| Optimum Low Voltage NC | Construction | 0 | — | A |
| Optimum Media, LLC NY | Information & Media | 4 | $137,606 | — |
| Optimum RV MI LLC MI | Retail Trade | 0 | — | A |
| Optimum RV PA LLC PA | Retail Trade | 0 | — | A |
| Optimum RV TX LLC TX | Retail Trade | 0 | — | A |
| Optimum Staffing, Inc. dba Optimum Logistic Solutions IL | Administrative & Waste Services | 0 | — | F |
| OPTIMUM SYSTEMS INC. VA | Professional & Technical Services | 1 | $96,000 | — |
| Optimum Window Mfg Corp NY | Manufacturing | 0 | — | F |
| Optimum, Inc. CA | Construction | 0 | — | F |
| Optimums LLC WA | Wholesale Trade | 1 | $70,000 | — |
| Optimus Courier LLC MN | Transportation & Warehousing | 0 | — | B |
| Optimus Health Analytics, LLC NY | Information & Media | 3 | $118,433 | — |
| Optimus LLC TX | Administrative & Waste Services | 0 | — | A |
| Optimus OE Solutions PA | Wholesale Trade | 0 | — | A |
| Optimus Services Corp. NY | Healthcare & Social Assistance | 1 | $83,720 | — |
| Optimus SteeL LLC TX | Manufacturing | 2 | $93,983 | F |
| Optimus Technologies, Inc. PA | Manufacturing | 2 | $128,000 | — |
| OPTIMUS UNIT LLC TX | Professional & Technical Services | 2 | $112,923 | — |
| OPTIMUSS INC VA | Professional & Technical Services | 2 | $101,337 | — |
| Optio Solutions LLC, dba Optio Solutions CA | — | 0 | — | — |
| Option 1 Nutrition Solutions, LLC DBA Aveanna Healthcare AS, LLC NV | Healthcare & Social Assistance | 0 | — | A |
| Option Care Enterprise CA | Healthcare & Social Assistance | 0 | — | A |
| Option Care Enterprise IL | Healthcare & Social Assistance | 0 | — | A |
| Option Care Enterprise VA | Healthcare & Social Assistance | 0 | — | A |
| Option One Corporation CA | Construction | 0 | — | F |
| Option Services Inc KS | Healthcare & Social Assistance | 0 | — | C |
| Options Family MN | Healthcare & Social Assistance | 0 | — | A |
| Options Family of Services, Inc CA | Healthcare & Social Assistance | 0 | — | F |
| Options for All, Inc. CA | Other Services | 1 | $82,000 | — |
| Options for Learning CA | — | 0 | — | — |
| Options for Southern Oregon OR | Healthcare & Social Assistance | 0 | — | A |
| 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 Minnesota MN | Healthcare & Social Assistance | 0 | — | F |
| Options Schools, Inc. IN | Educational Services | 1 | $76,020 | — |
| OptiPro Systems NY | Manufacturing | 0 | — | D |
| 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 | — |
| Optivest Properties UT | Real Estate | 0 | — | A |
| Optivest Properties Co AZ | Real Estate | 0 | — | A |
| Optivest Properties Co CA | Management of Companies | 0 | — | A |
| Optivest Properties Co MA | Real Estate | 0 | — | A |
| Optivest Properties Co NH | Management of Companies | 0 | — | A |
| Optivest Properties Co NM | Management of Companies | 0 | — | A |
| Optivest Properties Co NV | Management of Companies | 0 | — | A |
| Optivest Properties Co TX | Management of Companies | 0 | — | A |
