| Business | Phone |
| Trenton District Energy Co 3rd St, Trenton 8611 | (609) 396-4822 |
| Trigen-Trenton Energy Co 200 S Warren St, Trenton 8608 | (609) 393-0570 |
| Urbana Energy 415 Greenwood Ave, Trenton 8609 | (609) 392-6230 |
| Y J Stinger Energy Drink 42 Hawk Rd, Trenton 8648 | (609) 989-0065 |
| Foster Wheeler Energy Corp 101 Lansing Ave, Trenton 8619 | (609) 584-1345 |
| Global Photonics Energy Corp 375 Phillips Blvd, Trenton 8618 | (609) 434-0002 |
| Alternate Energy Systems 777 W State St, Trenton 8618 | (609) 392-6675 |