| Zoeller Pump Company KY | Manufacturing | 0 | — | F |
| Zoetis IA | Manufacturing | 0 | — | A |
| Zoetis IL | Manufacturing | 0 | — | A |
| Zoetis MI | Manufacturing | 0 | — | A |
| Zoetis NC | Manufacturing | 0 | — | A |
| Zoetis NE | Manufacturing | 0 | — | A |
| Zoetis LLC MD | Manufacturing | 0 | — | A |
| Zoetis LLC WV | Manufacturing | 0 | — | C |
| Zoetis Llc. CA | Manufacturing | 0 | — | B |
| Zoetis, Inc. NJ | Manufacturing | 21 | $139,615 | — |
| Zoftec, LLC AZ | Professional & Technical Services | 2 | $143,136 | — |
| Zogenix Inc CA | Manufacturing | 0 | — | A |
| Zoho Corporation CA | Information & Media | 2 | $132,143 | — |
| Zoho Technologies CA | Information & Media | 1 | $166,951 | — |
| Zola Electric Labs, Inc. CA | Construction | 3 | $163,333 | — |
| Zoladz Construction Co., Inc. NY | Construction | 0 | — | D |
| ZOLL CMS CA | Manufacturing | 0 | — | A |
| ZOLL CMS PA | Manufacturing | 0 | — | A |
| ZOLL LifeVest Holdings PA | Manufacturing | 1 | $131,699 | — |
| Zoll Manufacturing Corporation PA | Manufacturing | 1 | $135,980 | — |
| ZOLL Medical Corporation CA | — | 0 | — | — |
| Zoll Medical Corporation MA | Manufacturing | 3 | $157,483 | A |
| Zoll Medical Corporation RI | Manufacturing | 0 | — | F |
| ZOLL Medical Corporation WI | Manufacturing | 0 | — | F |
| ZOLL Respicardia, Inc MN | Manufacturing | 1 | $83,353 | — |
| ZOLLER Inc. MI | Wholesale Trade | 1 | $82,000 | — |
| Zolman Restoration, LLC MI | Construction | 0 | — | C |
| Zolon Tech Solutions, Inc. VA | Professional & Technical Services | 2 | $131,632 | — |
| Zolon Tech, Inc. VA | Professional & Technical Services | 1 | $92,350 | — |
| Zoltenko Farms, Inc. KS | Agriculture & Forestry | 0 | — | F |
| ZonaBuilders, LLC AZ | Construction | 0 | — | A |
| Zonar Systems, Inc. WA | Professional & Technical Services | 1 | $80,154 | A |
| Zone Enterprises LLC MO | Manufacturing | 0 | — | A |
| Zone Enterprises of Anaheim, LLC CA | — | 0 | — | — |
| Zone Mechanical IL | Construction | 0 | — | A |
| Zone Mechanical North WI | Construction | 0 | — | A |
| Zone Safety LLC OH | — | 0 | — | — |
| Zone Services Group MO | Manufacturing | 0 | — | A |
| Zones LLC CA | Wholesale Trade | 0 | — | F |
| Zones LLC IL | Wholesale Trade | 0 | — | C |
| Zones, LLC WA | Retail Trade | 0 | — | A |
| Zonestra Technologies LLC TX | Professional & Technical Services | 15 | $93,860 | — |
| Zoneton Fire Protection District KY | Public Administration | 0 | — | D |
| Zonge International, Inc. AZ | Professional & Technical Services | 2 | $80,315 | — |
| Zoni Language Centers Inc NY | Educational Services | 1 | $76,232 | — |
| ZOO Digital Production, LLC CA | Professional & Technical Services | 0 | — | A |
| Zoo Kiss Logistics LLC NJ | Transportation & Warehousing | 0 | — | A |
| Zoo Med Laboratories Inc CA | Wholesale Trade | 0 | — | F |
| ZOO PRINTING KY | — | 0 | — | — |
| Zoo Station, LLC MA | Transportation & Warehousing | 0 | — | A |
