach Women's Business Association, No Physical Address | Wasaga Beach |
| Wasaga Business & Tourism Association, No Physical Address | Wasaga Beach |