| Corewell Health Greenville Hospital MI | Healthcare & Social Assistance | 0 | - | F |
| Corewell Health Grosse Pointe Hospital MI | Healthcare & Social Assistance | 0 | - | D |
| Corewell Health Helen Devos Childrens Hospital MI | Healthcare & Social Assistance | 0 | - | F |
| Corewell Health Kent Community Campus MI | Healthcare & Social Assistance | 0 | - | F |
| Corewell Health Lakeland Hospital Niles MI | Healthcare & Social Assistance | 0 | - | F |
| Corewell Health Lakeland Hospital St. Joseph MI | Healthcare & Social Assistance | 0 | - | F |
| Corewell Health Ludington Hospital MI | Healthcare & Social Assistance | 0 | - | F |
| Corewell Health Meijer Heart Center MI | Healthcare & Social Assistance | 0 | - | F |
| Corewell Health Pennock Hospital MI | Healthcare & Social Assistance | 0 | - | F |
| Corewell Health Rehab & Nursing Kentridge MI | Healthcare & Social Assistance | 0 | - | F |
| Corewell Health Royal Oak Hospital MI | Healthcare & Social Assistance | 0 | - | D |
| Corewell Health Taylor Hospital MI | Healthcare & Social Assistance | 0 | - | D |
| Corewell Health Trenton Hospital MI | Healthcare & Social Assistance | 0 | - | F |
| Corewell Health Troy Hospital MI | Healthcare & Social Assistance | 0 | - | C |
| Corewell Health Watervliet Hospital MI | Healthcare & Social Assistance | 0 | - | F |
| Corewell Health Wayne Hospital MI | Healthcare & Social Assistance | 0 | - | F |
| Corewell Health Zeeland Hospital MI | Healthcare & Social Assistance | 0 | - | F |
| Corey Steel Company IL | Manufacturing | 0 | - | F |
| Corgan Associates, Inc. TX | Professional & Technical Services | 32 | $110,245 | - |
| Coriell Institute for Medical Research NJ | Professional & Technical Services | 1 | $45,573 | F |
| Corin USA NJ | - | 0 | - | - |
| Corinth Coca-Cola Bottling Works, Inc. AR | Wholesale Trade | 0 | - | F |
| Corinth Coca-Cola Bottling Works, Inc. TN | Wholesale Trade | 0 | - | D |
| Corinth Rehabilitation Suites On The Parkway TX | Healthcare & Social Assistance | 0 | - | - |
| Corinthian Colleges Inc./Everest College CO | - | 0 | - | - |
| Corinthian Decorative Finishes Inc CA | - | 1 | $92,934 | - |
| Corinthian Furniture MS | - | 0 | - | - |
| Corium, Inc. CA | - | 0 | - | - |
| CORIX Utilities MD | - | 0 | - | - |
| Corix Utilities PA | - | 0 | - | - |
| Corix Utilities (Us) Inc CA | - | 0 | - | - |
| Corix Utilities (US) Inc. NY | - | 0 | - | - |
| Corix Utility Services TX | - | 0 | - | - |
| Corixa Corporation PA | Manufacturing | 7 | $149,325 | - |
| Corixa Corporation dba GlaxoSmithKline Vaccines PA | Manufacturing | 0 | - | C |
| Corizon Health AL | - | 0 | - | - |
| Corizon Health CA | - | 0 | - | - |
| Corizon Health FL | - | 0 | - | - |
| Corizon Health IA | - | 0 | - | - |
| Corizon Health IN | - | 0 | - | - |
| Corizon Health VA | - | 0 | - | - |
| Corizon Health Regional Office NY | - | 0 | - | - |
| Corizon Inc. TN | - | 0 | - | - |
| Corizon, Inc. KY | - | 0 | - | - |
| Corkery LLC AZ | Construction | 0 | - | F |
| Corky's Ribs & BBQ TN | - | 0 | - | - |
| Corkys Pest Control CA | Administrative & Waste Services | 0 | - | F |
| Corle Building Systems PA | Manufacturing | 0 | - | F |
| Cormac, Inc. California Corporation CA | - | 0 | - | - |
| Cormier Chevrolet Company CA | - | 0 | - | - |