| Alliston Business Improvement Association | New Tecumseth |
| Barrie Region Innovation Xchange, No Physical Address | Barrie |
| BNI Ontario Central North, Orillia | Orillia |
| Business and Professional Women (BPW) Barrie | Barrie |
| Business Network International. Georgian Triangle Chapter | Collingwood |
| Collingwood Downtown Business Improvement Area | Collingwood |
| Crosspoint Business Ministry Connections | Barrie |
| Downtown Barrie BIA, Barrie | Barrie |
| Downtown Huntsville BIA | Huntsville |
| Georgian Triangle Development Institute, Collingwood - Mailing Address | Collingwood |
| Meaford Business Improvement Association | Meaford |
| Midland and District Business Women's Association | Midland |
| Owen Sound River District Board of Management | Owen Sound |
| Peterborough Downtown Business Improvement Area | Peterborough |
| Simcoe County Young Professionals Association | Barrie |
| Small Business Connect, No Physical Address | Barrie |
| Stratford Perth Centre for Business | Stratford |
| Thornbury Business Improvement Area | Thornbury |
| Wasaga Beach Business Association, No Physical Address | Wasaga Beach |
| Wasaga Beach Women's Business Association, No Physical Address | Wasaga Beach |