| Zeigler Hoffman Estates I, LLC IL | Retail Trade | 0 | — | A |
| Zeigler Hoffman Estates II IL | Retail Trade | 0 | — | A |
| Zeigler Kenosha Subaru WI | Retail Trade | 0 | — | A |
| Zeigler Merrillville IN | Retail Trade | 0 | — | B |
| Zeigler Racine Honda WI | Retail Trade | 0 | — | A |
| Zeigler Racine Hyundai WI | Retail Trade | 0 | — | C |
| Zeigler Racine Toyota WI | Retail Trade | 0 | — | A |
| Zeigler Schaumburg IV IL | Retail Trade | 0 | — | A |
| Zeiser Wilbert Vault, Inc. NY | Manufacturing | 0 | — | F |
| Zeiss MN | Manufacturing | 0 | — | F |
| Zeitgeist Center for Arts and Community MN | Accommodation & Food Services | 0 | — | F |
| Zeitner & Sons, Inc NE | Transportation & Warehousing | 0 | — | A |
| Zeitro, Inc. CA | Finance & Insurance | 2 | $123,531 | — |
| ZEJJ Hospitality Group, LLC VI | Accommodation & Food Services | 0 | — | A |
| Zeke's Pueblo Mexicano TX | Retail Trade | 0 | — | C |
| Zekelman PA | Manufacturing | 0 | — | F |
| Zekelman Industires PA | Manufacturing | 0 | — | F |
| Zekelman Industries AL | Manufacturing | 0 | — | F |
| Zekelman Industries CA | Manufacturing | 0 | — | F |
| Zekelman Industries IL | Manufacturing | 0 | — | F |
| Zekelman Industries MO | Manufacturing | 0 | — | F |
| Zekelman Industries OH | Manufacturing | 0 | — | F |
| Zekelman Industries dba Western Tube CA | — | 0 | — | — |
| ZEKS Compressed Air Solutions PA | Manufacturing | 0 | — | F |
| Zeku, Inc. CA | — | 0 | — | — |
| Zelantetech LLC TX | Professional & Technical Services | 5 | $105,102 | — |
| ZELECLOUD LLC NC | Professional & Technical Services | 11 | $112,531 | — |
| Zeledyne OK | — | 0 | — | — |
| Zelenka Farms MI | — | 0 | — | — |
| Zelenka Farms OK | — | 0 | — | — |
| Zelenka Farms - BFN Operations, LLC OR | — | 0 | — | — |
| Zelham, Inc. ID | Construction | 0 | — | F |
| Zelinsky Company HI | Construction | 0 | — | F |
| Zelis Healthcare, LLC MA | Finance & Insurance | 4 | $138,396 | — |
| Zeller & Gmelin Corp VA | Wholesale Trade | 0 | — | A |
| Zeller & Gmelin Corporation AZ | Manufacturing | 0 | — | A |
| Zeller & Gmelin Corporation CA | Manufacturing | 0 | — | A |
| Zeller & Gmelin Corporation IL | Manufacturing | 0 | — | A |
| Zeller & Gmelin Corporation IN | Manufacturing | 0 | — | A |
| Zeller & Gmelin Corporation KS | Manufacturing | 0 | — | A |
| Zeller & Gmelin Corporation KY | Manufacturing | 0 | — | A |
| Zeller & Gmelin Corporation MD | Manufacturing | 0 | — | A |
| Zeller & Gmelin Corporation MO | Manufacturing | 0 | — | — |
| Zeller & Gmelin Corporation NC | Manufacturing | 0 | — | A |
| Zeller & Gmelin Corporation NE | Manufacturing | 0 | — | A |
| Zeller & Gmelin Corporation NJ | Manufacturing | 0 | — | A |
| Zeller & Gmelin Corporation NV | Manufacturing | 0 | — | A |
| Zeller & Gmelin Corporation TX | Manufacturing | 0 | — | A |
| Zeller Electric Inc. IL | Construction | 0 | — | C |
| Zeller Transportation WI | Transportation & Warehousing | 0 | — | C |
