| Zurn-Elkay Water Solutions NC | Manufacturing | 0 | — | A |
| Zurn-Elkay Water Solutions PA | Manufacturing | 0 | — | A |
| ZURU LLC CA | Wholesale Trade | 2 | $102,170 | — |
| ZURU Tech US LLC CA | Professional & Technical Services | 1 | $91,832 | — |
| zuse inc CT | Manufacturing | 0 | — | A |
| ZUST BACHMEIER OF SWITZERLAND MD | Transportation & Warehousing | 0 | — | A |
| Zutat Feed Solutions, LLC IL | Manufacturing | 0 | — | C |
| ZUZIS L.L.C. NJ | Information & Media | 1 | $75,640 | — |
| ZVI Construction LLC MA | Construction | 0 | — | A |
| Zwanenberg Food Group OH | Manufacturing | 0 | — | B |
| Zwanenberg Food Group TN | Manufacturing | 0 | — | A |
| Zwanenberg Food Group USA OH | Manufacturing | 0 | — | F |
| Zwanger-Pesiri Radiology Group (26 Long Island sites) NY | — | 0 | — | — |
| Zwanger-Pesiri Radiology Group (8 NYC sites) NY | — | 0 | — | — |
| Zweigle's Inc. NY | Manufacturing | 0 | — | B |
| Zwick Construction UT | Construction | 0 | — | A |
| Zwicky Processing and Recycling Inc PA | Administrative & Waste Services | 0 | — | F |
| Zwift Inc. CA | Information & Media | 1 | $132,000 | — |
| Zwirner Equipment Company TN | Manufacturing | 0 | — | F |
| ZwitterCo, Inc MA | Utilities | 0 | — | A |
| ZWP INTERNATIONAL INC. CA | Professional & Technical Services | 1 | $64,397 | — |
| ZXP Technologies LLC TX | Manufacturing | 0 | — | C |
| Zydus Pharmaceuticals NJ | Manufacturing | 0 | — | A |
| ZYDUS PHARMACEUTICALS USA, INC. NJ | Manufacturing | 1 | $137,000 | — |
| Zygo Corporation CT | Manufacturing | 2 | $99,276 | — |
| Zyklus Heat Transfer, Inc. TX | Manufacturing | 0 | — | C |
| Zylidac Bio LLC CA | Manufacturing | 1 | $135,000 | — |
| Zylo, Inc. IN | Information & Media | 1 | $160,000 | — |
| ZYLOG SYSTEMS LTD DBA ZSL INC NJ | Professional & Technical Services | 1 | $157,997 | — |
| ZYLTECH ENGINEERING LLC TX | Manufacturing | 1 | $120,640 | — |
| Zymebalanz LLC CA | Information & Media | 1 | $117,291 | — |
| Zymergen CA | Professional & Technical Services | 0 | — | A |
| ZYMO SOLUTIONS LLC VA | Professional & Technical Services | 1 | $101,000 | — |
| ZymoChem, Inc. CA | Professional & Technical Services | 2 | $104,375 | — |
| ZymoGenetics WA | — | 0 | — | — |
| Zymphony FL | Wholesale Trade | 0 | — | A |
| Zynex Medical Inc. CO | Manufacturing | 1 | $58,448 | — |
| Zynga OR | — | 0 | — | — |
| Zynga Inc. NY | — | 0 | — | — |
| Zynga Inc. TX | — | 0 | — | — |
| Zynga Inc. WA | — | 0 | — | — |
| Zynga Inc. (Zynga Mobile) NY | — | 0 | — | — |
| Zynga Inc.-Austin TX | — | 0 | — | — |
| Zynga, Inc. CA | Information & Media | 6 | $150,450 | — |
| Zyon Digital Solutions LLC TX | Professional & Technical Services | 1 | $84,094 | — |
| Zyscovich LLC FL | Professional & Technical Services | 2 | $65,858 | — |
| Zyter Inc MD | Professional & Technical Services | 6 | $120,833 | — |
| Zytus, Inc. VA | Professional & Technical Services | 3 | $125,482 | — |
| ZYWIE, INC. GA | Professional & Technical Services | 1 | $105,227 | — |
| Zyxel Communications, Inc. CA | Wholesale Trade | 0 | — | A |