| Circle K Stores, Inc. FL | Retail Trade | 1 | $143,312 | — |
| Circle K Stores, Inc. NC | — | 0 | — | — |
| Circle M Partners LLC TX | Accommodation & Food Services | 0 | — | A |
| Circle Machine Rolls Inc OH | Manufacturing | 0 | — | A |
| Circle Optics, Inc. NY | Professional & Technical Services | 1 | $140,000 | — |
| Circle Packaging WI | Manufacturing | 0 | — | A |
| Circle Plumbing & Heating AK | Construction | 0 | — | F |
| Circle S Inc MS | Construction | 0 | — | B |
| Circle S Ranch LLC NC | Agriculture & Forestry | 0 | — | F |
| Circle S Ranch LLC SC | Manufacturing | 0 | — | F |
| Circle S Shavings SC | Manufacturing | 0 | — | F |
| Circle Staffing LLC OH | Administrative & Waste Services | 0 | — | C |
| CIRCLE STAFFING LLC (AKA SHIP SMART LLC) OH | Administrative & Waste Services | 2 | $90,000 | — |
| Circle Three Feed Yard, Ltd TX | Agriculture & Forestry | 0 | — | F |
| Circle Transport IN | Transportation & Warehousing | 0 | — | A |
| Circle V Services, Inc. TX | Construction | 0 | — | A |
| Circle W Farms II, LLC VA | Agriculture & Forestry | 0 | — | A |
| Circle W Trailers Inc AL | Manufacturing | 0 | — | A |
| Circle X Land & Cattle, Co. Ltd. TX | Agriculture & Forestry | 0 | — | F |
| Circle, Inc. WI | Manufacturing | 0 | — | F |
| Circles of Care, Inc. FL | Healthcare & Social Assistance | 0 | — | F |
| Circleville Post Acute OH | Healthcare & Social Assistance | 0 | — | D |
| CIRCON SC | Administrative & Waste Services | 0 | — | F |
| Circon SD | Administrative & Waste Services | 0 | — | A |
| Circon Environmental OH | Administrative & Waste Services | 0 | — | F |
| Circon Environmental SC | Administrative & Waste Services | 0 | — | C |
| Circor OK | — | 0 | — | — |
| CIRCOR TX | Manufacturing | 0 | — | D |
| Circor Aerospace CA | — | 0 | — | — |
| Circor Aerospace & Defence CA | Manufacturing | 0 | — | A |
| Circor Flow Technologies at the Spence Engineering Company NY | — | 0 | — | — |
| Circor Inc. CA | — | 0 | — | — |
| CIRCOR International FL | Manufacturing | 0 | — | A |
| Circor International Inc. KY | Manufacturing | 0 | — | B |
| CIRCOR International, Inc. NY | Manufacturing | 0 | — | A |
| Circor Naval Solutions MA | Manufacturing | 0 | — | F |
| Circor Pumps NC | Manufacturing | 0 | — | B |
| Circuit Check, Inc. MN | Manufacturing | 0 | — | C |
| Circuit Court of Cook County, Office of the Chief Judge IL | Public Administration | 0 | — | A |
| Circuit Design Specialties, Inc. TX | Manufacturing | 0 | — | A |
| Circuit Electric FL | Construction | 0 | — | A |
| Circuit Electric MI | Construction | 0 | — | F |
| CIRCUIT ENGINEERING LLC IL | Manufacturing | 3 | $81,583 | — |
| Circuit Interruption Technology, Inc. MN | Manufacturing | 0 | — | F |
| Circuit Transit Inc CA | Transportation & Warehousing | 0 | — | D |
| Circuit Transit Inc DC | Transportation & Warehousing | 0 | — | F |
| Circuit Transit Inc FL | Transportation & Warehousing | 0 | — | D |
| Circuit Transit Inc WA | Transportation & Warehousing | 0 | — | A |
| Circuitly, Inc. CA | Professional & Technical Services | 1 | $140,000 | — |
| Circulant Solutions, Inc. CA | Professional & Technical Services | 2 | $105,000 | — |
