| Business | Phone |
| Fulmont County Weatherization 20 Park St, Fonda 12068 | (518) 853-8394 |
| Montgomery Board Of Elections Railroad St, Fonda 12068 | (518) 853-8180 |
| Montgomery Cnty Indigent Dfns 20 Park St, Fonda 12068 | (518) 853-8305 |
| Montgomery Cnty Support Cllctn Broadway, Fonda 12068 | (518) 853-8287 |
| Montgomery County Addressing Fonda 12068 | (518) 853-5565 |
| Montgomery County Comm-Jurors Court St, Fonda 12068 | (518) 853-8150 |
| Montgomery County Data Process 20 Park St, Fonda 12068 | (518) 853-8163 |
| Montgomery County Officials Park St, Fonda 12068 | (518) 853-3431 |
| Montgomery County Personnel 20 Park St, Fonda 12068 | (518) 853-8368 |
| Montgomery County Planning 20 Park St, Fonda 12068 | (518) 853-8155 |
| Montgomery County Purchasing 20 Park St, Fonda 12068 | (518) 853-3351 |
| Montgomery County Supreme Ct Court St, Fonda 12068 | (518) 853-4432 |
| Montgomery County Surrogate Ct 58 Broadway, Fonda 12068 | (518) 853-8108 |
| Montgomery Data Processing 20 Park St, Fonda 12068 | (518) 853-4214 |
| Montgomery History & Archives Park St, Fonda 12068 | (518) 853-8186 |
| Montgomery Personnel Office 20 Park St, Fonda 12068 | (518) 853-3755 |
| Montgomery Physically Hndcpd 20 Park St, Fonda 12068 | (518) 853-3323 |
| Montgomery Treasurer's Office 20 Park St, Fonda 12068 | (518) 853-8175 |
| Montgomery Veteran's Svc 20 Park St, Fonda 12068 | (518) 853-8152 |
| Montgomery Worker's Comp 20 Park St, Fonda 12068 | (518) 853-8213 |
| Youth/Acsd 20 Park St, Fonda 12068 | (518) 853-4355 |