| OptiX Technologies LLC AL | Manufacturing | 1 | $70,000 | — |
| OptML, Inc GA | Professional & Technical Services | 1 | $134,347 | — |
| OPTO International, Inc. IL | Manufacturing | 0 | — | F |
| Opto Biosystems US Inc. CA | Manufacturing | 1 | $156,000 | — |
| Opto Investments, Inc. NY | Information & Media | 1 | $190,000 | — |
| Opto-Alignment Technology, Inc. NC | Manufacturing | 1 | $133,536 | — |
| Optometric Providers of NH, PLLC NH | Healthcare & Social Assistance | 1 | $135,200 | — |
| Optomi, LLC GA | Professional & Technical Services | 3 | $152,533 | — |
| Optoro, Inc. DC | Information & Media | 1 | $132,840 | A |
| OptoTest Corp CA | Manufacturing | 0 | — | A |
| Optronic Laboratories, Inc. FL | Manufacturing | 0 | — | A |
| Optum CA | — | 0 | — | — |
| Optum RI | — | 0 | — | — |
| Optum 2019 MN | — | 0 | — | — |
| Optum Behavioral Care of Colorado, P.C. MN | Healthcare & Social Assistance | 1 | $80,000 | — |
| Optum Care NJ | — | 0 | — | — |
| Optum Care Washington, PLLC MN | Healthcare & Social Assistance | 1 | $319,764 | — |
| Optum Care, Inc. MD | — | 0 | — | — |
| Optum Care, Inc. MN | Healthcare & Social Assistance | 8 | $143,866 | — |
| Optum Health MN | — | 0 | — | — |
| Optum Medical Care NJ | — | 0 | — | — |
| OPTUM MEDICAL CARE OF NEW JERSEY, P.C. NJ | Healthcare & Social Assistance | 2 | $262,261 | — |
| Optum Medical Group II (Rhodes), P.C. NV | Healthcare & Social Assistance | 2 | $355,000 | — |
| Optum Select Management NJ | — | 0 | — | — |
| Optum Services NJ | — | 0 | — | — |
| Optum Services OH | — | 0 | — | — |
| Optum Services Puerto Rico LLC PR | Finance & Insurance | 0 | — | B |
| Optum Services, Inc. MN | Professional & Technical Services | 288 | $128,627 | — |
| Optum Technology 2019 MN | — | 0 | — | — |
| OptumCare NJ | — | 0 | — | — |
| OptumRx CA | — | 0 | — | — |
| OptumRx NV | — | 0 | — | — |
| Optym, Inc. TX | Professional & Technical Services | 3 | $126,333 | — |
| Opulence Information Technologies, Inc. TX | Professional & Technical Services | 1 | $90,000 | — |
| Opulent Transport LLC TX | Transportation & Warehousing | 0 | — | A |
| OPULENTSOFT, LLC. NJ | Professional & Technical Services | 5 | $108,243 | — |
| Opus 1 Music Studio CA | Educational Services | 2 | $99,740 | — |
| Opus Bank CA | — | 0 | — | — |
| Opus Connect, Inc. CA | Professional & Technical Services | 1 | $65,042 | — |
| Opus Design Build, LLC CO | Construction | 0 | — | A |
| Opus Design Build, LLC IL | Construction | 0 | — | A |
| Opus Design Build, LLC MN | Construction | 0 | — | A |
| Opus Inspection Inc. CT | Other Services | 0 | — | F |
| Opus Inspection, Inc. AZ | Other Services | 0 | — | A |
| Opus Inspection, Inc. CA | Other Services | 0 | — | A |
| Opus Inspection, Inc. NY | Other Services | 0 | — | A |
| Opus Inspection, Inc. TX | Other Services | 0 | — | A |
| Opus Inspection, Inc. UT | Other Services | 0 | — | F |
| Opus One Winery LLC CA | Manufacturing | 0 | — | C |
| Opus Packaging IL | Manufacturing | 0 | — | F |
