| Business | Phone |
| Adra Canada 115 Clarence Biesenthal Dr, Oshawa L1K 2H5 | (905) 433-8004 |
| Nuclear Awareness Project 26 1/2 King St E, Oshawa L1H 1A9 | (905) 852-0571 |
| Assn Canadienne-Francaise-L'On 707 Simcoe St S, Oshawa L1H 4K5 | (905) 571-0826 |
| Girl Guides Of Canada 121 Simcoe St S, Oshawa L1H 4G7 | (905) 723-2442 |
| Human Resources Pros Of Durham 74 Simcoe St S #301, Oshawa L1H 4G6 | (905) 721-9564 |
| Ibew Local 1590 611 Galahad Dr #27, Oshawa L1K 1M1 | (905) 404-1420 |
| Canadian Red Cross Society 585 Wentworth St E #40, Oshawa L1H 3V8 | (905) 723-2933 |
| Downtown Oshawa Board Of Mgmt 14 1/2 King St E, Oshawa L1H 1A9 | (905) 576-7606 |
| Lake Vista Park Assoc Emerald, Oshawa | (905) 576-5241 |
| North Oshawa Neighbourhood 1139 Mary St N, Oshawa L1G 5G9 | (905) 721-0816 |
| Ontario Regiment Museum Ferret 1000 Stevenson Rd N, Oshawa L1J 5P5 | (905) 728-6199 |
| Oshawa-Durham Home Builders 100 Luke St, Oshawa L1G 7G4 | (905) 579-8080 |
| Oshawa Clarington Assoc/Comm 39 Wellington Ave E, Oshawa L1H 3Y1 | (905) 576-3011 |
| Port Perry & District Minor 57 Water, Oshawa | (905) 985-7008 |
| Scouts Canada-White Pine Rgn 275 Conlin Rd E, Oshawa L1H 7K5 | (905) 571-1346 |
| Royal Canadian Legion 471 Simcoe St S, Oshawa L1H 4J7 | (905) 723-9211 |
| Royal Canadian Legion Br 637 1251 Simcoe St N #10, Oshawa L1G 4X1 | (905) 404-1992 |
| Scouts Canada 1711 Simcoe St N, Oshawa L1G 4Y1 | (905) 725-4734 |
| Ukrainian Senior Citizen Club 638 Merritt St, Oshawa L1H 4W4 | (905) 576-3748 |
| Ymca Of Durham Region 99 Mary St N, Oshawa L1G 8C1 | (905) 438-9622 |
| Canadian Cancer Society 172 King St E #302, Oshawa L1H 1B7 | (905) 725-1166 |
| Canadian Society Of Nutrition 57 Simcoe St S #2g, Oshawa L1H 4G4 | (905) 436-0145 |
| Club Canadian-Francais 707 Simcoe St S, Oshawa L1H 4K5 | (905) 725-9410 |
| Comra Marine Resuce Assn 1615 Simcoe St S, Oshawa L1H 8J7 | (905) 720-3649 |
| Comra 1615 Simcoe St S, Oshawa L1H 8J7 | (905) 576-0440 |
| Connaught Park Clubhouse 449 Jarvis St, Oshawa L1G 5L4 | (905) 433-1143 |
| Conseil Des Organismes 707 Simcoe St S, Oshawa L1H 4K5 | (905) 434-7676 |
| Durham Region Mfr Assoc 74 Simcoe St S, Oshawa L1H 4G6 | (905) 434-1412 |
| Durham Family Mediation & Info 33 King St E, Oshawa L1H 1B2 | (905) 579-1988 |
| Friends Of The Second Marsh 1908 Colonel Sam Dr, Oshawa L1H 8P7 | (905) 723-5047 |
| Gemini Gymnastics 1000 Stevenson Rd N, Oshawa L1J 5P5 | (905) 576-2164 |