| Clark Manufacturing MI | Manufacturing | 0 | - | B |
| CLARK Material Handling KY | Manufacturing | 0 | - | F |
| Clark Metal Products Company PA | Manufacturing | 0 | - | F |
| Clark Pacific CA | Manufacturing | 0 | - | D |
| Clark Pest Control of Stockton, Inc. CA | Administrative & Waste Services | 0 | - | F |
| Clark Regional Medical Center KY | Healthcare & Social Assistance | 0 | - | F |
| Clark Retirement Community MI | Healthcare & Social Assistance | 0 | - | F |
| Clark Service Group PA | Other Services | 0 | - | F |
| Clark Technology LLC OH | Professional & Technical Services | 1 | $75,442 | - |
| Clark Transportation Consulting & Services, LLC NJ | Professional & Technical Services | 1 | $112,258 | A |
| Clark University MA | Educational Services | 4 | - | - |
| Clark, Schaefer, Hackett & Co. OH | Professional & Technical Services | 1 | $71,885 | - |
| Clark-Lindsey Village, Inc. IL | Healthcare & Social Assistance | 0 | - | F |
| Clarke & Esposito LLC DC | Professional & Technical Services | 2 | - | - |
| Clarke American (Harland Clarke)-San Antonio TX | - | 0 | - | - |
| Clarke County Board of Education (School District) GA | Educational Services | 3 | $60,464 | - |
| Clarke County School District GA | Educational Services | 2 | $55,248 | - |
| Clarke Customer Care MA | Other Services | 0 | - | F |
| Clarke Distributors, Inc. NH | - | 0 | - | - |
| Clarks Ameriacs PA | - | 0 | - | - |
| Clarks Americas, Inc. CA | - | 0 | - | - |
| Clarks Americas, Inc. PA | Transportation & Warehousing | 0 | - | A |
| Clarks Americas, Inc. Distribution Facility PA | - | 0 | - | - |
| Clarkson Eyecare, LLC MO | Healthcare & Social Assistance | 1 | $118,414 | - |
| Clarkson Regional Health Services, Inc. NE | Administrative & Waste Services | 1 | $85,730 | - |
| Clarkson University NY | Educational Services | 2 | $80,500 | - |
| ClarksTech LLC MD | Professional & Technical Services | 7 | - | - |
| ClarksTech LLC NC | Professional & Technical Services | 1 | $109,283 | - |
| Clarksville Foundry, Inc. TN | Manufacturing | 0 | - | F |
| Clarksville Health and Rehab VA | Healthcare & Social Assistance | 0 | - | - |
| ClarkWestern Dietrich Building Systems, LLC OH | Manufacturing | 1 | $99,629 | C |
| Claro / Prt PR | Information & Media | 0 | - | F |
| Clarus Commerce LLC DBA ebbo CT | Professional & Technical Services | 2 | $131,077 | - |
| Clarus Glassboards TX | Manufacturing | 1 | $69,160 | - |
| Clarus Linen Systems SC | - | 0 | - | - |
| Clarvida WV | - | 0 | - | - |
| Clarview Nursing and Rehab Center PA | Healthcare & Social Assistance | 0 | - | F |
| Clarview Rest Home Inc. PA | Healthcare & Social Assistance | 0 | - | F |
| Clasen Quality Chocolate, Inc. NV | Manufacturing | 0 | - | F |
| Class Advisors LLP CA | Professional & Technical Services | 1 | $84,718 | - |
| Class Leasing LLC CA | Construction | 0 | - | F |
| Class Over Inc. NY | Educational Services | 1 | $74,194 | - |
| ClassDojo, Inc. CA | Educational Services | 2 | $265,000 | - |
| Classic Beverage of Southern California, LLC CA | - | 0 | - | - |
| Classic Cartage Trucking Corporation CA | - | 0 | - | - |
| Classic Collision LLC MN | Other Services | 0 | - | F |
| Classic Computers CORPORATION NJ | Professional & Technical Services | 3 | $92,800 | - |
| Classic Containers Inc. CA | Manufacturing | 0 | - | F |
| Classic Designed Systems, Inc. NY | Administrative & Waste Services | 1 | $148,806 | - |
| Classic Envelope Inc MA | Manufacturing | 0 | - | D |