| OREGON LABOR SUPPLY LLC OR | Construction | 0 | — | F |
| OREGON METAL SERVICES OR | Wholesale Trade | 0 | — | F |
| 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 Overseas Timber Co Inc OR | Manufacturing | 0 | — | A |
| Oregon Pacific Leasing, Inc dba Roto-Rooter OR | Administrative & Waste Services | 0 | — | F |
| Oregon Potato Comany OR | Manufacturing | 0 | — | F |
| Oregon Potato Company OR | Manufacturing | 0 | — | F |
| Oregon Potato Company WA | Manufacturing | 1 | $250,000 | F |
| Oregon Pride Nursery OR | Wholesale Trade | 0 | — | F |
| Oregon rootstock and Tree Co.,Inc. OR | Agriculture & Forestry | 0 | — | A |
| Oregon Screen Impressions Inc OR | Manufacturing | 0 | — | A |
| Oregon Skyway LLC OR | Arts & Entertainment | 0 | — | F |
| Oregon Spice Company OR | Manufacturing | 0 | — | F |
| Oregon Staff Company LLC OR | Administrative & Waste Services | 0 | — | F |
| Oregon State Bridge Construction, Inc. OR | Construction | 0 | — | A |
| Oregon State Hospital-Oregon Health Authority OR | Healthcare & Social Assistance | 0 | — | F |
| Oregon State Lottery OR | Arts & Entertainment | 0 | — | A |
| Oregon State University OR | Educational Services | 103 | $81,784 | C |
| Oregon Tool, Inc OR | Manufacturing | 2 | $128,086 | F |
| Oregon Tool, Inc. AZ | Manufacturing | 0 | — | F |
| Oregon Tool, Inc. IL | Transportation & Warehousing | 0 | — | A |
| Oregon Tool, Inc. MO | Manufacturing | 0 | — | F |
| Oregon Trail Electric Cooperative OR | Utilities | 0 | — | A |
| Oregon Travel Information Council OR | Administrative & Waste Services | 0 | — | F |
| Oregon Travel Information Councile OR | Administrative & Waste Services | 0 | — | A |
| Oregon Truss Co Inc OR | Manufacturing | 0 | — | D |
| OREGON VETERANS HOME OR | Healthcare & Social Assistance | 0 | — | F |
| Oregon Web Press OR | Manufacturing | 0 | — | A |
| Oregon Youth Authority OR | Public Administration | 0 | — | F |
| OReilly Technology Services, Inc. MO | Retail Trade | 4 | $135,776 | — |
| Orem Rehabilitation & Nursing Center UT | Healthcare & Social Assistance | 0 | — | F |
| OREMDA INFOTECH INC. MN | Professional & Technical Services | 6 | $88,675 | — |
| OREMDA INFOTECH INC. TX | Professional & Technical Services | 1 | $91,562 | — |
| Oremor of Glendale LLC, dba Toyota of Glendale CA | — | 0 | — | — |
| Oremor of Temecula LLC dba Temecula Valley Toyota/Scion CA | — | 0 | — | — |
| Oremor of Tustin Inc. dba Tustin Toyota CA | — | 0 | — | — |
| Oremor of Woodland Hills LLC, dba Lexus of Woodland Hills CA | — | 0 | — | — |
| Oren International FL | Manufacturing | 0 | — | F |
| Orenco Systems, Inc. OR | Manufacturing | 0 | — | F |
| Orenco Systems, Ind OR | Manufacturing | 0 | — | F |
| ORENS BROTHERS REAL ESTATE INC PA | Construction | 0 | — | F |
| Orentreich Foundation for the Advancement of Science, Inc. NY | Professional & Technical Services | 1 | $115,000 | — |
| OrePac Holding Company AZ | Wholesale Trade | 0 | — | F |
| OrePac Holding Company CA | Wholesale Trade | 0 | — | F |
| OrePac Holding Company CO | Wholesale Trade | 0 | — | F |
| OrePac Holding Company ID | Wholesale Trade | 0 | — | F |
