| Business | Phone |
| John Cifelli Elec Contr Inc 820 State Rd, Princeton 8540 | (609) 921-3238 |
| Kdl Electric Co 1200 Stuart Rd, Princeton 8540 | (609) 683-9525 |
| L & I Electric Princeton 8540 | (609) 921-1885 |
| Princeton Electric Princeton 8540 | (609) 921-6310 |
| Tom L Wells Electrical Contr 479 Jefferson Rd, Princeton 8540 | (609) 924-9680 |
| George Johnson & Son 69 Wiggins St, Princeton 8540 | (609) 921-9288 |
| Gold Medal Electrical Contr Princeton 8540 | (609) 921-8119 |
| Di Mont Electric Co Princeton 8540 | (609) 683-4320 |
| Acs Electrical Communication Princeton 8540 | (609) 921-8230 |
| Alexander Plumbing & Htg Co 743 Alexander Rd # 10, Princeton 8540 | (609) 987-2424 |
| Blaine Brothers Electric Inc Princeton 8540 | (609) 497-1131 |
| Candelori Electric Princeton 8540 | (609) 585-0545 |
| Coco Electric 239 Nassau St, Princeton 8540 | (609) 921-6799 |