| Oltmans Construction Co. CA | Construction | 0 | - | B |
| Olto Labs, Inc. CA | - | 1 | $220,000 | - |
| Olum's Furniture and Appliances NY | - | 0 | - | - |
| Olum's of Binghamton, Inc. NY | Retail Trade | 0 | - | F |
| Olympak MN | - | 0 | - | - |
| Olympia Capital Partners LLC CA | - | 1 | $127,000 | - |
| Olympia Chimney PA | Manufacturing | 0 | - | F |
| Olympia Health Inc. WA | Healthcare & Social Assistance | 2 | - | - |
| Olympia Medical Center CA | - | 0 | - | - |
| Olympia Sports Warehouse ME | - | 0 | - | - |
| Olympia Therapy PLLC WA | - | 1 | $61,000 | - |
| 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 | - | - |
| Olympic Steel NC | - | 0 | - | - |
| Olympic Steel OH | Wholesale Trade | 0 | - | A |
| Olympic Steel, Inc. CT | Wholesale Trade | 0 | - | F |
| Olympic Steel, Inc. PA | Wholesale Trade | 0 | - | F |
| Olympic Tug & Barge, INC WA | Transportation & Warehousing | 0 | - | C |
| Olympus CA | Other Services | 0 | - | B |
| Olympus TN | Manufacturing | 0 | - | F |
| Olympus Building Services Inc. OH | - | 0 | - | - |
| Olympus Construction Inc. AR | Construction | 1 | $69,540 | - |
| Olympus Corporation of the Americas PA | Management of Companies | 6 | $125,675 | A |
| Olympus Imaging America Inc. and Olympus Corporation of the Americas NY | - | 0 | - | - |
| OM Consulting Engineers Group LLC NJ | Professional & Technical Services | 3 | $100,131 | - |
| Om Ganapati INC CA | Accommodation & Food Services | 1 | $140,795 | - |
| Om Imports Inc FL | - | 1 | $91,874 | - |
| Om Namah Shivaaya - Caters, LLC TX | Accommodation & Food Services | 1 | $112,923 | - |
| OM Partners USA, Inc. GA | Professional & Technical Services | 16 | $154,750 | - |
| Om Tek INC TX | Professional & Technical Services | 21 | $130,707 | - |
| Om USA LLC NY | - | 1 | $125,000 | - |
| Om4tech Services Incorporated TX | Professional & Technical Services | 1 | $84,386 | - |
| OMA AMO Architecture PC NY | Professional & Technical Services | 2 | $97,500 | - |
| Oma Dixon Claunch III TX | Finance & Insurance | 1 | $70,782 | - |
| OMA USA Inc. NY | - | 1 | $80,000 | - |
| Oma4 LLC GA | Professional & Technical Services | 6 | $99,195 | - |
| Omada Health INC. CA | Healthcare & Social Assistance | 5 | $188,600 | - |
| Omaha Anesthesia Associates, LLC NE | - | 0 | - | - |
| Omaha Housing Authority NE | Real Estate | 0 | - | F |
| Omaha Industries NE | Manufacturing | 0 | - | D |
| Omaha Public Power District NE | Construction | 3 | $129,961 | A |