| Clinton County Road Commission MI | Construction | 0 | — | F |
| Clinton CUSD #15 IL | Transportation & Warehousing | 0 | — | A |
| Clinton Electric, Inc. IL | Construction | 0 | — | C |
| Clinton Harborside Marina Inc CT | Arts & Entertainment | 0 | — | C |
| Clinton Hickman County Hospital, Inc. KY | Healthcare & Social Assistance | 0 | — | A |
| Clinton Hotel Partners LLC TN | Accommodation & Food Services | 0 | — | A |
| Clinton IA (Drives) IA | Manufacturing | 0 | — | F |
| Clinton Industries, Inc. PA | Manufacturing | 0 | — | F |
| Clinton Laundry and Cleaners OK | Other Services | 0 | — | F |
| Clinton Market Inc. ME | Retail Trade | 0 | — | A |
| Clinton Moving & Packaging, Inc. NY | Transportation & Warehousing | 0 | — | A |
| Clinton Nurseries CT | Agriculture & Forestry | 0 | — | D |
| Clinton Nurseries of FL,Inc FL | Agriculture & Forestry | 0 | — | A |
| CLINTON PHARMACY INC NJ | Retail Trade | 1 | $124,000 | — |
| CLINTON RIES Landscape Architects, PC MD | Professional & Technical Services | 1 | $79,380 | — |
| Clinton Tractor & Implement Company, Inc NY | Other Services | 0 | — | D |
| Clinton Utilities Board TN | Utilities | 0 | — | D |
| Clinton Women's Healthcare, PC MI | Healthcare & Social Assistance | 0 | — | A |
| Clinton Young Foundation TX | Professional & Technical Services | 1 | $74,901 | — |
| Clinton's Ditch Cooperative NY | Manufacturing | 0 | — | F |
| Clinvia LLC NC | Professional & Technical Services | 1 | $150,000 | — |
| Clippard Instrument Lab., Inc. OH | Manufacturing | 0 | — | A |
| Clippard Instrument Laboratory, Inc OH | Manufacturing | 1 | $82,742 | — |
| Clipper City Brewing Company, LP MD | Manufacturing | 0 | — | A |
| Clipper Ferry Service WA | Transportation & Warehousing | 0 | — | A |
| Clipper Industries, Inc IL | Manufacturing | 0 | — | F |
| Clipper Petroleum GA | Retail Trade | 0 | — | D |
| Clipper Windpower, LLC IA | — | 0 | — | — |
| Clipper Windpower, LLC. CA | — | 0 | — | — |
| Clive Daniel Home Holdings LLC FL | Retail Trade | 0 | — | F |
| Clive Wilkinson Architects, Inc. CA | Professional & Technical Services | 1 | $72,000 | — |
| Cliveden Nursing & Rehabilitation Center PA | Healthcare & Social Assistance | 0 | — | F |
| Cliveden Operating LLC PA | Healthcare & Social Assistance | 0 | — | F |
| CLJ Transporting FL | Transportation & Warehousing | 0 | — | F |
| CLJackson Logistics LLC TX | Transportation & Warehousing | 0 | — | F |
| CLK Foods LLC PA | Retail Trade | 0 | — | A |
| CLM Enterprises, Inc. MI | Healthcare & Social Assistance | 0 | — | F |
| CLM Midwest IL | Construction | 0 | — | F |
| CLM Pallet Recycling OH | — | 0 | — | — |
| CLMF, LLC CO | Real Estate | 0 | — | A |
| CLNA Holdings, LLC WI | Manufacturing | 0 | — | A |
| Cloacina LLC CA | Manufacturing | 0 | — | F |
| Clock Technologies Inc TX | Finance & Insurance | 1 | $123,000 | — |
| CLOCKTOWER GROUP, L.P. CA | Finance & Insurance | 4 | $95,000 | — |
| Clocktower Inn Inc. CA | Accommodation & Food Services | 0 | — | A |
| Clockwise, Inc. CA | Information & Media | 1 | $155,605 | — |
| Cloeren Incorporated TX | Manufacturing | 0 | — | F |
| Cloeren Incorporated WI | Manufacturing | 0 | — | F |
| Cloeren Incorporated/Production Components WI | Manufacturing | 0 | — | F |
| Clogration LLC TX | Professional & Technical Services | 2 | $134,607 | — |
