| Business | Phone |
| Harmony-King Co-Op Homes Inc 20 Harmony Rd N, Oshawa L1G 7X7 | (905) 723-2054 |
| Housing Access Ctr 2 Simcoe St S #4, Oshawa L1H 8C1 | (905) 434-5015 |
| Maple Glen Housing Co-Opertive 777 Wilson Rd N #40, Oshawa L1G 6G1 | (905) 436-6260 |
| Young Women's Christian Assn 55 Mcgrigor St, Oshawa L1H 1X8 | (905) 728-5227 |
| Cornerstone Community Assoc 133 Simcoe St S, Oshawa L1H 4G8 | (905) 433-0254 |
| Durham Region Non-Profit Corp 28 Albert St #A, Oshawa L1H 8S5 | (905) 436-6610 |
| Durham Regional Local Housing 2 Simcoe St S #200, Oshawa L1H 8C1 | (905) 434-5011 |