| Oakland Athletics CA | - | 0 | - | - |
| Oakland City University IN | - | 1 | $46,640 | - |
| Oakland Healthcare & Wellness Center CA | Healthcare & Social Assistance | 0 | - | F |
| Oakland Housing Authority CA | Public Administration | 0 | - | B |
| Oakland Logistics MS | - | 0 | - | - |
| Oakland Management Corp. MI | Real Estate | 0 | - | F |
| Oakland Management CORPORATION MI | - | 1 | $135,921 | - |
| Oakland Nursery OH | Retail Trade | 0 | - | A |
| Oakland Nursing and Rehabilitation MD | Healthcare & Social Assistance | 0 | - | F |
| Oakland Pallet Co., Inc. CA | Manufacturing | 0 | - | F |
| Oakland Park Communities, Inc. MN | Healthcare & Social Assistance | 0 | - | - |
| Oakland Rehabilitation and healthcare Center NJ | Healthcare & Social Assistance | 0 | - | F |
| Oakland Schools MI | Educational Services | 0 | - | A |
| Oakland Stamping LLC dba Autokiniton MI | - | 0 | - | - |
| Oakland Unified School District CA | Educational Services | 6 | $78,360 | - |
| Oakland University MI | Educational Services | 13 | $58,794 | - |
| Oakland YMCA CA | - | 0 | - | - |
| Oakleaf Surgical Hospital WI | Healthcare & Social Assistance | 0 | - | F |
| Oakley Inc CA | Manufacturing | 0 | - | F |
| Oakley Industries Sub Assembly Division, Inc. MI | Manufacturing | 0 | - | F |
| Oakley Transport, Inc. FL | Transportation & Warehousing | 0 | - | C |
| Oakline Properties Buyer, LLC NY | Real Estate | 1 | $200,000 | - |
| Oaklins DeSilva & Phillips LLC NY | Finance & Insurance | 1 | $120,000 | - |
| Oakmont Education, LLC OH | - | 1 | $175,000 | - |
| Oakmont Finance Inc. GA | Retail Trade | 1 | $67,579 | - |
| Oakmont Management Group CA | Healthcare & Social Assistance | 0 | - | F |
| Oakmont of Redding CA | Healthcare & Social Assistance | 0 | - | F |
| Oakmont Senior Living of Lakes NV | Healthcare & Social Assistance | 0 | - | F |
| Oakmont Senior Living of Las Vegas NV | Healthcare & Social Assistance | 0 | - | F |
| Oakmont Senior Living of Lodi CA | Healthcare & Social Assistance | 0 | - | F |
| Oakmont Senior Living of Montecito Opco LLC CA | Healthcare & Social Assistance | 0 | - | F |
| Oakmont Senior Living of Riverpark Opco LLC CA | Healthcare & Social Assistance | 0 | - | F |
| Oakmont Senior Living of Sacramento CA | Healthcare & Social Assistance | 0 | - | F |
| Oakmont Senior Living of Santa Clarita CA | Healthcare & Social Assistance | 0 | - | F |
| Oakmont Senior Living of Silver Creek CA | Healthcare & Social Assistance | 0 | - | F |
| Oakmont Senior Living of Torrance CA | Healthcare & Social Assistance | 0 | - | F |
| Oakmont Senior Living of Valencia CA | Healthcare & Social Assistance | 0 | - | F |
| Oakmont Senior Living of Whittier CA | Healthcare & Social Assistance | 0 | - | F |
| OakNorth Americas (US) Inc. NY | Finance & Insurance | 2 | $146,600 | - |
| Oakrheem CA | Healthcare & Social Assistance | 0 | - | F |
| Oakridge Homes Woodview MN | Healthcare & Social Assistance | 0 | - | F |
| Oakridge Staffing LLC NY | Professional & Technical Services | 1 | $324,000 | - |
| Oaks Card Club CA | - | 0 | - | - |
| Oaks Senior Living GA | Healthcare & Social Assistance | 0 | - | A |
| Oakston Technologies LLC PA | Professional & Technical Services | 5 | $109,642 | - |
| Oakton Technologies LLC TX | Professional & Technical Services | 19 | $112,923 | - |
| Oaktree Capital Management, L.P. CA | Finance & Insurance | 2 | $177,500 | - |
| Oaktree Capital Management, L.P. CA | - | 1 | $200,000 | - |
| Oakview Farm LLC FL | - | 1 | $36,000 | - |
| Oakview Health & Rehab Center GA | Healthcare & Social Assistance | 0 | - | - |