| Options for Learning CA | - | 0 | - | - |
| Options For Youth Public San Gabriel Charter CA | - | 0 | - | - |
| Options for Youth-Victor Valley, Inc. CA | - | 0 | - | - |
| Options in Community Living WI | Healthcare & Social Assistance | 0 | - | F |
| Options Schools, Inc. IN | Educational Services | 1 | $76,020 | - |
| Optis Consulting Inc NY | Professional & Technical Services | 1 | $131,706 | - |
| Optiv Security Inc. KS | Professional & Technical Services | 4 | $136,747 | - |
| Optivent Group INC IL | Professional & Technical Services | 7 | $126,455 | - |
| Optiver Execution Operations LLC IL | Finance & Insurance | 1 | $175,000 | - |
| Optiver Services US LLC IL | Finance & Insurance | 19 | $164,737 | - |
| 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 |
| 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 | - |
| 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 Inspection Inc. CT | Other Services | 0 | - | F |
| Opus One Winery LLC CA | Manufacturing | 0 | - | C |
| Opus Packaging MI | Manufacturing | 0 | - | F |
| Opus Packaging OH | Manufacturing | 0 | - | F |
