| Business | Phone |
| Aqua Missouri 5400 Business 50 W, Jefferson City 65109 | (573) 893-1010 |
| Public Water Supply 1944 Vieth Dr, Jefferson City 65109 | (573) 635-7011 |
| Public Water Supply 205 Mid America Rd, Jefferson City 65109 | (573) 635-4742 |
| Public Water Supply 4346 Rainbow Dr, Jefferson City 65109 | (573) 893-2848 |
| Public Water Supply 7712 Route M, Jefferson City 65101 | (573) 395-4578 |
| Public Water Supply Dist 3 127 R T, Jefferson City 65109 | (573) 893-4262 |