| ZMC | Scottsdale | 85253 | 7 - ARIZONA@WORK - Maricopa County | May 02, 2016 | WARN | 
| Zip Recruiter | Tempe | 85281 | 7 - ARIZONA@WORK - Maricopa County | Mar 27, 2020 | WARN | 
| ZipRealty |  |  | 7 - ARIZONA@WORK - Maricopa County | Nov 29, 2010 | WARN | 
| ZILLOW GROUP, Inc. | Scottsdale | 85251 | 7 - ARIZONA@WORK - Maricopa County | Nov 04, 2021 | WARN | 
| ZF Passive Safety Systems US inc. | Mesa | 85212 | 7 - ARIZONA@WORK - Maricopa County | Mar 27, 2020 | WARN | 
| ZenniHome -  Navajo Homes | Page | 86040 | 10 - ARIZONA@WORK - Coconino County | Jul 16, 2025 | Non-WARN | 
| Zenith Education Group | Tempe | 85284 | 7 - ARIZONA@WORK - Maricopa County | Apr 27, 2015 | WARN | 
| Zenefits | Tempe | 85281 | 7 - ARIZONA@WORK - Maricopa County | Feb 09, 2017 | WARN | 
| Zeco Systems, Inc. | Los Angeles | 90021 | 7 - ARIZONA@WORK - Maricopa County | Aug 18, 2025 | WARN | 
| Yuma Primary Care | Yuma | 85364 | 9 - ARIZONA@WORK - Yuma County | Aug 01, 2025 | Non-WARN | 
| Yuma Hospitality LLC DBA Rivers Edge Assisted Living | Yuma | 85364 | 9 - ARIZONA@WORK - Yuma County | Mar 13, 2023 | Non-WARN | 
| YMCA - Yuma | Yuma | 85364 | 9 - ARIZONA@WORK - Yuma County | Jun 12, 2023 | Non-WARN | 
| Yelp |  |  | 7 - ARIZONA@WORK - Maricopa County | Apr 09, 2020 | WARN | 
| Yellow Corporation | Phoenix | 85043 | 5 - ARIZONA@WORK - City of Phoenix | Aug 01, 2023 | WARN | 
| XPO Logistics | Phoenix | 85043 | 5 - ARIZONA@WORK - City of Phoenix | Jan 29, 2021 | Non-WARN | 
| XPO Logistics | Phoenix | 85043 | 5 - ARIZONA@WORK - City of Phoenix | Jan 29, 2021 | Non-WARN | 
| Xchange Leasing LLC (XCL) |  |  | 5 - ARIZONA@WORK - City of Phoenix | Oct 31, 2017 | WARN | 
| Xanterra L.L.C. | Grand Canyon | 86023 |  | Oct 29, 2014 | WARN | 
| Xanodyne Pharamaceuticals |  |  | 7 - ARIZONA@WORK - Maricopa County | Sep 21, 2010 | WARN | 
| Wyndam Vaction ownerhsip, Inc. (Company) | Scottsdale | 85251 | 7 - ARIZONA@WORK - Maricopa County | Nov 07, 2012 | WARN | 
| World View Aerospace | Tucson | 85756 | 6 - ARIZONA@WORK - Pima | Apr 15, 2020 | Non-WARN | 
| World Pay (Bantiv) | Chandler | 85226 | 7 - ARIZONA@WORK - Maricopa County | Aug 29, 2018 | Non-WARN | 
| Willow (CPES) | Phoenix | 85011 | 5 - ARIZONA@WORK - City of Phoenix | May 18, 2020 | WARN | 
| William Dale Young & Sons, Inc., Cocopah Nurseries | Dateland | 85333 | 9 - ARIZONA@WORK - Yuma County | Mar 11, 2013 | WARN | 
| Wild River Family Entertainment Center | Somerton | 85350 | 9 - ARIZONA@WORK - Yuma County | Apr 07, 2020 | WARN |