| Columbus Hospitality Management FL | Accommodation & Food Services | 0 | - | F |
| Columbus Hydraulics NE | Manufacturing | 0 | - | F |
| Columbus International Corporation OH | Administrative & Waste Services | 4 | $109,283 | F |
| Columbus Manufacturing, Inc., a wholly-owned subsidiary of the Hormel Foods Corporation CA | - | 0 | - | - |
| Columbus McKinnon NC | Manufacturing | 0 | - | B |
| Columbus McKinnon TN | Manufacturing | 0 | - | D |
| Columbus McKinnon Corporation IA | - | 0 | - | - |
| Columbus McKinnon Corporation OH | - | 0 | - | - |
| Columbus McKinnon Corporation NC | - | 3 | $120,000 | - |
| Columbus Regional Health IN | - | 0 | - | - |
| Columbus Regional Health Physicians, LLC IN | - | 2 | $232,500 | - |
| Columbus Regional Hospital IN | Healthcare & Social Assistance | 5 | $275,000 | - |
| Columbus Restaurant Fund IV, LLC dba Center Bar NY | - | 0 | - | - |
| Columbus Restaurant Fund IV, LLC dba Porter House Bar and Grill NY | - | 0 | - | - |
| Columbus State University GA | Educational Services | 5 | $100,500 | - |
| Columbus Technology Solutions, Inc. OH | Professional & Technical Services | 13 | $109,923 | - |
| Columbus Trading Partners USA Inc MA | - | 2 | $77,615 | - |
| Columbus Transit, LLC NY | - | 0 | - | - |
| Colusa County Outreach Ed. Facility (Yuba College) CA | - | 0 | - | - |
| Colvico Inc. WA | Construction | 0 | - | F |
| Colville Assisted Living, LLC WA | Healthcare & Social Assistance | 0 | - | F |
| Com Dev USA, LLC CA | - | 0 | - | - |
| Com-Tec Security, LLC WI | - | 0 | - | - |
| COM4 Global Inc VA | Professional & Technical Services | 2 | $112,500 | - |
| Comagro USA Corp FL | Agriculture & Forestry | 1 | $120,000 | - |
| Comair KY | - | 0 | - | - |
| Comanche County Hospital Authority OK | Healthcare & Social Assistance | 28 | $34,133 | - |
| COMANCO Environmental Corporation FL | Construction | 0 | - | F |
| Comar, LLC NJ | Manufacturing | 0 | - | C |
| Comarch Inc. IL | Professional & Technical Services | 2 | $100,000 | - |
| Comarco Quality Pork Products, Inc FL | Manufacturing | 0 | - | D |
| Comau LLC MI | Manufacturing | 1 | $87,589 | B |
| ComAv CA | Transportation & Warehousing | 0 | - | D |
| Combat Tactical Training Range AZ | - | 0 | - | - |
| Combine International, Inc. MI | Wholesale Trade | 1 | $64,846 | - |
| Combined Metals of Chicago, LLC IL | Wholesale Trade | 0 | - | C |
| Combustive 2.0 LLC NY | Professional & Technical Services | 1 | $66,560 | - |
| Comcast CA | - | 0 | - | - |
| Comcast CO | - | 0 | - | - |
| Comcast FL | - | 0 | - | - |
| Comcast GA | - | 0 | - | - |
| Comcast IN | - | 0 | - | - |
| Comcast MD | - | 0 | - | - |
| Comcast MI | - | 0 | - | - |
| Comcast NH | - | 0 | - | - |
| Comcast NJ | - | 0 | - | - |
| Comcast PA | - | 0 | - | - |
| Comcast UT | - | 0 | - | - |
| Comcast VA | - | 0 | - | - |
| Comcast WA | - | 0 | - | - |