| Business | Phone |
| Anderson & Assoc 1511 Watts Dr, Rolla 65401 | (573) 364-8900 |
| Barker Lemar Engineering 2077 Old Saint James Rd # D, Rolla 65401 | (573) 426-4006 |
| C M Archer Group 1051 Kingshighway St, Rolla 65401 | (573) 265-0190 |
| Henderson Construction Llc 568 Basswood Dr, Rolla 65401 | (573) 426-4990 |
| Howard R Green Co 211 S Us Highway 63, Rolla 65401 | (573) 364-4003 |
| Hydro-Engineers 730 Oak Knoll Rd, Rolla 65401 | (573) 364-0980 |
| Integrity Engineering Inc 1714 E 10th St, Rolla 65401 | (573) 341-2100 |
| Wilson Hydro 112 W 8th St, Rolla 65401 | (573) 341-9487 |