| Business | Phone |
| Canal Electric Co 7 Pezzullo St, Johnston 2919 | (401) 946-4100 |
| Voyager Electric 1465 Atwood Ave, Johnston 2919 | (401) 228-8150 |
| Guaranteed Electric 1465 Atwood Ave # 2, Johnston 2919 | (401) 349-0707 |
| Johnston Electric Inc 491 Central Ave, Johnston 2919 | (401) 647-3189 |
| Mallozzi Electric 339 George Waterman Rd, Johnston 2919 | (401) 231-7360 |
| Morra Electric Co 95 Railroad Ave, Johnston 2919 | (401) 232-3585 |
| Ngb Electric 40 N K St, Johnston 2919 | (401) 949-3490 |
| Nicholas Electric & Controls 28 Calumet St, Johnston 2919 | (401) 331-9955 |