| Business | Phone |
| Nitro Community Ctr Inc 302 21st St, Nitro 25143 | (304) 755-0619 |
| Nitro City Accounts Payable 20th St & 2nd Aveamp;, Nitro 25143 | (304) 755-0702 |
| Nitro City Municipal Svc 20th St & 2nd Aveamp;, Nitro 25143 | (304) 755-0703 |
| Nitro Community Svc 61 31st St E, Nitro 25143 | (304) 755-2280 |
| Nitro Recorder's Office 20th St & 2nd Aveamp;, Nitro 25143 | (304) 755-0707 |
| Nitro Waste Treatment Plant 2nd Ave & 20th Stamp;, Nitro 25143 | (304) 755-7707 |