| King's Seafood Company LLC | Tempe | 85281 | 7 - ARIZONA@WORK - Maricopa County | Mar 24, 2020 | WARN | 
| KIRA Services LLC. | Wellton | 85356 | 9 - ARIZONA@WORK - Yuma County | Jul 17, 2025 | WARN | 
| Kirkland's Home | Yuma | 85365 | 9 - ARIZONA@WORK - Yuma County | Jun 22, 2022 | Non-WARN | 
| Kmart | Phoenix | 85053 | 5 - ARIZONA@WORK - City of Phoenix | Aug 29, 2013 | WARN | 
| Kmart #04996 | Tucson | 85710 | 6 - ARIZONA@WORK - Pima | Dec 27, 2018 | WARN | 
| Kmart Corporation | Phoenix | 85042 | 5 - ARIZONA@WORK - City of Phoenix | Oct 15, 2014 | WARN | 
| Kmart Corporation | Peoria | 85345 | 7 - ARIZONA@WORK - Maricopa County | Oct 04, 2012 | WARN | 
| Kmart  Store # 4269 |  |  | 7 - ARIZONA@WORK - Maricopa County | Oct 15, 2011 | WARN | 
| Kuehne+Nagel | Tempe | 85284 | 7 - ARIZONA@WORK - Maricopa County | Apr 22, 2024 | WARN | 
| La Fonda Restaurant | Yuma | 85364 | 9 - ARIZONA@WORK - Yuma County | Oct 23, 2023 | Non-WARN | 
| La Palma Correctional Facility | Eloy | 85131 |  | Feb 22, 2019 | WARN | 
| L'Auberge de Sedona | Sedona |  |  | Apr 03, 2020 | WARN | 
| LECLERC FOODS NUTRITION ARIZONA, LLC | Phoenix |  | 5 - ARIZONA@WORK - City of Phoenix | Oct 04, 2023 | WARN | 
| Leidos | Prescott  Valley | 86314 |  | May 03, 2019 | WARN | 
| Levy Premium Foodservice Limited Partnership | Chicago | 60611 | 5 - ARIZONA@WORK - City of Phoenix | Jun 26, 2023 | WARN | 
| Life Care Centers of America | Phoenix | 85042 | 5 - ARIZONA@WORK - City of Phoenix | Apr 30, 2015 | WARN | 
| Life Care Centers of America | Mesa | 85206 | 7 - ARIZONA@WORK - Maricopa County | Apr 30, 2015 | WARN | 
| Life Care Centers of America | Tucson | 85704 | 6 - ARIZONA@WORK - Pima | Apr 30, 2015 | WARN | 
| Life Care Centers of America | Prescott | 86301 |  | Apr 30, 2015 | WARN | 
| Life Care Centers of America | Mesa | 85206 | 7 - ARIZONA@WORK - Maricopa County | Apr 30, 2015 | WARN | 
| Life Care Centers of America | Mesa | 85206 | 7 - ARIZONA@WORK - Maricopa County | Apr 30, 2015 | WARN | 
| Life Care Centers of America | Peoria | 85382 | 7 - ARIZONA@WORK - Maricopa County | Apr 30, 2015 | WARN | 
| Life Care Centers of America | Scottsdale | 85251 | 7 - ARIZONA@WORK - Maricopa County | Apr 30, 2015 | WARN | 
| Life Care Centers of America | Prescott | 86301 |  | Apr 30, 2015 | WARN | 
| Life Care Centers of America | Tucson | 85704 | 6 - ARIZONA@WORK - Pima | Apr 30, 2015 | WARN |