| Business | Phone |
| Advantage Professional Svc Inc 5051 S National Ave # 4-110, Springfield 65810 | (417) 831-9700 |
| Anderson Engineering Inc 2045 W Woodland St, Springfield 65807 | (417) 866-2741 |
| Archer Engineers 255 S Union Ave, Springfield 65802 | (417) 865-4083 |
| Aris Engineering 2638 E Wildwood Rd, Springfield 65804 | (417) 886-7977 |
| B & A Engineering Consultants 2441 S Forrest Heights Ave # B, Springfield 65809 | (417) 886-3464 |
| Bockman Engineering Svc 2015 W Woodland St, Springfield 65807 | (417) 877-0611 |
| Chatman Associates 777 E Battlefield St # 102b, Springfield 65807 | (417) 882-2888 |
| D 3 Technical Svc 1313 N Nias Ave # C, Springfield 65802 | (417) 831-7171 |
| E W Keith & Assoc 1831 W Winchester Rd, Springfield 65807 | (417) 887-0927 |
| Esc Inc 1922 N Broadway Ave, Springfield 65803 | (417) 831-5500 |
| Godwin & Assoc 1200 E Woodhurst Dr, Springfield 65804 | (417) 887-2667 |
| John Gordon 1329 E Republic Rd, Springfield 65804 | (417) 883-4736 |
| Great River Engineering 2826 S Ingram Mill Rd, Springfield 65804 | (417) 886-7171 |
| Harrington & Cortelyou Inc 300 S Jefferson Ave # 205, Springfield 65806 | (417) 863-9989 |
| Hei Heithaus Eng 535 W Battlefield St, Springfield 65807 | (417) 887-3238 |
| Heideman Associates 2160 W Chesterfield Blvd #F200, Springfield 65807 | (417) 881-8110 |
| Information Age Process Auto 1616 E Republic Rd, Springfield 65804 | (417) 887-0161 |
| La Rose-Shober 1927 S National Ave # B, Springfield 65804 | (417) 881-1586 |
| Land Development Strategies 1730 E Republic Rd # K, Springfield 65804 | (417) 881-9888 |
| Ledbetter Toth & Assoc Inc 2200 E Sunshine St, Springfield 65804 | (417) 883-7918 |
| Malone Finkle Eckhardt Collins 2040 E Sunshine St, Springfield 65804 | (417) 823-4847 |
| Mathews & Assoc Inc 1631 W Elfindale St, Springfield 65807 | (417) 869-6009 |
| Wells & Scaletty 303 E Battlefield St, Springfield 65807 | (417) 890-7711 |
| Westinghouse Engineering Svc 2925 E Chestnut Expy # K, Springfield 65802 | (417) 869-2772 |
| Utility Management Consultants 1736 E Sunshine St # 701, Springfield 65804 | (417) 881-3333 |
| Vandersluis Engineering 1704 E Saint Louis St, Springfield 65802 | (417) 869-4141 |
| Tate Engineering Consultants 4054 W Page Pl, Springfield 65802 | (417) 862-5684 |
| Toth & Assoc Inc 1949 E Sunshine St, Springfield 65804 | (417) 888-0645 |
| Silverhill Co 1330 E Cherry St, Springfield 65802 | (417) 863-7551 |
| Smith-Goth Engineers Inc 3855 S Jefferson Ave, Springfield 65807 | (417) 882-2200 |
| Schauer Group 2232 S Celebration Ave, Springfield 65809 | (417) 889-8863 |
| Scott Consulting Engineers 550 E Saint Louis St, Springfield 65806 | (417) 866-8644 |
| Phillips Engineering 426 S Jefferson Ave # 201, Springfield 65806 | (417) 862-5000 |
| Phoenix Management Assoc 3050 S National Ave, Springfield 65804 | (417) 881-2528 |
| Midwest Environmental Consult 1949 E Sunshine St # 2-115, Springfield 65804 | (417) 886-9200 |
| Mettemeyer Engineering Llc 305 E Walnut St, Springfield 65806 | (417) 863-0037 |