| Business | Phone |
| Board Of Public Utilities 2 Gateway Ctr # 8, Newark 7102 | (973) 648-2026 |
| Electrical Contractors Board 124 Halsey St # 6, Newark 7102 | (973) 504-6410 |
| Public Utilities-Telecomms Div 2 Gateway Ctr # 8, Newark 7102 | (973) 648-2794 |
| Public Utilities-Water & Sewer 2 Gateway Ctr, Newark 7102 | (973) 648-2275 |