| Business | Phone |
| B B & T 2 Vinson St, Williamson 25661 | (304) 235-1544 |
| Bank Of Mingo 70 W 4th Ave, Williamson 25661 | (304) 235-5700 |
| Community Bank & Trust 101 E 2nd Ave, Williamson 25661 | (304) 235-5454 |
| First National Bank-Md 88 E 4th Ave, Williamson 25661 | (304) 235-1920 |
| First National Bank-Williamson 68 E 2nd Ave, Williamson 25661 | (304) 235-5300 |