| Orchard View, Inc. OR | Agriculture & Forestry | 0 | - | F |
| Orchard Villa OH | Healthcare & Social Assistance | 0 | - | F |
| Orchard Yarn & Thread Company Inc NJ | Wholesale Trade | 1 | $77,168 | - |
| Orchard-Rite WA | Manufacturing | 0 | - | F |
| Orchards Management LLC OH | Healthcare & Social Assistance | 0 | - | - |
| Orchards Operator NJ | Healthcare & Social Assistance | 0 | - | - |
| Orchars Rehab And Nursing Center NY | Healthcare & Social Assistance | 0 | - | F |
| Orchid Orthopedic Solutions CA | Manufacturing | 0 | - | C |
| Orchid Orthopedic Solutions TN | Manufacturing | 0 | - | A |
| Orchid Orthopedic Solutions, LLC MI | Manufacturing | 4 | $130,154 | C |
| Orchid Solutions INC. VA | Professional & Technical Services | 2 | $132,912 | - |
| ORCO Block & Hardscape CA | Manufacturing | 0 | - | F |
| OrderUp (a subsidiary of Groupon) MD | - | 0 | - | - |
| Ordr, Inc. CA | Information & Media | 2 | $195,146 | - |
| Ordway Research Institute Inc. NY | - | 0 | - | - |
| Oreck TN | - | 0 | - | - |
| Oregon Anesthesiology Group OR | Healthcare & Social Assistance | 0 | - | A |
| Oregon Canadian Forest Products OR | Manufacturing | 0 | - | F |
| Oregon Coast Community Action OR | Healthcare & Social Assistance | 0 | - | F |
| Oregon Conference of Seventh-day Adventists OR | Other Services | 1 | $54,960 | - |
| Oregon Dairy PA | Retail Trade | 0 | - | A |
| Oregon Department of Forestry OR | Agriculture & Forestry | 0 | - | B |
| Oregon Department of Human Services OR | Healthcare & Social Assistance | 0 | - | A |
| Oregon Department of Transportation OR | Public Administration | 0 | - | C |
| Oregon Employment Department OR | Public Administration | 0 | - | A |
| Oregon Health & Science University OR | Educational Services | 67 | $149,135 | C |
| Oregon Health & Science University (OHSU) OR | - | 0 | - | - |
| Oregon Health And Science University OR | Educational Services | 2 | $301,500 | - |
| Oregon Health and Science Unviersity OR | Educational Services | 1 | $240,178 | - |
| Oregon Healthcare, LLC MO | Healthcare & Social Assistance | 0 | - | F |
| Oregon Ice Cream LLC OR | Manufacturing | 0 | - | F |
| Oregon Industrial Lumber Products OR | Manufacturing | 0 | - | F |
| Oregon Institute of Technology OR | Educational Services | 4 | $78,877 | - |
| Oregon Military Dept OR | Public Administration | 0 | - | C |
| Oregon Museum of Science and Industry OR | Arts & Entertainment | 0 | - | A |
| Oregon Mutual OR | - | 0 | - | - |
| Oregon Mutual Insurance Company OR | Finance & Insurance | 2 | $111,134 | - |
| Oregon Oncology Specialists OR | Healthcare & Social Assistance | 0 | - | B |
| Oregon Potato Company OR | Manufacturing | 0 | - | F |
| Oregon Potato Company WA | Manufacturing | 1 | $250,000 | F |
| Oregon Spice Company OR | Manufacturing | 0 | - | F |
| Oregon Staff Company LLC OR | Administrative & Waste Services | 0 | - | F |
| Oregon State Hospital-Oregon Health Authority OR | Healthcare & Social Assistance | 0 | - | F |
| Oregon State University OR | Educational Services | 103 | $81,784 | C |
| Oregon Tool, Inc OR | Manufacturing | 2 | $128,086 | F |
| Oregon Tool, Inc. IL | Transportation & Warehousing | 0 | - | A |
| Oregon Tool, Inc. MO | Manufacturing | 0 | - | F |
| Oregon Truss Co Inc OR | Manufacturing | 0 | - | D |
| Oregon Youth Authority OR | Public Administration | 0 | - | F |
| OReilly Technology Services, Inc. MO | Retail Trade | 4 | $135,776 | - |