| Business | Phone |
| Abfield Electric Co Ltd Rr 5 Stn Main, Bolton L7E 5S1 | (905) 857-1722 |
| Panson Electric 12612 Highway 50, Bolton L7E 1T6 | (905) 951-6112 |
| Ra-Tech Electrical Svc 10 Loring Dr #11, Bolton L7E 1J9 | (905) 857-4212 |
| Skyline Electric 7844 King St, Bolton L7E 5S1 | (905) 857-2879 |
| T A Jones Electric Ltd Rr 1 Stn Main, Bolton L7E 5R7 | (905) 880-2667 |
| Trax Electrical 93 De Rose Ave, Bolton L7E 1A6 | (905) 857-4156 |
| Tybrad Electric Ltd 22 Royal Terrace Cres, Bolton L7E 1N9 | (905) 857-1797 |
| Walter & Sons Electric 41 Boltonview Cres, Bolton L7E 2H2 | (905) 951-7969 |
| Bolton Electric Co Inc 50 Ann St, Bolton L7E 1B9 | (905) 951-3333 |
| Budge Electric 18 King St E, Bolton L7E 1E8 | (905) 857-3827 |
| Dte Electric Inc 6 Grapevine Rd, Bolton L7E 2L2 | (905) 857-1763 |
| Electrical Services 4 Bond St, Bolton L7E 3J1 | (905) 857-1677 |