| Inmar Rx Solutions Inc. | Grand Prairie | TX | $125M |
| Environmental Rail Solutions Inc. | Port Saint Lucie | FL | $66M |
| Neie Medical Waste Services, LLC | Blairsville | PA | $59.8M |
| Triumvirate Environmental, LLC | Somerville | MA | $43M |
| Advant-edge Solutions Of Middle Atlantic Inc. | Newark | DE | $40.7M |
| Industrial Waste Utilization, LLC | Montclair | CA | $40M |
| Willow Environmental Inc. | Coraopolis | PA | $37.7M |
| A2z Medical & Safety Supply, LLC | Santa Fe | NM | $31.7M |
| Veolia Es Technical Solutions LLC | Boston | MA | $26.4M |
| Kankyo Solution Co.,ltd | Okinawa-shi | | $24M |
| Aes Asset Acquisition Corporation | King Of Prussia | PA | $14.5M |
| US Ecology Idaho, Inc. | Grand View | ID | $12.4M |
| Ueg, Inc. | Agat | GU | $8.83M |
| Remondis Industrie Service GMBH. | Bramsche | | $8.51M |
| West Central Environmental Corp. | Watervliet | NY | $8.3M |
| Applied Technology, Inc. | Westfield | IN | $7.72M |
| Potomac Environmental Inc. | Stafford | VA | $6.22M |
| Td Environmental Inc. | Westfield | IN | $6.07M |
| Set The Standard, LLC | York | PA | $5.77M |
| Broadview Waste Solutions, Inc. | Curtis Bay | MD | $4.29M |
| Horizon Environmental Solutions Corporation | Cranberry Township | PA | $3.76M |
| North State Environmental | South San Francisco | CA | $3.75M |
| Environmental Logistics, Inc. | Bloomington | CA | $3.68M |
| Crystal Clean, LLC | Hoffman Estates | IL | $3.3M |
| Best Choice Environmental Inc. | Somerset | WI | $3.19M |
| American Vet Solutions Inc. | Webster | TX | $3.06M |
| Estrategy Consulting, LLC | Albuquerque | NM | $2.88M |
| Environmental And Energy Innovations, LLC | Lockport | NY | $1.89M |
| Enviroserve Inc. | Sandy | UT | $1.72M |
| American Wholesale Solutions LLC | Tulsa | OK | $1.58M |
| National Response Corporation | Great River | NY | $1.3M |
| Shin Ho Env | Incheon | | $1.11M |
| Sunrise Environmental LLC | Bridgeport | TX | $1.09M |
| Biomedical Waste Services, Inc. | Baltimore | MD | $965K |
| Cliff Berry, Inc. | Fort Lauderdale | FL | $887K |
| Geo & Geo S.R.L. | Vezzano Ligure | SP | $671K |
| Asbury Environmental Services | South Gate | CA | $661K |
| Lissi Gebhardt Spezialtransporte-umweltschutz GMBH | Nuernberg | | $637K |
| Specialized Waste Solutions, Inc. | San Diego | CA | $624K |
| Chem-solv Technologies Pte Ltd. | Singapore | | $547K |
| Ponderosa Enterprises LLC | Flagstaff | AZ | $512K |
| Grow Life General Trading L.L.C | Dubai | | $475K |
| Environmental Packaging | Danville | CA | $383K |
| Medsharps, LLC | Schertz | TX | $363K |
| Transchem Environmental LLC | Tucson | AZ | $345K |
| Eco Medical, Inc. | Fortuna | CA | $334K |
| Pollution Control Inc. | Little Rock | AR | $252K |
| Oklahoma Environmental Management Authority | El Reno | OK | $149K |
| Thomas Gray & Associates, Inc. | Orange | CA | $130K |
| Birnthaler, Berthold | Parsberg | | $129K |
| Sharp Pro, LLC | Bloomfield Hills | MI | $122K |
| Seven Arrows Environmental LLC | Saint Robert | MO | $101K |
| Empowher Enterprises LLC | El Dorado Hills | CA | $94K |
| Environmental Waste Specialists Inc. | Gainesville | VA | $92.1K |
| Ambk, Inc. | Westlake Village | CA | $91.1K |
| Xrahd LLC | Cedar Hill | TX | $90.5K |
| Curie Environmental Services, LLC | Albuquerque | NM | $79.2K |
| Greer Enterprises LLC | Mobile | AL | $59.2K |
| MCF Environmental Services Inc. | Ellenwood | GA | $50.3K |
| "hiroe, KK" | Hiroshima-shi | | $49.8K |
| In.eco. SRL | Dignano | | $48.3K |
| Evolved Enterprises LLC | Vineland | NJ | $42.5K |
| M.p. Environmental Services, Inc. | Bakersfield | CA | $42.3K |
| Stat Medical Disposal, Inc. | Vero Beach | FL | $35.1K |
| Ingenium Group, LLC | Escondido | CA | $34.4K |
| C L Knox Inc. | Bakersfield | CA | $33.6K |
| South Pacific Environmental Guam LLC | Mongmong | GU | $31.2K |
| Mediwaste Disposal, LLC | El Paso | TX | $29.8K |
| Rah Environmental, Inc. | Sacramento | CA | $29.7K |
| Desert Environmental Services, Inc. | Victorville | CA | $25.5K |
| San Diego Abatement Services, Inc. | Santee | CA | $25K |
| Orrs' Environmental, LLC | Madison | AL | $22.5K |
| World Class Environmental Resources LLC | Lewes | DE | $17.4K |
| All Clean Hazardous Waste Removal, Inc. | San Jose | CA | $17.1K |
| Hakuna Services, Inc. | San Francisco | CA | $16.2K |
| NRC Environmental Services Inc. | Chico | CA | $14.3K |
| Jungjin Kim | West Newton | MA | $13.7K |
| Wattbar Industries, LLC | New Hartford | CT | $13.5K |
| Martec Systems LLC | Ogden | UT | $12.6K |
| Maine Labpack Inc. | South Portland | ME | $10.7K |
| Specialty Environmental Services, Inc. | Boise | ID | $10.5K |
| Wilpen Environmental Services Inc. | Schiller Park | IL | $10.4K |
| Cactus Disposal Of North Texas, LP | Dallas | TX | $8,458 |
| Matthew F. Schieferstein Corp. | Central Islip | NY | $8,245 |
| Osi Environmental Inc. | Eveleth | MN | $8,124 |
| Hunter Consulting Inc. | Corona | CA | $7,024 |
| Atlas Environmental Solutions Inc. | Fresno | CA | $6,431 |
| Mountain States Environmental Services Inc. | Billings | MT | $3,750 |
| A-tec Recycling, Inc. | Des Moines | IA | $0 |
| Bergler GMBH & Co. Kg | Weiherhammer | | $0 |
| C & H Veteran Enterprises, Inc. | West Sacramento | CA | $0 |
| DNG Environmental, LLC | Long Beach | CA | Subcontractor |
| Efr Environmental Services Inc. | Alpine | CA | Subcontractor |
| I.d.r Inc. A California Corp. | Azusa | CA | $0 |
| Intereco Servizi S.R.L. | Pomezia | RM | $0 |
| Lab Pack Logic Inc. | San Tan Valley | AZ | $0 |
| Legacee International Environmental Services, Inc. | Houston | TX | $0 |
| R.e.d. Technologies, LLC | Portland | CT | Subcontractor |
| Sunnking, Inc. | Brockport | NY | Subcontractor |
| US Ecology Tampa Inc. | Tampa | FL | Subcontractor |