| Oscar Renda Contracting, Inc. MI | Construction | 0 | — | F |
| Oscar Renda Contracting, Inc. NC | Construction | 0 | — | D |
| Oscar Renda Contracting, Inc. OK | Construction | 0 | — | F |
| Oscar W. Larson Company MI | Construction | 0 | — | B |
| Oscar Wilson Engines and Parts, Inc. MO | Wholesale Trade | 0 | — | C |
| Oscar winski company metal recycling IN | Wholesale Trade | 0 | — | F |
| Oscar Winski E- Recycling IN | Wholesale Trade | 0 | — | F |
| Oscar's Hickory House Inc. NY | Manufacturing | 0 | — | A |
| Osceola IA | Manufacturing | 0 | — | C |
| Osceola Consulting LLC CA | Professional & Technical Services | 4 | $170,040 | — |
| Osceola Cotton Company LLC GA | Agriculture & Forestry | 0 | — | A |
| Osceola County Road Commission MI | Construction | 0 | — | F |
| Osceola County Sheriff Office FL | Public Administration | 0 | — | F |
| Osceola Movers LLC FL | Transportation & Warehousing | 0 | — | A |
| OSCEOLA MOVERS LLC, dba Two Men And A Truck FL | Transportation & Warehousing | 0 | — | D |
| Osceola Regional Health Center IA | Healthcare & Social Assistance | 0 | — | A |
| Oscilar, Inc. CA | Information & Media | 9 | $196,931 | — |
| OSCO Controls OK | Manufacturing | 0 | — | A |
| Osco Industries OH | Manufacturing | 0 | — | F |
| Oscra Renda Contracting, Inc. OK | Construction | 0 | — | F |
| 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 | 1 | $120,000 | — |
| 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 | 24 | $79,875 | — |
| 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 | 27 | $347,997 | — |
| OSF Saint Francis Medical Center IL | Healthcare & Social Assistance | 0 | — | F |
| OSF Saint Joseph Medical Center IL | Healthcare & Social Assistance | 0 | — | F |
| OSG IL | Manufacturing | 0 | — | B |
| OSG WI | Manufacturing | 0 | — | F |
| OSG USA, Inc CA | Manufacturing | 0 | — | A |
| OSG USA, Inc IL | Manufacturing | 0 | — | D |
| OSG USA, Inc. OH | Manufacturing | 0 | — | F |
| OSGOOD PAINTING AND CONTRACTING SERVICES LLC MA | Construction | 0 | — | A |
| OSH CA | Retail Trade | 0 | — | A |
| OSH Cut, Inc. UT | Manufacturing | 0 | — | F |
| Osh Pro Partners, LLC WI | Accommodation & Food Services | 0 | — | A |
| Osha Thai CA | — | 0 | — | — |
| OShaughnessy Asset Management LLC CT | Finance & Insurance | 1 | $112,778 | — |
