| Business | Phone |
| Hastings Process Systems Inc 86 Ringwood Dr, Stouffville L4A 1C3 | (905) 642-3388 |
| Hoover Erie Electric 82 Sandiford Dr, Stouffville L4A 7X5 | (905) 640-3431 |
| J Bertrand Electric Ltd 5142 Bethesda Rd, Stouffville L4A 7X5 | (905) 642-3380 |
| Modern Electrical Const Svc Po Box 1386 Stn Main, Stouffville L4A 8A3 | (905) 642-6942 |
| Bob Mc Neil Electric 99 Edward St, Stouffville L4A 1A8 | (905) 640-1642 |
| Brian Blenkhorn Electric Ltd 138 Sandiford Dr #4, Stouffville L4A 7X5 | (905) 642-8000 |
| Diversifield Electro-Tech Svc 100 Ringwood Dr #5, Stouffville L4A 1A9 | (905) 640-3541 |
| Falstaff Electrical Svc Ltd 14001 Durham Rd 30, Stouffville L4A 7X4 | (905) 642-7020 |