| Business | Phone |
| Robinson Stafford & Rude Inc 3100 S Crenshaw Rd, Independence 64057 | (816) 220-1105 |
| Custom Engineering Inc 12760 E Us Highway 40, Independence 64055 | (816) 350-1473 |
| E-Lab Digital Engineering 1600 N 291 Hwy, Independence 64058 | (816) 257-9954 |
| Engineering Perspective Inc 2601 N Hub Dr, Independence 64055 | (816) 836-9638 |
| Frymire Mahoney Sallee Engnrs 12401 E 43rd St S # 101, Independence 64055 | (816) 350-9700 |
| Mc Manaman Electrical Design Independence 64050 | (816) 833-3375 |
| Latta Technical Svc 411 W Maple Ave, Independence 64050 | (816) 252-3494 |