| Spectraserv Inc. | Kearny | NJ | $9.41M |
| B & B Portable Toilets LLC | Blue Lake | CA | $6.53M |
| Kipp Mickels Equipment, Inc. | Mohave Valley | AZ | $6.15M |
| Gregg Township Municipal Authority | Allenwood | PA | $5.56M |
| Clean Service Co. Ltd. | Yokosuka | | $4.75M |
| Meltec, Ltd. | Oyama | | $4.25M |
| Lormar Reclamation Service, LLC | Norman | OK | $3.56M |
| Mariposa Portable Santitation LLC | Mariposa | CA | $2.87M |
| Humphreys Enterprises Inc. | Silver City | NM | $2.45M |
| NCNS Environmental, Inc. | Honolulu | HI | $2.24M |
| R. & R. Environmental, Inc. | Cocoa Beach | FL | $1.92M |
| US Ecology Alaska LLC | Anchorage | AK | $1.91M |
| Nichibei United Corporation | Okinawa | | $1.82M |
| Wako Service Co.,ltd. | Shiroi-shi | | $1.56M |
| Iida Corporation | Hadano-shi | | $1.53M |
| Vergara Ag Service Inc. | Bakersfield | CA | $1.33M |
| Huhn GMBH & Co.kg | Dickesbach | | $1.16M |
| Jim's Tank Service, LLC | Atoka | TN | $1.06M |
| Mediwaste Disposal, LLC | Corona | CA | $1.03M |
| Oil & Tramp Inc. | Fajardo | PR | $979K |
| Juan M Banuelos | Temecula | CA | $970K |
| Oreogin, Inc. | Odum | GA | $906K |
| Toa Oil Kogyosho Co. Ltd. | Yachiyo | | $798K |
| Okiken K.k. | Urasoe | | $750K |
| Mxi Environmental Services LLC | Abingdon | VA | $536K |
| Ouu Clean Technology K.k. | Hachinohe | | $498K |
| Recology Humboldt County | Eureka | CA | $495K |
| Wind River Environmental, LLC | Marlborough | MA | $474K |
| Narcx Solutions Inc. | Vineyard | UT | $400K |
| Greenway Innovation, Inc. | Florence | KY | $354K |
| Devens Recycling Center, LLC | Devens | MA | $311K |
| Rabanco Ltd. | Seattle | WA | $293K |
| J&a Wastewater Services, LLC | Homestead | FL | $289K |
| Meltec Iwaki Co. Ltd. | Iwaki-shi | | $288K |
| Isc Co. Ltd. | Saeki-ku Hiroshima-shi | | $285K |
| Mccutcheon Enterprises, Inc. | Apollo | PA | $261K |
| Kal Services Inc. | Pella | IA | $232K |
| Geocycle LLC | Dundee | MI | $221K |
| The Henry P. Thompson Company, LLC | Milford | OH | $190K |
| Zweigle Septic Service, LLC | Reedley | CA | $179K |
| Synagro Technologies Inc. | Baltimore | MD | $178K |
| Zippy Disposal Service, Inc. | Chelan | WA | $171K |
| Gertzen Water MGMT Co. | Wanatah | IN | $166K |
| Clean Earth LLC | King Of Prussia | PA | $164K |
| Full Cycle LLC | Ketchikan | AK | $157K |
| VLS Environmental Solutions LLC | Houston | TX | $144K |
| Wilhelm Hemsoth Speditionsgesellschaft MBH | Dortmund | | $129K |
| Commercial Pumping Services, LLC | Saint Charles | MO | $127K |
| Clark's Disposal, Inc. | John Day | OR | $118K |
| Pure Water Technology LLC | Abu Dhabi | | $117K |
| Oak Ridge Waste And Recycling Of Ct, LLC | Danbury | CT | $106K |
| Kw Environmental LLC | Lexington | SC | $87.9K |
| Southwest Envirotec LLC | Las Cruces | NM | $86K |
| Kyouei Kosan K.k. | Higashihiroshima-shi | | $79.7K |
| Medpro Waste Disposal, LLC | Naperville | IL | $62.6K |
| Northwest Biofuel LLC | Portland | OR | $53.5K |
| Valicor Environmental Services, LLC | Monroe | OH | $47.6K |
| E.t. Technologies, Inc. | Salt Lake City | UT | $45K |
| Stena Recycling As | Porsgrunn | | $42.3K |
| Kline's Services, LLC | Landisville | PA | $41.9K |
| Safetech Corp. | Arecibo | PR | $36.5K |
| Yui Concept Co.ltd. | Nakagami-gun | | $36.4K |
| All Valley Environmental, Inc. | Fresno | CA | $33.5K |
| Rooter Sewer Service Inc. | Casper | WY | $32.3K |
| Hawaii Bio-waste Systems Inc. | Honolulu | HI | $31.8K |
| 2 Forks Recreational Water And Sewer District LLC | Garden Valley | ID | $29.4K |
| Master Environmental Inc. | Meridian | ID | $29.4K |
| Shred Station Limited | Norwich | | $28.4K |
| Cortez Liquid Waste Services, Inc. | San Antonio | TX | $22K |
| Wastexpress Environmental LLC | Vancouver | WA | $21.7K |
| Fukuoka Dust Service Y.k. | Fukuoka | | $14.9K |
| Hagan Holding Company | Saint Petersburg | FL | $14.5K |
| Winton Manufacturing LLC | Leavenworth | WA | $10.8K |
| Waypoint Analytical Mississippi, Inc. | Ridgeland | MS | $10.5K |
| Reworld Massachusetts, Inc. | East Taunton | MA | $6,854 |
| Cylinder Recyclers LLC | Georgetown | OH | $4,944 |
| Tas Environmental Services L.P. | Forest Hill | TX | $3,839 |
| Chico Waste Disposal Inc. | Camuy | PR | $3,800 |
| Waste Oil Collectors, Inc. | Gautier | MS | $3,090 |
| Adco Holdings Inc. | Alpharetta | GA | $964 |
| Advanced Specialized Carriers, LLC | Ball | LA | $0 |
| Andritz Separation Technologies Inc. | Arlington | TX | Subcontractor |
| Bluffton Aeration Service Inc. | Bluffton | OH | $0 |
| Clean Water Of New York, Inc. | Staten Island | NY | $0 |
| Dredge Diver LLC | Mesa | AZ | Subcontractor |
| Duffield Hauling, Inc. | King George | VA | $0 |
| Ekotoi Service Ltd. | Sofia | | Subcontractor |
| Environmental Remedies, LLC | Atlanta | GA | $0 |
| Everglades Waste Removal Services, LLC | Fort Lauderdale | FL | $0 |
| Gerald Taylor Co. Inc. | Williamsport | MD | $0 |
| J&i Enterprise, Inc. | Tacoma | WA | $0 |
| John J. Daniels | Middleton | MA | $0 |
| Kurtz Bros., Inc. | Independence | OH | Subcontractor |
| Larson & Associates, Inc. | Pocatello | ID | $0 |
| Lea County Septic Tank Service Ltd. Co. | Hobbs | NM | Subcontractor |
| Merrell Bros., Inc. | Kokomo | IN | $0 |
| Recycle Technologies, Inc. | Blaine | MN | $0 |
| Ritchie Inc. | Savanna | IL | $0 |
| Taplin Group, LLC | Kalamazoo | MI | $0 |
| US Ecology Livonia, Inc. | Livonia | MI | Subcontractor |
