| OCI Clean Ammonia LLC TX | Manufacturing | 1 | $147,000 | — |
| OCI, LLC PA | Manufacturing | 0 | — | F |
| Ocient Inc. IL | Professional & Technical Services | 1 | $115,000 | — |
| OCIM Pharmaceuticals LLC NJ | Professional & Technical Services | 3 | $89,333 | — |
| Ocinomled, Ltd d/b/a Delmonico's NY | — | 0 | — | — |
| OCLC, Inc. OH | Information & Media | 24 | $112,734 | — |
| OCM Engineering, LLC IN | Construction | 0 | — | A |
| OCM Inc. IL | Construction | 0 | — | A |
| OCM Inc. PA | Construction | 0 | — | F |
| OCM, LLC AZ | Administrative & Waste Services | 0 | — | A |
| OCMC Inc. dba Orange County Mining Co. CA | — | 0 | — | — |
| OCMI, Inc. CA | Professional & Technical Services | 3 | $153,337 | — |
| Ocmulgee Electric Membership Corporation GA | Utilities | 0 | — | F |
| Oconee County SC | Public Administration | 0 | — | D |
| Oconee County Government SC | Public Administration | 0 | — | D |
| Oconee Electric Membership Corporation GA | Utilities | 0 | — | A |
| Oconomowoc Area School District WI | Educational Services | 0 | — | B |
| Oconomowoc Molded Products WI | Manufacturing | 0 | — | A |
| Oconto Electric Cooperative WI | Construction | 0 | — | F |
| Ocorian (US), Inc. NY | Professional & Technical Services | 1 | $120,000 | — |
| OCP Contractors Inc. OH | Construction | 0 | — | F |
| OCP Contractors of Cleveland OH | Construction | 0 | — | F |
| OCP Contractors of Toldedo OH | Construction | 0 | — | F |
| Ocrolus, Inc. NY | Information & Media | 1 | $185,000 | — |
| OCS Builders Group NY | Construction | 0 | — | A |
| OCS Construction Services, Inc. CA | Construction | 0 | — | F |
| OCS Technologies OH | Wholesale Trade | 0 | — | A |
| Octa Inc KY | Manufacturing | 0 | — | D |
| Octagon IT LLC TX | Professional & Technical Services | 11 | $103,503 | — |
| Octagos Health, Inc. TX | Information & Media | 2 | $165,000 | — |
| Octahedron llc TX | Professional & Technical Services | 2 | $106,805 | — |
| Octal Extrusions OH | Manufacturing | 0 | — | F |
| Octane Lending, Inc. NY | Finance & Insurance | 2 | $152,500 | — |
| Octans Group LLC CA | Professional & Technical Services | 3 | $98,333 | — |
| Octans LLC PA | Professional & Technical Services | 2 | $97,603 | — |
| Octant, Inc. CA | Professional & Technical Services | 1 | $135,000 | — |
| OCTAPHARMA PLASMA, INC. AL | Healthcare & Social Assistance | 0 | — | D |
| OCTAPHARMA PLASMA, INC. AR | Healthcare & Social Assistance | 0 | — | A |
| OCTAPHARMA PLASMA, INC. AZ | Healthcare & Social Assistance | 0 | — | A |
| OCTAPHARMA PLASMA, INC. CA | Healthcare & Social Assistance | 0 | — | F |
| OCTAPHARMA PLASMA, INC. CO | Healthcare & Social Assistance | 0 | — | F |
| OCTAPHARMA PLASMA, INC. FL | Healthcare & Social Assistance | 0 | — | C |
| OCTAPHARMA PLASMA, INC. GA | Healthcare & Social Assistance | 0 | — | C |
| OCTAPHARMA PLASMA, INC. IA | Healthcare & Social Assistance | 0 | — | F |
| OCTAPHARMA PLASMA, INC. IL | Healthcare & Social Assistance | 0 | — | F |
| OCTAPHARMA PLASMA, INC. IN | Healthcare & Social Assistance | 0 | — | C |
| OCTAPHARMA PLASMA, INC. KS | Healthcare & Social Assistance | 0 | — | A |
| OCTAPHARMA PLASMA, INC. KY | Healthcare & Social Assistance | 0 | — | F |
| OCTAPHARMA PLASMA, INC. LA | Healthcare & Social Assistance | 0 | — | F |
| OCTAPHARMA PLASMA, INC. MD | Healthcare & Social Assistance | 0 | — | D |