| Business | Phone |
| West Electric 172 Beal Rd, Waltham 2453 | (781) 893-5511 |
| Wheaton Electrical Svc Inc 47 Athletic Field Rd, Waltham 2451 | (781) 899-7710 |
| Aaron Electric Co Inc Waltham 2453 | (781) 891-0500 |
| Alfeo Electrical Co 85 Orange St, Waltham 2453 | (781) 894-4545 |
| V A Electric Co Waltham 2453 | (781) 891-7979 |
| W H Hughes Inc 100 Clematis Ave, Waltham 2453 | (781) 891-5500 |
| Todd Berozsky Waltham 2453 | (617) 212-8598 |
| Thomas Le Blanc & Sons Llp 144 Summer St, Waltham 2452 | (781) 893-5379 |
| Sweet Electric 87 Bruce Rd, Waltham 2453 | (781) 893-4931 |
| New England Electrical Co 57 1/2 Walnut St, Waltham 2453 | (781) 899-7438 |
| Monaghan Electric 106 Rose Hill Way, Waltham 2453 | (781) 647-5369 |
| Fazio Electric 51 Bright St, Waltham 2453 | (781) 893-7915 |
| Foti Electric 104 Pine St, Waltham 2453 | (781) 891-4119 |
| Gallinelli Electric Inc 240 Newton St, Waltham 2453 | (781) 209-1353 |
| C & C Electric Co Waltham 2453 | (781) 647-2464 |
| Giles Electric Co 96 Wetherbee Rd, Waltham 2453 | (781) 893-3296 |
| C R Bagnall Electrician 51 Leslie Rd, Waltham 2451 | (781) 890-3010 |
| Martin Electric 738 Main St, Waltham 2451 | (781) 891-3030 |
| Caron Electric Co Waltham 2453 | (781) 862-6784 |
| Brian Coates Waltham 2453 | (781) 647-9989 |
| Republic Electric 200 Newton St, Waltham 2453 | (781) 647-8897 |
| Rcs Inc 89 Alder St, Waltham 2453 | (781) 736-1800 |
| Curtin Electric 133 Virginia Rd, Waltham 2453 | (781) 899-8733 |
| Pat Patuto & Son 411 Waverley Oaks Rd # 149, Waltham 2452 | (781) 894-4192 |
| D& T Electric 29 Seminole Ave, Waltham 2451 | (781) 736-0022 |
| P W Di Masi Electrical Contr 33 Rich St, Waltham 2451 | (781) 891-9786 |
| Panaggio Electric Co 400 Newton St, Waltham 2453 | (781) 647-4369 |
| Nick's Electrical Svc Waltham 2453 | (781) 642-8307 |
| Norman E Kenney Co 49 Cedar St, Waltham 2453 | (781) 894-7184 |
| Lennon Electric 67 South St, Waltham 2453 | (781) 891-9206 |
| Joseph Stadelmann Electrical 175 Wyman St, Waltham 2451 | (781) 890-7170 |