| Osceola Consulting LLC CA | Professional & Technical Services | 4 | $170,040 | - |
| Osceola County Sheriff Office FL | Public Administration | 0 | - | F |
| Osceola Staffing Holdings, LLC TX | - | 1 | $88,000 | - |
| Oscilar, Inc. CA | Information & Media | 14 | $190,000 | - |
| Osco Industries OH | Manufacturing | 0 | - | F |
| OSEH Inc. IL | - | 1 | $148,990 | - |
| OSEM Enterprises, Inc. TX | Retail Trade | 1 | $62,780 | - |
| OSF IL | Healthcare & Social Assistance | 0 | - | F |
| OSF Cardiovascular Institute and Medical Group IL | - | 0 | - | - |
| OSF Digital US Inc. DE | Professional & Technical Services | 2 | $170,000 | - |
| Osf Employee Health Saint Anthony IL | Healthcare & Social Assistance | 0 | - | F |
| OSF Flavors Inc. CT | Manufacturing | 0 | - | D |
| OSF Healthcare IL | Healthcare & Social Assistance | 0 | - | F |
| OSF Healthcare MI | Healthcare & Social Assistance | 0 | - | F |
| OSF HealthCare Heart of Mary Medical Center IL | - | 0 | - | - |
| OSF HealthCare Medical Group IL | - | 0 | - | - |
| OSF Healthcare System IL | Healthcare & Social Assistance | 61 | $76,086 | - |
| Osf Healthcare Systems IL | Healthcare & Social Assistance | 0 | - | F |
| Osf Homecare IL | Healthcare & Social Assistance | 0 | - | F |
| OSF International dba The Old Spaghetti Factory TN | - | 0 | - | - |
| OSF International, Inc. dba The Old Spaghetti Factory CA | - | 0 | - | - |
| OSF Little Company of Mary Medical Center IL | Healthcare & Social Assistance | 0 | - | F |
| OSF Multi-Specialty Group IL | Healthcare & Social Assistance | 57 | $300,000 | - |
| OSF Saint Francis Medical Center IL | Healthcare & Social Assistance | 0 | - | F |
| OSF Saint Joseph Medical Center IL | Healthcare & Social Assistance | 0 | - | F |
| OSH CA | Retail Trade | 0 | - | A |
| Osha Thai CA | - | 0 | - | - |
| OShaughnessy Asset Management LLC CT | Finance & Insurance | 1 | $112,778 | - |
| Osher Marin Jewish Community Center CA | - | 0 | - | - |
| Oshkosh Aerotech UT | Manufacturing | 0 | - | A |
| Oshkosh Airport Services. - Honolulu Airport HI | - | 0 | - | - |
| Oshkosh Coil Spring, Inc. WI | Manufacturing | 0 | - | F |
| Oshkosh Corporation TN | Manufacturing | 0 | - | F |
| Oshkosh Defense FL | - | 0 | - | - |
| Oshkosh Defense LLC WI | Manufacturing | 4 | $115,917 | F |
| Oshman Family Jewish Community Center CA | - | 0 | - | - |
| OSI Digital, Inc. CA | Professional & Technical Services | 20 | $133,900 | - |
| OSI Electronics, Inc. CA | Manufacturing | 0 | - | A |
| Osi Engineering, INC. CA | Professional & Technical Services | 5 | $135,200 | - |
| OSI Group IL | Manufacturing | 0 | - | C |
| OSI Group Rose Packing a Division of OSI Industries, LLC IL | Manufacturing | 0 | - | A |
| OSI Industries LLC CA | Manufacturing | 0 | - | F |
| OSI Industries, LLC IL | Manufacturing | 0 | - | D |
| OSI Industries, LLC WI | Manufacturing | 0 | - | B |
| OSI Pharmaceuticals, LLC NY | - | 0 | - | - |
| OSI Staffing Inc. CA | Administrative & Waste Services | 0 | - | D |
| Osi Systems, INC. CA | Manufacturing | 6 | $134,720 | - |
| Osiris 9 Consulting, LLC FL | Professional & Technical Services | 2 | $106,080 | - |
| Osisoft, LLC CA | Information & Media | 12 | $160,774 | - |
| OSM Aviation, Inc. CA | - | 0 | - | - |