| Business | Phone |
| Union Data Processing 3111 E Main St, Endwell 13760 | (607) 786-2935 |
| Union Dog Control 3111 E Main St, Endwell 13760 | (607) 786-2940 |
| Union Engineering Dept 3111 E Main St, Endwell 13760 | (607) 786-2950 |
| Union Human Resources Dept 3111 E Main St, Endwell 13760 | (607) 786-2960 |
| Union Refuse & Recycling Dept 3111 E Main St, Endwell 13760 | (607) 786-2980 |
| Union Safety Dept 3111 E Main St, Endwell 13760 | (607) 786-2981 |
| Union Section 8 Rental Asstnc 3111 E Main St, Endwell 13760 | (607) 786-2985 |
| Union Sewer Dept 3111 E Main St, Endwell 13760 | (607) 786-2990 |
| Union Town Board 3111 E Main St, Endwell 13760 | (607) 786-2997 |
| Union Town Code Enforcement 3111 E Main St, Endwell 13760 | (607) 786-2920 |
| Union Town Supervisor 3111 E Main St, Endwell 13760 | (607) 786-2995 |