| Business | Phone |
| A Plus Electrical 72 Salisbury Rd, Belleville K8N 4Z7 | (613) 966-0605 |
| A Plus Electrical Rr 7 Stn Main, Belleville K8N 4Z7 | (613) 969-5303 |
| Horlock Electric 211 Haig Rd, Belleville K8N 4P5 | (613) 968-9012 |
| Horwood Electrical Svc 304 Dundas St E, Belleville K8N 1E6 | (613) 966-1264 |
| Ijk Project Management Svc 57 O'Hare St, Belleville K8P 4R9 | (613) 966-9067 |
| Industrial Electrical Contrs 32 Albion St, Belleville K8N 3R8 | (613) 962-2642 |
| Kjs Electric 12 Wilkins St, Belleville K8P 1P1 | (613) 969-0820 |
| L Labelle Electric Ltd 316 Bleecker Ave, Belleville K8N 3V4 | (613) 968-4493 |
| Lyle Paquette Electric Ltd 60 Dundas St E, Belleville K8N 1B8 | (613) 968-4300 |
| Parallel Electric 34 Brimley Crt, Belleville K8N 5L5 | (613) 966-1354 |
| Preston Electrical Mechanical 100 Stanley St, Belleville K8N 4A1 | (613) 967-0162 |
| Stewart Belleville Electric Rr 5 Stn Main, Belleville K8N 4Z5 | (613) 966-1493 |
| Tal Trees Inc 102 Parks Dr, Belleville K8N 4Z5 | (613) 968-9648 |
| D C Electric Ltd 53 Tracey St, Belleville K8P 2R7 | (613) 962-5832 |
| Electro Systems 162 Farley Ave, Belleville K8N 4L2 | (613) 969-0045 |
| Digital Electric Inc 155 North Front St, Belleville K8P 3B7 | (613) 968-2756 |
| Emsco Ltd 57 Cannifton Rd, Belleville K8N 4V1 | (613) 966-3235 |
| Finkle Electric Ltd 334 Pinnacle St, Belleville K8N 3B4 | (613) 962-5331 |
| Fred Middleton Electrical 1299 Casey Rd, Belleville K8N 4Z6 | (613) 962-3370 |