Name of Company | Contact | City | State | Phone |
| AEW Engineering, Inc. | Margaret A. Cieslik | Omaha | NE | 402-553-0982 |
| American Engineering Testing, Inc. | Brad Palmer | Pierre | SD | 605-224-9535 |
| Aquaterra Environmental Solutions, Inc | Mike Miller | Omaha | NE | 402-884-6202 |
| B.E.S.T., Inc. | J.W. Ennis | Lincoln | NE | 402-483-1069 |
| Castle Construction Company | Kimberly D. Tate | Columbus | NE | 402-564-5554 |
| DFW & Associates | D.F. Willsie | Lincoln | NE | 402-483-2868 |
| EA Engineering, Science & Technology | H. Lee Becker | Lincoln | NE | 402-476-3766 |
| ENSR Corporation | Wayne Lindsay | Ballwin | MO | |
| Environmental Professionals, Inc. | Paul Ziemba | Omaha | NE | 402-891-1112 |
| Environmental Solutions, Inc. | John Sempeck | Omaha | NE | 888-908-5700 |
| Evans Environmental Construction | Jeffrey Evans | Council Bluffs | IA | 712-366-5834 |
| General Excavating | Mike Stewart | Lincoln | NE | 402-467-1627 |
| Geotechnical Services, Inc. | Fred Jones | Grand Island | NE | 308-381-1987 |
| Geotechnical Services, Inc. | Mel Cerny | Lincoln | NE | 402-466-8154 |
| Geotechnical Services, Inc. | Brian Norton | Omaha | NE | 402-339-6104 |
| Global Environmental Services | Dennis Collins | Council Bluffs | IA | 712-328-1000 |
| Haz-Mat Response, Inc. | Jeff Donovan | Olathe | KS | 800-229-5252 |
| Hydro-Logic, Inc. | Marlene Dulaney | Eudora | KS | 785-542-2518 |
| Institute for Environmental Assessment | David Kluge | Ralston | NE | 402-339-6240 |
| John Prouty Construction, Inc. | John Prouty | O'Neill | NE | 402-336-4014 |
| Liehs Drilling | Wes Liehs | Lexington | NE | 308-324-2303 |
| MILCO Environmental Services, Inc. | Chris A. Miller | Kearney | NE | 308-237-5923 |
| Miller & Associates | Reed Miller | Kearney | NE | 308-234-6456 |
| Miller & Associates | Chris Miller | McCook | NE | 308-345-3710 |
| Olsson Environmental Sciences, Inc. | Jeffrey S. Johnson | Lincoln | NE | 402-474-6320 |
| Panhandle Geotechnical & Environmental, Inc. | David Weinert | Scottsbluff | NE | 308-632-6735 |
| Peterson Drilling, Inc. | Chris Peterson | Riverdale | NE | 308-893-4293 |
| RDG Geoscience & Engineering, Inc. | Bob Kalinski | Omaha | NE | 402-894-2678 |
| Rocky Mountain Pump Service, Inc. | David Weinert | Scottsbluff | NE | 308-632-5545 |
| Seneca Environmental Services, Inc. | Dustin Cruikshank | Omaha | NE | 402-431-0340 |
| TCW Construction, Inc. | Christopher Boe | Lincoln | NE | 402-475-5030 |
| Terracon | David M. Svingen | Omaha | NE | 402-330-2202 |
| Tetra Tech, Inc. | Derek Dickinson | North Platte | NE | 308-534-5131 |
| Thiele Geotech, Inc. | Michael Gerdes | Omaha | NE | 402-556-2171 |
| Tri State Environmental Services, Inc. | Mark O'Harrow | Sioux City | IA | 712-276-2854 |