| Wilder Ecological Consulting Inc. | Ojai | CA | Subcontractor |
| Wiles Consulting | Olympia | WA | $0 |
| Winterton Consulting, LLC | Louisville | CO | Subcontractor |
| Wiregrass Ecological Associates, LLC | Bainbridge | GA | Subcontractor |
| Wise Consulting & Training, Inc. | Reno | NV | $0 |
| Wm Ambienta, Inc. | Aguas Buenas | PR | Subcontractor |
| Woodstar Biological, LLC | Altadena | CA | $0 |
| WSP Uk Limited | London | | Subcontractor |
| WSP USA Environment & Infrastructure Inc.Kennesaw, GA · UEI MZQ8YJKMLQ94 | Kennesaw | GA | Subcontractor |
| WSP USA Environment & Infrastructure Inc.Phoenix, AZ · UEI Z4HDWCL4YNM3 | Phoenix | AZ | Subcontractor |
| WSP USA Environment & Infrastructure Inc.Chantilly, VA · UEI Z6ULCTCPNLJ6 | Chantilly | VA | $0 |
| Wyohydro Professional Hydrology Services, LLC | Meeteetse | WY | $0 |
| Z - Geoinfo Inc. | Hunt Valley | MD | Subcontractor |
| Zia Engineering & Environmental Consultants, LLC | Albuquerque | NM | $0 |
| Zwick Environmental Consultants, LLC | Columbus | OH | Subcontractor |
| Integrated Planning And Conservation Associates, LLC | Reston | VA | Subcontractor |
| Panamerican Consultants Inc. | Buffalo | NY | −$0 |
| Weber Matthew A | Corvallis | OR | −$0 |
| Homer Soil & Water Conservation District | Homer | AK | −$0 |
| Heritage Research Associates Inc. | Eugene | OR | −$2 |
| Walking Shadow Ecology LLC | Gardiner | MT | −$4 |
| Oa Systems Corporation | Amarillo | TX | −$10 |
| Trutta Environmental Solutions LLC | Hendersonville | TN | −$16 |
| LGL Alaska Research Associates Inc. | Bryan | TX | −$17 |
| E & E Engineering And Associates, LLC | Broken Arrow | OK | −$127 |
| Inwater Research Group, Inc. | Jensen Beach | FL | −$373 |
| Cr Environmental Inc. | San Juan | PR | −$500 |
| Tulpehocken Habitat Management LLC | Bernville | PA | −$690 |
| Environmental And Engineering Solutions, Inc. | Cheltenham | PA | −$1,696 |
| Bergeson-boese & Associates, Inc. | Coburg | OR | −$1,802 |
| Emerald State Environmental LLC | Chesapeake | VA | Subcontractor |
| Tetra Tech Inc. | Knoxville | TN | Subcontractor |
| Enviromed Services, Inc. | Meriden | CT | −$3,700 |
| Hawks Aloft, Inc. | Albuquerque | NM | Subcontractor |
| Arcadis Italia S.R.L. | Milano | MI | −$5,000 |
| Ensolum, LLC | Dallas | TX | −$5,465 |
| Triangle Associates, Inc. | Seattle | WA | Subcontractor |
| Rockman Elementals LLC | Beaver Dam | WI | −$5,500 |
| Project Support Services | Middleton | ID | −$5,965 |
| Enviroissues, Inc. | Seattle | WA | −$6,038 |
| Kyron Environmental, Inc. | Spokane | WA | −$6,727 |
| Ss Papadopulos & Associates Inc. | Boulder | CO | Subcontractor |
| Environmental Risk Analysis LLC | Honolulu | HI | Subcontractor |
| Tidal Bay Consulting LLC | Freeport | ME | −$7,213 |
| Terranext L.L.C | Denver | CO | Subcontractor |
| Downstream Strategies LLC | Morgantown | WV | −$8,233 |
| Applied Envirosolutions Inc. | Guadalupe | AZ | −$9,214 |
| Norris James C Jr | Benton | AR | −$13.4K |
| Andover Technology Partners | Manchester | MA | Subcontractor |
| Trillium Consulting LLC | Onalaska | WI | −$15.9K |
| Advantage Environmental Consultants, LLC. | Jessup | MD | −$16.5K |
| John A. Jurgiel & Associates, Inc. | Saint Charles | MO | −$17.1K |
| SRP Environmental LLC | Shreveport | LA | −$17.3K |
| Macdonald Environmental Sciences Limited | Nanaimo | BC | −$17.4K |
| Quercus Consultants, Inc. | Mount Shasta | CA | −$19.6K |
| S.s. Papadopulos & Associates, Inc. | San Francisco | CA | −$19.9K |
| Forensic Analytical Consulting Services, Inc. | Hayward | CA | Subcontractor |
| Cafferata Consulting, LLC | Canby | OR | −$22.1K |
| Helix Environmental Planning, Inc. | La Mesa | CA | Subcontractor |
| Archaeological Investigations Northwest, Inc. | Portland | OR | −$23.2K |
| Partner Assessment Corporation | Torrance | CA | Subcontractor |
| Native Plant Trust Inc. | Wayland | MA | −$42.7K |
| Dahl Environmental Associates | Lakewood | CO | −$42.9K |
| Pacific Rim Design And Development | Shingletown | CA | −$49.5K |
| Redmond Jr Harold Benjamin | Oak Ridge | TN | −$57.8K |
| R2T, Inc. | Palm Beach Gardens | FL | −$65.3K |
| Live Oak Associates, Inc. | Oakhurst | CA | −$65.8K |
| Range & Riparian Services LLC | Reno | NV | −$97.5K |
| MCS Services Inc. | Petersburg | VA | −$147K |
| HII Nuclear Inc. | Newport News | VA | Subcontractor |
| Ecology & Environment Inc. | Arlington | VA | −$189K |
| Jasco Applied Sciences (usa) Inc. | Silver Spring | MD | Subcontractor |
| Chambers Group, Inc. | Costa Mesa | CA | Subcontractor |
| Eagle Eye - Enviroworks Joint Venture, LLC | Anchorage | AK | −$217K |
| B2 Environmental, Inc. | Omaha | NE | Subcontractor |
| Natural Systems Analysts, Inc. | Dubois | WY | −$338K |
| Antea USA Inc. | New Brighton | MN | Subcontractor |
| Freestone Environmental Services, Inc. | Richland | WA | Subcontractor |
| Ecorp Consulting, Inc. | Rocklin | CA | Subcontractor |
| Chickasaw Advisory Services, LLC | Norman | OK | −$1.03M |
| Sealaska Technical Services, LLC. | Richland | WA | −$3.54M |
| Tec-aecom Pacific Joint Venture | Charlottesville | VA | −$10.1M |