| Business | Phone |
| Thomas P Koning Electric 82 Scribner Rd, Tyngsboro 1879 | (978) 692-2338 |
| Awt Mc Dowell Tyngsboro 1879 | (978) 649-3017 |
| B P & Logue Electrical Contrs 221 Dunstable Rd, Tyngsboro 1879 | (978) 251-4433 |
| Rfb Electrical 84 Westech Dr, Tyngsboro 1879 | (978) 649-4046 |
| Perry Electric 73 Scribner Rd, Tyngsboro 1879 | (978) 692-8747 |
| De Sousa Electric 11 Waterway Pl, Tyngsboro 1879 | (978) 649-9080 |