| Orion Engineered Carbons LA | Manufacturing | 0 | — | B |
| Orion Engineered Carbons LLC OH | Manufacturing | 0 | — | A |
| Orion Engineered Carbons LLC TX | Manufacturing | 0 | — | A |
| Orion Engineering Company, Inc. MI | Professional & Technical Services | 2 | $99,309 | — |
| Orion Environmental Inc. CO | Administrative & Waste Services | 0 | — | F |
| Orion Environmental Inc. LA | Administrative & Waste Services | 0 | — | A |
| Orion Environmental Inc. MO | Administrative & Waste Services | 0 | — | A |
| Orion Food Systems, LLC SD | Manufacturing | 0 | — | D |
| Orion Group Holdings FL | Construction | 0 | — | A |
| Orion Group Holdings TX | Construction | 0 | — | A |
| Orion Group Management Inc. NY | Finance & Insurance | 1 | $265,000 | — |
| ORION HEALTH, INC. MA | Professional & Technical Services | 1 | $300,000 | — |
| Orion Homes AZ | Healthcare & Social Assistance | 0 | — | D |
| Orion II Construction, Inc. MI | Construction | 0 | — | A |
| Orion Industries WA | Manufacturing | 0 | — | F |
| ORION INDUSTRIES INCORPORATED MA | Manufacturing | 0 | — | A |
| Orion Industries, LTD IL | Manufacturing | 0 | — | F |
| Orion ISO MN | Administrative & Waste Services | 0 | — | A |
| Orion Labels, LLC WI | Manufacturing | 0 | — | A |
| Orion Logistics LLC CO | Transportation & Warehousing | 0 | — | F |
| Orion Logistics LLC - Amazon Delivery Service Partner CO | — | 0 | — | — |
| Orion Managed Services, LLC. CA | Agriculture & Forestry | 0 | — | C |
| ORION MANUFACTURING INC MI | Manufacturing | 0 | — | F |
| Orion Oaks Assisted Living and Memory Care MI | Healthcare & Social Assistance | 0 | — | F |
| Orion Pax Inc NV | Transportation & Warehousing | 0 | — | F |
| Orion Pharma, Inc. FL | Manufacturing | 1 | $207,000 | — |
| Orion Plastics CA | Manufacturing | 0 | — | F |
| Orion RED RI | Manufacturing | 0 | — | F |
| Orion Ropeworks Inc ME | Manufacturing | 0 | — | A |
| Orion Safety Products MD | — | 0 | — | — |
| Orion Strategic Solutions LLC CA | — | 0 | — | — |
| Orion Strategic Solutions, LLC VA | Transportation & Warehousing | 0 | — | A |
| Orion Systems Integrators LLC NJ | Professional & Technical Services | 58 | $129,770 | — |
| Orion Utility Contractors CT | Construction | 0 | — | A |
| Orion Water Solutions, LLC TX | Construction | 1 | $130,000 | — |
| Orion's Harp LLC MD | Transportation & Warehousing | 0 | — | C |
| Oriontek Inc. GA | Professional & Technical Services | 12 | $107,540 | — |
| Orior By Design US Incorporated NY | Manufacturing | 1 | $111,842 | — |
| Oriskany Manufacturing Technologies NY | Manufacturing | 0 | — | A |
| Orizon KS | Manufacturing | 0 | — | F |
| Orizon MO | Management of Companies | 0 | — | A |
| Orizon OK | Manufacturing | 0 | — | F |
| Orizon Aerostructures KS | Management of Companies | 0 | — | A |
| Orizon Processing KS | Manufacturing | 0 | — | F |
| Orladc LLC WA | Retail Trade | 0 | — | A |
| Orland Fire Protection District IL | Public Administration | 0 | — | F |
| Orlandi, Inc. NY | — | 0 | — | — |
| Orlando Airport Marriott Lakeside FL | — | 0 | — | — |
| Orlando Baking Company OH | Manufacturing | 0 | — | F |
| Orlando Banquets In. MO | Accommodation & Food Services | 0 | — | F |