| Business | Phone |
| Aqua Missouri 319 Madison St, Jefferson City 65101 | (573) 634-2699 |
| Barr Engineering 3236 Emerald Ln, Jefferson City 65109 | (573) 636-5331 |
| Bartlett & West Engineers Inc 600 Monroe St # 100, Jefferson City 65101 | (573) 634-3181 |
| Bradford Engineering Svc 300 Romar Pl # B, Jefferson City 65101 | (573) 761-3002 |
| Engineering Surveys & Svc 802 El Dorado Dr, Jefferson City 65101 | (573) 636-3303 |
| Hiatte Engineering Consultant 1221 Jefferson St, Jefferson City 65109 | (573) 636-5340 |
| Lewis-Bade Inc 2007 Sylvan Hills Ct, Jefferson City 65109 | (573) 761-5355 |
| S & V Consultants Inc 2015 Schotthill Woods Dr, Jefferson City 65101 | (573) 634-3551 |
| Phillip J Lampert Consulting 3118 Emerald Ln, Jefferson City 65109 | (573) 635-8445 |
| Modern Energy Concepts Inc 1901 Whitney Woods Dr, Jefferson City 65101 | (573) 761-3946 |
| Muldoon Engineering Jefferson City 65109 | (573) 584-9300 |
| Meco Engineering Co 308 E High St # 201, Jefferson City 65101 | (573) 893-5558 |