| Business | Phone |
| Terracon Consultants Inc 1815 S Eisenhower St, Wichita 67209 | (316) 262-0171 |
| Terracon Environmental Inc 1815 S Eisenhower St, Wichita 67209 | (316) 262-0281 |
| Shaw Environmental/Infrstrctr 1950 S Florence St, Wichita 67209 | (316) 943-3444 |
| Geotechnical Services 4503 E 47th St S, Wichita 67210 | (316) 554-0725 |