| 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 | - | - |
| OSM Aviation, Inc. FL | - | 0 | - | - |
| OSM Aviation, Inc. NY | - | 0 | - | - |
| Osman Express INC WA | Wholesale Trade | 0 | - | F |
| Osmose Utilities Services, Inc. GA | Construction | 6 | $92,670 | D |
| Osmose Utilities Services, Inc. NY | Construction | 0 | - | A |
| OSNA, PLLC Dba OrthoArizona AZ | Healthcare & Social Assistance | 1 | $85,000 | - |
| Oso Security Inc. NY | - | 1 | $190,000 | - |
| OSO Ventures Inc CA | Professional & Technical Services | 8 | $154,523 | - |
| Osprey Software Inc. MA | Professional & Technical Services | 2 | $127,750 | - |
| Osram NH | Manufacturing | 0 | - | D |
| OSRAM Sylvania NH | - | 0 | - | - |
| Osram Sylvania INC. NH | - | 2 | $145,759 | - |
| Osram Sylvania, Inc. PA | - | 0 | - | - |
| OSS Health PA | Healthcare & Social Assistance | 0 | - | D |
| OSS, Inc. MD | Professional & Technical Services | 13 | $84,053 | - |
| OSSAJ Construction Services Inc FL | - | 1 | $120,000 | - |
| Osseo Area Schools MN | Educational Services | 0 | - | F |
| Ossia, Inc WA | Manufacturing | 6 | $182,167 | - |