| O'Neal Inc. SC | Professional & Technical Services | 0 | — | A |
| O'Neal Industries AL | Wholesale Trade | 0 | — | B |
| O'Neal Industries AR | Wholesale Trade | 0 | — | A |
| O'Neal Industries CA | Wholesale Trade | 0 | — | D |
| O'Neal Industries FL | Wholesale Trade | 0 | — | C |
| O'Neal Industries GA | Wholesale Trade | 0 | — | B |
| O'Neal Industries IA | Wholesale Trade | 0 | — | F |
| O'Neal Industries IL | Wholesale Trade | 0 | — | F |
| O'Neal Industries IN | Wholesale Trade | 0 | — | C |
| O'Neal Industries KS | Wholesale Trade | 0 | — | D |
| O'Neal Industries KY | Manufacturing | 0 | — | A |
| O'Neal Industries LA | Wholesale Trade | 0 | — | A |
| O'Neal Industries MS | Wholesale Trade | 0 | — | C |
| O'Neal Industries NC | Wholesale Trade | 0 | — | B |
| O'Neal Industries NJ | Manufacturing | 0 | — | F |
| O'Neal Industries OH | Wholesale Trade | 0 | — | A |
| O'Neal Industries PA | Wholesale Trade | 0 | — | A |
| O'Neal Industries TN | Wholesale Trade | 0 | — | D |
| O'Neal Industries TX | Manufacturing | 0 | — | D |
| O'Neal Industries WA | Wholesale Trade | 0 | — | C |
| O'NEAL JR. ROOFING, INC. FL | Construction | 0 | — | D |
| O'Neal Manufacturing PA | Manufacturing | 0 | — | A |
| O'Neal Manufacturing Services IN | Manufacturing | 0 | — | F |
| O'Neal Manufacturing Services Louisville KY | Manufacturing | 0 | — | F |
| O'Neal Melton And Sons, Inc. TN | Transportation & Warehousing | 0 | — | A |
| O'Neal Roofing Company FL | Construction | 0 | — | A |
| O'Neal Scoggins, Inc. GA | Construction | 0 | — | F |
| O'Neal Steel Incorporated IL | Wholesale Trade | 0 | — | A |
| O'NEAL STEEL MANUFACTURING SERVICES AL | — | 0 | — | — |
| O'Neal's Feeders Supply, Inc. LA | Manufacturing | 0 | — | D |
| O'Neil Awning & Tent Company OH | Real Estate | 0 | — | F |
| O'Neil Data Solutions, LLC CA | Manufacturing | 0 | — | A |
| O'Neil Data Solutions, LLC NC | Manufacturing | 0 | — | C |
| O'Neil Data Solutions, LLC TX | Manufacturing | 0 | — | B |
| O'Neil Digital Solutions, LLC CA | Manufacturing | 1 | $197,358 | — |
| O'Neil Industries Inc. (OII) CO | Construction | 0 | — | A |
| O'Neil Langan Architects, P.C. NY | Professional & Technical Services | 4 | $75,575 | — |
| O'Neil Printing AZ | Manufacturing | 0 | — | B |
| O'Neil Senior Living INC NE | Healthcare & Social Assistance | 0 | — | F |
| O'Neil Trucking and Service Inc. NY | Transportation & Warehousing | 0 | — | A |
| O'Neill Logistics CA LLC CA | Transportation & Warehousing | 0 | — | A |
| O'Neill Logistics Transportation NJ | Transportation & Warehousing | 0 | — | B |
| O'Neill Logistics Transportation CA CA | Transportation & Warehousing | 0 | — | F |
| O'Neill Painting II, Inc. MO | Construction | 0 | — | A |
| O'Neill Steel Fabrication, Inc. WA | Manufacturing | 0 | — | F |
| O'Neill Super Foods NE | Retail Trade | 0 | — | A |
| O'Reilly Auto Parts AK | Retail Trade | 0 | — | B |
| O'Reilly Auto Parts AL | Retail Trade | 0 | — | D |
| O'Reilly Auto Parts AR | Retail Trade | 0 | — | C |
| O'Reilly Auto Parts AZ | Retail Trade | 0 | — | D |