| Business | Phone |
| Hardeman Water District 25 State Route 131, Mayfield 42066 | (270) 247-2222 |
| Hickory Water District 1511 Paducah Rd, Mayfield 42066 | (270) 247-6481 |
| Mayfield Electric & Water Syst 301 E Broadway St, Mayfield 42066 | (270) 247-4661 |
| Mayfield Electric & Water Syst 411 S 12th St, Mayfield 42066 | (270) 247-3531 |
| South Graves County Water Dist 301 E Broadway St, Mayfield 42066 | (270) 376-5552 |