| NewStar Fresh Foods, LLC | Yuma | 85364 | 9 - ARIZONA@WORK - Yuma County | Sep 06, 2013 | WARN | 
| Newrez LLC | Tempe | 85282 | 7 - ARIZONA@WORK - Maricopa County | Jun 28, 2024 | WARN | 
| New 4 U  (CPES) | Douglas |  | 1 - ARIZONA@WORK - Southeastern Arizona | May 18, 2020 | WARN | 
| Nestle USA and Nestle Dryers Ice Cream l | Phoenix | 85004 | 5 - ARIZONA@WORK - City of Phoenix | Aug 16, 2019 | WARN | 
| NE AZ LWDB Show Low, AZ: Native Wings Complex Fire | Show Low | 85901 | 2002 - ARIZONA@WORK - Northeastern Arizona | Feb 04, 2022 | Non-WARN | 
| Navigate Collaborate Innovate (NCI) | Sierra Vista | 85635 | 1 - ARIZONA@WORK - Southeastern Arizona | Oct 30, 2019 | Non-WARN | 
| Nature's Medicines | Show Low | 85901 | 2002 - ARIZONA@WORK - Northeastern Arizona | Aug 08, 2023 | Non-WARN | 
| National Residential Mortgage | Scottsdale | 85260 | 7 - ARIZONA@WORK - Maricopa County | Feb 07, 2018 | Non-WARN | 
| National Education Partners | Scottsdale | 85255 | 7 - ARIZONA@WORK - Maricopa County | Nov 04, 2021 | WARN | 
| Mural Technologies | Tucson | 85747 | 6 - ARIZONA@WORK - Pima | Jun 09, 2025 | WARN | 
| Mural Consulting Corporation | Tucson | 85704 | 6 - ARIZONA@WORK - Pima | Mar 02, 2023 | Non-WARN | 
| Movement for Life Inc. | Multiple | 85711 | 6 - ARIZONA@WORK - Pima | Mar 25, 2020 | WARN | 
| Mountain Valley Express, LLC | Phoenix | 85009 | 5 - ARIZONA@WORK - City of Phoenix | Nov 25, 2024 | WARN | 
| Monitronics International, Inc., d/b/a Brinks Home | Dallas | 75234 | 6 - ARIZONA@WORK - Pima | Jan 05, 2023 | WARN | 
| Monitronics International, Inc. d/b/a Brinks Home | Phoenix | 85004 | 5 - ARIZONA@WORK - City of Phoenix | Dec 17, 2021 | WARN | 
| Mojave Desert Minerals, LLC | Oatman | 86433 |  | Jul 12, 2012 | WARN | 
| Mineral Park Inc. |  |  |  | Dec 29, 2014 | WARN | 
| Mind Body |  |  | 7 - ARIZONA@WORK - Maricopa County | Apr 07, 2020 | WARN | 
| Mindbody | Scottsdale | 85257 | 7 - ARIZONA@WORK - Maricopa County | Apr 03, 2020 | WARN | 
| Milgard Windows & Doors |  |  | 7 - ARIZONA@WORK - Maricopa County | Oct 17, 2011 | WARN | 
| Milemarkers | Lake Havasu City | 86404 | 11 - ARIZONA@WORK - Mohave and La Paz Counties | Nov 15, 2024 | Non-WARN | 
| Mike Campbell & Associates |  |  | 7 - ARIZONA@WORK - Maricopa County | Jul 06, 2011 | WARN | 
| Microtech Southwest, Inc./ Westfall Technik, Inc. | Las Vegas | 89169 | 7 - ARIZONA@WORK - Maricopa County | Feb 23, 2023 | WARN | 
| Microsemi Corporation |  |  | 7 - ARIZONA@WORK - Maricopa County | Jul 12, 2010 | WARN | 
| Microchip | Tempe | 85281 | 7 - ARIZONA@WORK - Maricopa County | Mar 03, 2025 | WARN |