| EcoServices TX | Manufacturing | 0 | — | A |
| ECOSERVICES LLC CT | Transportation & Warehousing | 0 | — | C |
| ecoservices, LLC PA | Administrative & Waste Services | 0 | — | C |
| EcoShield Pest Control AZ | Administrative & Waste Services | 0 | — | A |
| EcoShield Pest Control CA | Administrative & Waste Services | 0 | — | A |
| EcoShield Pest Control CO | Administrative & Waste Services | 0 | — | A |
| EcoShield Pest Control FL | Administrative & Waste Services | 0 | — | A |
| EcoShield Pest Control GA | Administrative & Waste Services | 0 | — | F |
| EcoShield Pest Control IL | Administrative & Waste Services | 0 | — | A |
| EcoShield Pest Control MD | Administrative & Waste Services | 0 | — | A |
| EcoShield Pest Control MI | Administrative & Waste Services | 0 | — | C |
| EcoShield Pest Control NY | Administrative & Waste Services | 0 | — | F |
| EcoShield Pest Control TX | Administrative & Waste Services | 0 | — | C |
| EcoShield Pest Control UT | Administrative & Waste Services | 0 | — | A |
| EcoShield Pest Control VA | Administrative & Waste Services | 0 | — | F |
| EcoShield Pest Control WA | Administrative & Waste Services | 0 | — | F |
| EcoSort, L.L.C. OR | Administrative & Waste Services | 0 | — | A |
| Ecosouth FLorida FL | Administrative & Waste Services | 0 | — | D |
| EcoSouth Services AL | Administrative & Waste Services | 0 | — | A |
| ECOSYSHUB LLC CA | Professional & Technical Services | 2 | $99,000 | — |
| Ecosystem Energy Services USA Inc. NY | Professional & Technical Services | 2 | $106,250 | — |
| Ecotech Energy Systems LLC WA | Construction | 0 | — | F |
| Ecotech Hydro Excavation PA | Construction | 0 | — | A |
| Ecotech LLC IN | Administrative & Waste Services | 0 | — | F |
| ECOTECH LLC PA | Manufacturing | 0 | — | A |
| ECOTECH MANAGEMENT INC NY | Wholesale Trade | 0 | — | F |
| Ecotelligent Homes LLC MI | Construction | 0 | — | A |
| Ecotone Inc MD | Construction | 0 | — | D |
| ECOTRON CORPORATION CA | Professional & Technical Services | 1 | $97,198 | — |
| Ecovative Design NY | Professional & Technical Services | 0 | — | F |
| EcoveryLLC AL | Administrative & Waste Services | 0 | — | F |
| EcoViews Landscape & Pavers Company CA | Administrative & Waste Services | 0 | — | C |
| Ecovue Solutions, LLC GA | Professional & Technical Services | 10 | $102,028 | — |
| Ecovyst CA | Manufacturing | 0 | — | A |
| Ecovyst IN | Manufacturing | 0 | — | A |
| Ecovyst KS | Manufacturing | 0 | — | A |
| Ecovyst LA | Manufacturing | 0 | — | B |
| Ecovyst PA | Manufacturing | 0 | — | A |
| Ecovyst Catalyst Technologies LLC KS | Manufacturing | 0 | — | A |
| Ecovyst Catalyst Technologies LLC PA | Manufacturing | 1 | $123,032 | — |
| EcoWater Systems LLC MN | Manufacturing | 0 | — | D |
| EcoWater Systems LLC MS | Manufacturing | 0 | — | F |
| ECP Corporation OH | Manufacturing | 0 | — | A |
| ECP Incorporated IL | Manufacturing | 0 | — | B |
| ECPC Printing WI | Manufacturing | 0 | — | D |
| ECR Engines, LLC NC | Manufacturing | 0 | — | F |
| ECR International NY | Manufacturing | 0 | — | F |
| ECR-LPR, LP TX | Agriculture & Forestry | 0 | — | F |
| Ecraft Solution CA | Professional & Technical Services | 2 | $91,333 | — |
| ECRI PA | Professional & Technical Services | 1 | $99,299 | — |