Federal Government Departments
| Canada Border Services Agency | (519) 451-9200 |
| Transport Canada District Airworthiness | (519) 452-4032 |
Other Businesses
| Aeroguard Eastern | (519) 659-1467 |
| AFS Aerial Photography | (519) 453-8999 |
| AV-Base Systems | (519) 691-0919 |
| Canadian Helicopters | (519) 453-0103 |
| Canmat Cargo Centre | (905) 676-4047 |
| Chandler Technologies | (519) 455-0528 |
| Golfland Golf Course | (519) 455-9402 |
| Hi-Tech Controls | (519) 659-2309 |
Hangars
| Av-Tech Services | (519) 659-2309 |
| Diamond Aircraft | (519) 457-4000 |
| Ellis Don/Timberjack | (519) 455-6770 |
| Evergreen Air Harbour | (519) 660-1042 |
| Executive Aviation (ESSO) | (519) 453-5370 |
| Forest City Hangars | (519) 432-1888 |
| Skydominium | (519) 432-1888 |
| Sport Aviation | (519) 433-3357 |
| Trillium Sport Aviation | (519) 663-2222 |
Associations
| Royal Canadian Air Force Association | (519) 455-0430 |