| Optimus Health Analytics, LLC NY | Information & Media | 3 | $118,433 | - |
| Optimus Services Corp. NY | Healthcare & Social Assistance | 4 | $88,941 | - |
| Optimus SteeL LLC TX | Manufacturing | 2 | $93,983 | F |
| Optimus Technologies, Inc. PA | Manufacturing | 2 | $128,000 | - |
| Optimus Unit LLC TX | Professional & Technical Services | 3 | $77,418 | - |
| Optimuss INC VA | Professional & Technical Services | 4 | $157,400 | - |
| Optio Solutions LLC, dba Optio Solutions CA | - | 0 | - | - |
| Option Care Enterprises, Inc. IL | - | 1 | $111,509 | - |
| Option One Corporation CA | Construction | 0 | - | F |
| Options for All, Inc. CA | Other Services | 1 | $82,000 | - |
| 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 | 5 | $127,254 | - |
| Optivent Group INC IL | Professional & Technical Services | 17 | $104,926 | - |
| Optiver Execution Operations LLC IL | Finance & Insurance | 1 | $175,000 | - |
| Optiver Services US LLC IL | Finance & Insurance | 33 | $200,000 | - |
| Optiviq Inc. WA | - | 2 | $146,500 | - |
| 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 | 2 | $140,000 | - |
| Optomi, LLC GA | Professional & Technical Services | 3 | $152,533 | - |
| Optoro, Inc. DC | Information & Media | 1 | $132,840 | A |
| Optro, Inc. DE | - | 5 | $175,000 | - |
| 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 | 14 | $144,073 | - |
| 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 Select Management, Inc. MN | - | 1 | $101,774 | - |
| 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 | 473 | $129,042 | - |
| Optum Technology 2019 MN | - | 0 | - | - |
