| Business | Phone |
| Baxter Engineering 223 Coleman St, Belleville K8P 3H8 | (613) 966-7155 |
| Taskforce Engineering Inc 19 Newberry St, Belleville K8N 3N2 | (613) 966-5600 |
| Van Meer Ltd 14 Bridge St W, Belleville K8P 1H7 | (613) 969-0171 |
| G D Jewell Engineering Inc 5503 Hwy 62, Belleville K8N 4Z7 | (613) 969-1111 |