| AGT Labs Inc. | 6 | $65,984 | $60,000 – $71,968 |
| A & B Environmental Services, Inc. | 4 | $65,984 | $60,000 – $72,015 |
| California Department of Transportation | 4 | $78,792 | $71,901 – $79,482 |
| Langan Engineering and Environmental Services, LLC | 4 | $89,500 | $79,750 – $349,617 |
| GFT Infrastructure, Inc. | 2 | $71,739 | $71,739 – $71,739 |
| American Green Consulting Group, LLC | 2 | $65,603 | $65,603 – $65,603 |
| Geo-Enviro Consulting & Remediation LLC | 2 | $61,250 | $59,375 – $63,125 |
| GSI Environmental Inc. | 2 | $78,000 | $78,000 – $78,000 |
| Esgc Guam, LLC | 2 | $58,677 | $58,677 – $58,677 |
| Intrinsyx Environmental | 2 | $85,000 | $85,000 – $85,000 |
| Projexiv Environmental, LLC | 2 | $110,000 | $110,000 – $110,000 |
| Centers for Disease Control and Prevention | 1 | $71,984 | $71,984 – $71,984 |
| The Davey Tree Expert Company | 1 | $57,512 | $57,512 – $57,512 |
| Arcadis U.S., Inc. | 1 | $67,588 | $67,588 – $67,588 |
| Apex Clean Energy, Inc. | 1 | $112,671 | $112,671 – $112,671 |
| Aptim Environmental & Infrastructure, LLC | 1 | $54,122 | $54,122 – $54,122 |
| Bay West LLC | 1 | $56,909 | $56,909 – $56,909 |
| Envirobiomics.Inc | 1 | $58,240 | $58,240 – $58,240 |
| Geosyntec Consultants, Inc. | 1 | $130,000 | $130,000 – $130,000 |
| ExxonMobil Biomedical Sciences, Inc. | 1 | $138,000 | $138,000 – $138,000 |
| Essential Utilities, Aqua Pennsylvania | 1 | $72,000 | $72,000 – $72,000 |
| Gotion, Inc. | 1 | $96,533 | $96,533 – $96,533 |
| Greenio LLC | 1 | $69,992 | $69,992 – $69,992 |
| Hawai'i Pacific University | 1 | $65,374 | $65,374 – $65,374 |
| Enviro-Sciences (of Delaware), Inc. | 1 | $82,500 | $82,500 – $82,500 |
| Deep South Center for Environmental Justice | 1 | $65,000 | $65,000 – $65,000 |
| Kennedy/Jenks Consultants, Inc. | 1 | $80,454 | $80,454 – $80,454 |
| Huaning Trading LLC | 1 | $70,533 | $70,533 – $70,533 |
| Nimbora LLC | 1 | $57,200 | $57,200 – $57,200 |
| New York Power Authority | 1 | $110,000 | $110,000 – $110,000 |
| North Water District Laboratory Services, Inc. | 1 | $62,402 | $62,402 – $62,402 |
| Optimum Care Services, LLC. | 1 | $62,400 | $62,400 – $62,400 |
| OYH Construction Materials, LLC | 1 | $107,640 | $107,640 – $107,640 |
| Reservoir Engineering Research Institute | 1 | $63,600 | $63,600 – $63,600 |
| Sandeep Gunnala Engineering PLLC | 1 | $120,000 | $120,000 – $120,000 |
| Shamrock Management LLC | 1 | $78,042 | $78,042 – $78,042 |
| Sjca, Inc. | 1 | $78,520 | $78,520 – $78,520 |
| Stantec Consulting Services Inc. | 1 | $74,194 | $74,194 – $74,194 |
| State of Oregon | 1 | $73,716 | $73,716 – $73,716 |
| Sustainable Northwest | 1 | $65,894 | $65,894 – $65,894 |
| TRC Environmental Corporation | 1 | $65,146 | $65,146 – $65,146 |
| WSP USA Inc. | 1 | $80,018 | $80,018 – $80,018 |