| Langan Engineering and Environmental Services, LLC | 73 | $83,000 | $78,000 – $91,500 |
| WSP USA Inc. | 29 | $95,555 | $83,446 – $118,227 |
| Kiewit Engineering Group Inc. | 19 | $94,660 | $90,518 – $100,039 |
| Haley & Aldrich, Inc. | 7 | $85,000 | $79,000 – $85,000 |
| Jacobs Engineering Group Inc. | 6 | $89,550 | $87,009 – $92,275 |
| ANS Geo LLC | 5 | $72,000 | $68,000 – $81,827 |
| RRC Power and Energy, LLC | 5 | $80,000 | $70,000 – $105,000 |
| Stantec Consulting Services Inc. | 4 | $105,580 | $101,750 – $109,096 |
| AECOM Technical Services, Inc. | 4 | $99,312 | $89,696 – $105,780 |
| Patriot Engineering and Environmental, Inc. | 3 | $92,000 | $83,500 – $93,500 |
| Shannon & Wilson, Inc. | 3 | $85,800 | $82,794 – $87,900 |
| Accura Engineering and Consulting Services, Inc | 3 | $68,370 | $64,657 – $68,685 |
| Arias & Associates, Inc | 2 | $87,500 | $86,250 – $88,750 |
| HDR Engineering, Inc. | 2 | $129,501 | $129,501 – $129,501 |
| Barr Engineering Co. | 2 | $76,360 | $76,317 – $76,403 |
| Standard Testing & Engineering | 2 | $72,114 | $72,114 – $72,114 |
| Yogi Kwong Engineers, LLC | 2 | $76,252 | $72,997 – $79,508 |
| RADISE International, L.C. | 2 | $80,500 | $70,750 – $90,250 |
| COWI Consulting, Inc. | 1 | $107,179 | $107,179 – $107,179 |
| Earth Engineering Consultants, LLC | 1 | $67,074 | $67,074 – $67,074 |
| Coastal Testing Laboratories, INC | 1 | $150,000 | $150,000 – $150,000 |
| CSI Geo, Inc. | 1 | $102,000 | $102,000 – $102,000 |
| DAE & Associates, Ltd | 1 | $85,000 | $85,000 – $85,000 |
| Anderson Professional Services, LLC. | 1 | $100,000 | $100,000 – $100,000 |
| American Engineers Group, LLC | 1 | $99,840 | $99,840 – $99,840 |
| American Dewatering and Grouting LLC | 1 | $200,000 | $200,000 – $200,000 |
| Arup US, Inc. | 1 | $121,289 | $121,289 – $121,289 |
| Aviles Engineering Corporation | 1 | $78,500 | $78,500 – $78,500 |
| Bechtel Global Corporation | 1 | $110,856 | $110,856 – $110,856 |
| Ags LLC | 1 | $83,533 | $83,533 – $83,533 |
| AB Consultants, Inc. | 1 | $76,960 | $76,960 – $76,960 |
| Henningson, Durham & Richardson, PC | 1 | $130,000 | $130,000 – $130,000 |
| H2R Corp. | 1 | $99,320 | $99,320 – $99,320 |
| Geo-Technology Associates, Inc | 1 | $59,779 | $59,779 – $59,779 |
| Geoengineers, Inc. | 1 | $122,040 | $122,040 – $122,040 |
| Eyncon, LLC. | 1 | $81,703 | $81,703 – $81,703 |
| Esgc Guam, LLC | 1 | $78,635 | $78,635 – $78,635 |
| Engineering & Materials Technologies, Inc. | 1 | $80,080 | $80,080 – $80,080 |
| Entech Engineering, P.C. | 1 | $99,840 | $99,840 – $99,840 |
| Earth Engineering, Inc | 1 | $95,000 | $95,000 – $95,000 |
| Dynamic Earth LLC | 1 | $90,000 | $90,000 – $90,000 |
| ECD NY Inc. | 1 | $200,000 | $200,000 – $200,000 |
| John D. Hynes & Associates, Inc. | 1 | $91,000 | $91,000 – $91,000 |
| Kaskaskia Engineering Group, LLC | 1 | $78,354 | $78,354 – $78,354 |
| Jacobs Civil Consultants, Inc. | 1 | $115,000 | $115,000 – $115,000 |
| Integrated Testing and Engineering Company of San Antonio, L.P. | 1 | $72,800 | $72,800 – $72,800 |
| Hydrostor USA Holdings Inc. | 1 | $128,440 | $128,440 – $128,440 |
| Point of Beginning, Ltd. | 1 | $87,500 | $87,500 – $87,500 |
| NGI Inc. | 1 | $95,000 | $95,000 – $95,000 |
| Langan Engineering, D.P.C. | 1 | $92,000 | $92,000 – $92,000 |