| Business | Phone |
| Longfellow 20 Keefer Dr, Welland L3B 5N7 | (905) 732-2677 |
| Mario's Electric & Air Cond 86 Milkweed Trail, Welland L3C 7J3 | (905) 735-1294 |
| Niagara Electric Ltd 122 Afton Ave, Welland L3B 1V9 | (905) 732-6000 |
| Peninsula Electric 15 Brownleigh Ave, Welland L3B 5X3 | (905) 788-9050 |
| Procon Niagara 42 Clark St, Welland L3B 5W6 | (905) 732-0322 |
| Redway Electrical Contracting 400 First Ave, Welland L3C 5Z1 | (905) 734-3146 |
| Robert Burk & Son Electrical 27 Spencer St, Welland L3B 3W1 | (905) 732-5022 |
| Belle Electric 48 Clifford Ave, Welland L3C 2G1 | (905) 735-8246 |
| Star Electric Co 590 Cope Rd, Welland L3B 5N7 | (905) 735-5501 |
| Zavarella Electric 72 Walts St, Welland L3C 4J3 | (905) 735-3751 |
| Commercial Electric Ltd 488 East Main St, Welland L3B 3X6 | (905) 734-7471 |
| Eric Electric 36 Cozy St, Welland L3B 4G8 | (905) 735-6088 |