| Business | Phone |
| Girls Guides Of Canada Area 392 Park Ave E, Chatham N7M 5Y5 | (519) 352-1110 |
| Lung Association 143 Wellington St W #114, Chatham N7M 1J5 | (519) 352-3790 |
| Ontario Seed Corn Mkting Brd 825 Park Ave W, Chatham N7M 5J6 | (519) 352-6710 |
| Ontario Soybean Growers' 180 Riverview Dr, Chatham N7M 5Z8 | (519) 352-7730 |
| Portuguese Canadian Social 346 Grand Ave E, Chatham N7L 1W6 | (519) 436-0040 |
| Royal Canadian Legion Branch 39 William St N, Chatham N7M 4L3 | (519) 436-9882 |
| Brain Injury Assn Chatham-Kent 463 St Clair St #3b, Chatham N7L 3K6 | (519) 351-0297 |
| Canadian Cancer Society 188 St Clair St, Chatham N7L 3J6 | (519) 352-3960 |
| Canadian Hockey Inline 132 Queen St, Chatham N7M 2G6 | (519) 354-1881 |
| Canadian Red Cross Society 240 Grand Ave W #102, Chatham N7L 1C1 | (519) 352-4116 |
| Chatham-Kent Booster Club 285 Mcnaughton Ave E, Chatham N7L 2G7 | (519) 351-8849 |
| Chatham Police Assn 24 Third St, Chatham | (519) 436-6279 |
| Chatham Ringette Assoc Po Box 492 Stn Main, Chatham N7M 5K6 | (519) 351-9693 |
| Chatham Builder's Exchange 131 Queen St, Chatham N7M 2G7 | (519) 352-4790 |
| Chatham & Dist Chamber Of Comm 235 King St W, Chatham N7M 1E6 | (519) 352-7540 |
| Christian Horizons 17 Gregory Dr E, Chatham N7L 2R2 | (519) 354-8907 |
| Downtown Chatham Bus Assn 315 King St W, Chatham N7M 1E8 | (519) 354-5196 |