| Business | Phone |
| Abc Electric Co 142 High St, Portland 4101 | (207) 775-0903 |
| Ami Telecommunications 179 Sheridan St, Portland 4101 | (207) 774-5829 |
| Floridino Electric Portland 4101 | (207) 772-3136 |
| Pete's Electric Svc 835 Ocean Ave, Portland 4103 | (207) 774-6507 |
| Peter L Doria Electric 135 Bolton St, Portland 4102 | (207) 775-0888 |
| Greg Gould Electric Inc 13 Pari Pl, Portland 4103 | (207) 797-2773 |
| Place Electric Inc 83 Bell St # B, Portland 4103 | (207) 797-9954 |
| B H Milliken Inc 175 Anderson St, Portland 4101 | (207) 879-1877 |
| J W Cassidy & Sons 21 Hodgins St, Portland 4103 | (207) 774-5478 |
| Keeley Electric Inc 1039 Riverside St, Portland 4103 | (207) 797-3772 |
| La Plante Electronics 7 Thompsons Pt # C, Portland 4102 | (207) 761-2446 |
| Scott Arnold Electric Inc 999 Forest Ave, Portland 4103 | (207) 797-7976 |
| Seacoast Electric Co 58 Fore St, Portland 4101 | (207) 774-6179 |
| Burleigh Electric 125 Presumpscot St, Portland 4103 | (207) 781-2495 |
| Burleigh Electric 45 Forest Ave, Portland 4101 | (207) 772-4747 |
| Lotfey Electric 22 Runnells St, Portland 4103 | (207) 773-3400 |
| Corey Electric 184 Read St, Portland 4103 | (207) 775-1380 |
| Milliken Brothers Inc 474 Riverside Ind Pkwy # 1, Portland 4103 | (207) 797-8375 |
| Dick Mc Duffie Electrician Po Box 6571, Portland 4102 | (207) 839-7048 |
| Eastern Electrical Corp 20 Bedford St, Portland 4101 | (207) 772-6762 |
| Electric M & R 49 Havertys Way, Portland 4103 | (207) 878-5864 |
| Electrician Ty Smith Portland 4101 | (207) 939-1319 |
| Emi Office 99 Wellington Rd, Portland 4103 | (207) 780-1919 |
| Everything Electric Co 115 Sherwood St, Portland 4103 | (207) 780-1500 |
| Fasulo Electric 110 Racine Ave, Portland 4103 | (207) 878-5200 |
| Town & Country Inc 180 Rand Rd, Portland 4102 | (207) 772-5257 |
| Walsh Electric Inc 1 Industrial Way, Portland 4103 | (207) 799-1775 |