| Omega Shipyard Inc. MS | Manufacturing | 0 | — | F |
| Omega Solutions Inc. CA | Professional & Technical Services | 2 | $134,537 | — |
| Omega Steel, Inc. GA | Manufacturing | 0 | — | A |
| Omega Technical Services LLC TX | Utilities | 8 | $196,050 | — |
| Omega Thermo Products, LLC WI | Manufacturing | 0 | — | F |
| OMEGA TOOL INC WI | Manufacturing | 0 | — | A |
| Omega Tool Measuring Machines Inc. NY | Manufacturing | 0 | — | A |
| Omegascapes FL | Administrative & Waste Services | 0 | — | C |
| Omegasoft International Inc FL | Professional & Technical Services | 1 | $100,797 | — |
| OMEI RESTAURANT GROUP FL | Accommodation & Food Services | 0 | — | A |
| Omen Technologies LLC CA | Professional & Technical Services | 1 | $115,000 | — |
| Omen Technologies LLC NY | Professional & Technical Services | 1 | $115,000 | — |
| OMER North America Corporation MI | Manufacturing | 1 | $74,131 | — |
| Omeros Corporation WA | Professional & Technical Services | 1 | $245,000 | — |
| OMEX PA | Administrative & Waste Services | 0 | — | A |
| OMF - Virginia Beach, INC. VA | Manufacturing | 0 | — | A |
| OMF CINCINNATI INC OH | Manufacturing | 0 | — | F |
| OMF Orlando FL | Manufacturing | 0 | — | A |
| OMF Pittsburgh, Inc. dba The Original Mattress Factory PA | Manufacturing | 0 | — | F |
| OMF Services, LLC IN | Professional & Technical Services | 3 | $124,044 | — |
| OMF St. Paul, Inc MN | Manufacturing | 0 | — | F |
| OMG Midwest MN | Construction | 0 | — | A |
| OMG Thrift LLC FL | Retail Trade | 0 | — | F |
| OMG, Inc. IL | Manufacturing | 0 | — | F |
| OMG, Inc. MN | Manufacturing | 0 | — | F |
| OMG, Inc. NC | Wholesale Trade | 0 | — | A |
| OMH-HealthEdge Holding, Inc. FL | Professional & Technical Services | 1 | $110,000 | — |
| OMI Industries Inc. IL | Wholesale Trade | 0 | — | A |
| OMI Industries Inc. IN | Wholesale Trade | 0 | — | C |
| OMI LLC dba Bisco PA | Construction | 0 | — | D |
| OMI Management U.S. Limited Partnership NY | Finance & Insurance | 1 | $140,000 | — |
| OMi. Crane Systems Inc. TX | Manufacturing | 0 | — | C |
| OMICELO Construction Group PA | Construction | 0 | — | F |
| OMICO Inc. KY | Manufacturing | 0 | — | F |
| Omicron Media Inc. FL | Professional & Technical Services | 1 | $128,128 | — |
| Ominplex VA | — | 0 | — | — |
| Omix-ADA GA | Wholesale Trade | 0 | — | C |
| OML, Inc. NY | Professional & Technical Services | 2 | $81,070 | — |
| Omlet Stack, Inc. CA | Professional & Technical Services | 2 | $250,000 | — |
| Ommo Technologies, Inc. TX | Professional & Technical Services | 2 | $90,626 | — |
| Omneky, Inc. CA | Professional & Technical Services | 2 | $170,000 | — |
| OmneVision LLC WY | Professional & Technical Services | 1 | $91,520 | — |
| Omni Aerospace, Inc KS | Manufacturing | 0 | — | D |
| Omni Apparatech, Inc. MO | Manufacturing | 2 | $85,723 | — |
| Omni Berkshire Corporation NY | Accommodation & Food Services | 0 | — | F |
| Omni Berkshire Corporation dba Omni Berkshire Place Hotel NY | — | 0 | — | — |
| Omni Business Systems Inc TX | Administrative & Waste Services | 0 | — | F |
| Omni Charlotte Hotel NC | — | 0 | — | — |
| OMNI Charlottesville Hotel VA | — | 0 | — | — |
| Omni Chicago Hotel IL | — | 0 | — | — |
