| 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 Brothers Logging LLC OR | Agriculture & Forestry | 0 | — | F |
| Olson Brothers Pro-Vac, LLC WA | Administrative & Waste Services | 0 | — | D |
| Olson Carriers Inc MN | Transportation & Warehousing | 0 | — | B |
| Olson Fabrication, Inc. WI | Manufacturing | 0 | — | F |
| Olson Farms NE | Agriculture & Forestry | 0 | — | F |
| Olson Kundig, Inc. WA | Professional & Technical Services | 2 | $79,750 | — |
| OLSON MEAT COMPANY INC CA | Manufacturing | 0 | — | F |
| Olson Plumbing & Heating CO | Construction | 0 | — | F |
| OLSON PRECAST OF ARIZONA AZ | Manufacturing | 0 | — | F |
| Olson Technologies PA | Manufacturing | 0 | — | F |
| Olson Tool & Plastics, Inc. MN | Manufacturing | 0 | — | A |
| Olson Visual Inc. CA | Manufacturing | 0 | — | F |
| OLSSON INDUSTRIAL ELECTRIC INC OR | Construction | 0 | — | A |
| Olsson Roofing Co., Inc. IL | Construction | 0 | — | C |
| 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 |
| Olymbec USA LLC TN | Real Estate | 0 | — | F |
| Olymco Inc. OH | Manufacturing | 0 | — | A |
| Olympak MN | — | 0 | — | — |
| Olympia NH | Accommodation & Food Services | 0 | — | A |
| Olympia - Miami FL | Wholesale Trade | 0 | — | A |
| Olympia - West Palm Beach FL | Wholesale Trade | 0 | — | F |
| Olympia Chimney PA | Manufacturing | 0 | — | F |
| OLYMPIA COMMUNITY UNIT SCHOOL DISTRICT #16 IL | Educational Services | 0 | — | C |
| Olympia Equity Investors V, LLC. ME | Accommodation & Food Services | 0 | — | A |
| Olympia Food Industries Inc IL | Manufacturing | 0 | — | B |
| Olympia Health Inc. WA | Healthcare & Social Assistance | 2 | $630,000 | — |
| Olympia Hospitality NH | Accommodation & Food Services | 0 | — | A |
| Olympia Hotel Management NH | Administrative & Waste Services | 0 | — | F |
| Olympia Hotel Management SC | Accommodation & Food Services | 0 | — | F |
| Olympia Hotels CT | Accommodation & Food Services | 0 | — | A |
| Olympia Luxury Coaches TN | Retail Trade | 0 | — | F |
| Olympia Medical Center CA | — | 0 | — | — |
| Olympia Miami FL | Wholesale Trade | 0 | — | A |
| OLYMPIA MOVING & STORAGE MA | Transportation & Warehousing | 0 | — | F |
| Olympia Plumbing Corp FL | Construction | 0 | — | F |
| Olympia Processing, LLC WA | Manufacturing | 0 | — | D |
| Olympia Regional Airport, Swantown Marina and Boatworks WA | Transportation & Warehousing | 0 | — | C |
| Olympia Sales Company UT | Manufacturing | 0 | — | D |
| Olympia Sports Warehouse ME | — | 0 | — | — |
| Olympia Trails Bus Co. NJ | Transportation & Warehousing | 0 | — | A |
| Olympia West Palm Beach FL | Wholesale Trade | 0 | — | F |
| Olympia/Smart Hotels Durham LLC NC | Accommodation & Food Services | 0 | — | A |
| Olympian Construction Company, LLC TN | Construction | 0 | — | A |