| Oliver's Market CA | Retail Trade | 0 | - | F |
| Oliver/Hatcher Construction & Development Inc. MI | Construction | 1 | $105,000 | - |
| Olivet Academy NY | Educational Services | 4 | $55,558 | - |
| Olivet Assembly Inc MO | Other Services | 1 | $36,941 | - |
| Olivet Nazarene University IL | Educational Services | 1 | $58,029 | - |
| Olivet University CA | Educational Services | 9 | $74,580 | - |
| Olivia AI, Inc DE | Information & Media | 1 | $97,176 | - |
| Olivia Consulting, Inc. PA | Professional & Technical Services | 1 | $88,733 | - |
| Olli Salumeria CA | Manufacturing | 0 | - | F |
| Olli Salumeria Americana, LLC CA | Manufacturing | 0 | - | F |
| Ollie's Noodle Shop NY | - | 0 | - | - |
| OLM Foods IA | Manufacturing | 0 | - | F |
| Olmsted County MN | Public Administration | 0 | - | D |
| Olmsted Medical Center Hospital MN | Healthcare & Social Assistance | 0 | - | F |
| Olney Assisted Living Partners, LLC MD | Healthcare & Social Assistance | 0 | - | F |
| Olo, Inc. NY | Professional & Technical Services | 1 | $128,544 | - |
| Olon IN | Manufacturing | 0 | - | F |
| Olon NC | Manufacturing | 0 | - | F |
| Olon Industries Inc. (US) NC | - | 0 | - | - |
| Oloop LLC IL | Professional & Technical Services | 2 | $125,000 | - |
| Olphert Capital LLC NY | Finance & Insurance | 3 | $125,000 | - |
| OLR America Inc. OH | Professional & Technical Services | 1 | $176,152 | - |
| OLS Hotels & Resorts LLC CA | Accommodation & Food Services | 0 | - | F |
| OLS Hotels & Resorts LLC dba Springboard Hospitality HI | - | 0 | - | - |
| Olsen Brothers Ranches, Inc. WA | Agriculture & Forestry | 1 | $93,787 | F |
| Olson Aluminum Castings IL | Manufacturing | 0 | - | F |
| Olson and Co. Steel CA | Manufacturing | 1 | $163,149 | F |
| Olson Kundig, Inc. WA | Professional & Technical Services | 2 | $79,750 | - |
| Olson Meat Company INC CA | Manufacturing | 0 | - | F |
| Olsson, Inc NE | Professional & Technical Services | 3 | $71,007 | - |
| Olsten Staffing (SoPakCo) SC | - | 0 | - | - |
| Oltmans Construction Co. CA | Construction | 0 | - | B |
| Olum's Furniture and Appliances NY | - | 0 | - | - |
| Olum's of Binghamton, Inc. NY | Retail Trade | 0 | - | F |
| Olympak MN | - | 0 | - | - |
| Olympia Chimney PA | Manufacturing | 0 | - | F |
| Olympia Health Inc. WA | Healthcare & Social Assistance | 2 | - | - |
| Olympia Medical Center CA | - | 0 | - | - |
| Olympia Sports Warehouse ME | - | 0 | - | - |
| Olympic Ambulance WA | Healthcare & Social Assistance | 0 | - | F |
| Olympic Ambulance Service WA | Healthcare & Social Assistance | 0 | - | F |
| Olympic Anesthesia Services, INC WA | Healthcare & Social Assistance | 1 | $322,500 | - |
| Olympic Club CA | - | 0 | - | - |
| Olympic College WA | Educational Services | 1 | $86,366 | - |
| Olympic Eagle Distributing WA | Wholesale Trade | 0 | - | - |
| Olympic Moving & Storage INC WA | Transportation & Warehousing | 0 | - | F |
| Olympic Panel Products WA | - | 0 | - | - |
| Olympic Public Affairs LLC NY | Information & Media | 1 | $100,006 | - |
| Olympic Security Services, Inc. WA | - | 0 | - | - |
| Olympic Sports & Spine WA | - | 0 | - | - |
