| Clean Harbors Inc MS | Administrative & Waste Services | 0 | — | B |
| Clean Harbors Inc NC | Administrative & Waste Services | 0 | — | A |
| Clean Harbors Inc NJ | Administrative & Waste Services | 0 | — | A |
| Clean Harbors Inc NV | Administrative & Waste Services | 0 | — | B |
| Clean Harbors Inc NY | Administrative & Waste Services | 0 | — | F |
| Clean Harbors Inc OH | Administrative & Waste Services | 0 | — | A |
| Clean Harbors Inc OK | Administrative & Waste Services | 0 | — | A |
| Clean Harbors Inc OR | Administrative & Waste Services | 0 | — | D |
| Clean Harbors Inc PA | Administrative & Waste Services | 0 | — | A |
| Clean Harbors Inc PR | Administrative & Waste Services | 0 | — | A |
| Clean Harbors Inc RI | Administrative & Waste Services | 0 | — | A |
| Clean Harbors Inc TN | Administrative & Waste Services | 0 | — | A |
| Clean Harbors Inc TX | Administrative & Waste Services | 0 | — | A |
| Clean Harbors Inc UT | Administrative & Waste Services | 0 | — | A |
| Clean Harbors Inc WA | Administrative & Waste Services | 0 | — | F |
| Clean Harbors Inc WI | Manufacturing | 0 | — | D |
| Clean Laundry Holdings, LLC IA | Other Services | 0 | — | F |
| Clean Loop Recycling, LLC NY | Wholesale Trade | 0 | — | A |
| Clean Machine Powerwash MA | Other Services | 0 | — | D |
| Clean Pro, Inc. MI | Administrative & Waste Services | 0 | — | A |
| Clean Rentals, Inc. MA | Other Services | 0 | — | F |
| Clean Rooms West CA | Construction | 0 | — | F |
| Clean Scapes TX | Administrative & Waste Services | 0 | — | F |
| Clean Scapes - Austin, LLC TX | Administrative & Waste Services | 0 | — | F |
| Clean Scapes - Houston LLC TX | Administrative & Waste Services | 0 | — | D |
| Clean Seal IN | Manufacturing | 0 | — | A |
| Clean Solar, Inc. CA | Utilities | 0 | — | F |
| Clean Solution Services CA | Administrative & Waste Services | 0 | — | A |
| Clean Sweep Contracting, Inc. WV | Administrative & Waste Services | 0 | — | A |
| Clean Team USA MI | Wholesale Trade | 0 | — | C |
| Clean Team, Inc. OH | Administrative & Waste Services | 0 | — | A |
| Clean Tech Incorporated MI | Wholesale Trade | 0 | — | C |
| Clean Textile Systems LP NY | Other Services | 0 | — | C |
| Clean Textile Systems LP OH | Other Services | 0 | — | A |
| Clean Textile Systems LP PA | Other Services | 0 | — | A |
| Clean the World Global FL | Manufacturing | 0 | — | F |
| CLEAN Uniform Company MO | Other Services | 0 | — | C |
| CLEAN Uniform Company OK | Other Services | 0 | — | F |
| Clean Uniform Company Highland IL | Other Services | 0 | — | F |
| Clean Uniform Company Joplin MO | Other Services | 0 | — | F |
| Clean Uniform Company O'Fallon MO | Other Services | 0 | — | F |
| Clean Uniforms and More CT | Other Services | 0 | — | A |
| Clean Uniforms and More MA | Other Services | 0 | — | F |
| Clean Uniforms and More NH | Other Services | 0 | — | A |
| Clean Water Action CA | — | 0 | — | — |
| Clean Water Services OR | Utilities | 0 | — | F |
| Clean Water Texas, LLC TX | Construction | 0 | — | A |
| CLEAN WAVE SOLUTION CA | Administrative & Waste Services | 1 | $59,988 | — |
| Clean Work Services, LLC ME | Administrative & Waste Services | 0 | — | A |
| Clean Worlld Maintenance Inc WA | Administrative & Waste Services | 0 | — | A |
