| Business | Phone |
| Bynum Fanyo Environmental Inc 528 N Walnut St, Bloomington 47404 | (812) 332-3791 |
| Earth Tech Inc 5010 N Stone Mill Rd, Bloomington 47408 | (812) 336-0972 |
| Fields Environmental Inc 220 E Wylie Rd, Bloomington 47408 | (812) 876-1333 |
| Hydrogeology Technologies Inc 220 N Rogers St, Bloomington 47404 | (812) 339-3557 |
| Kerr Environmental Svc Inc 5001 De Ann Dr, Bloomington 47404 | (812) 876-3300 |
| Pratter Environmental Svc 1615 Treadwell Ln, Bloomington 47408 | (812) 336-8477 |
| Psara Technology 2002 W Vernal Pike, Bloomington 47404 | (812) 335-0424 |
| Wittman Hydro Planning Assoc 320 W 8th St # 201, Bloomington 47404 | (812) 333-9399 |