| KSK S Electronics, L.l.c. | Phoenix | 1–19 | ◐ LIKELY ACTIVE |
| MTMicrochip Technology INC | Chandler | — | ◐ LIKELY ACTIVE |
| NINeltec INC | Tempe | — | ◐ LIKELY ACTIVE |
| RDRadio Design Labs | Prescott | 20–99 | ◐ LIKELY ACTIVE |
Shortridge Instruments INC | Scottsdale | — | ◐ LIKELY ACTIVE |
| SCSouthbay Circuits INC | Chandler | — | ◐ LIKELY ACTIVE |
| UAUS Army - Yuma Proving Ground | Yuma | — | ◐ LIKELY ACTIVE |
| GDGeneral Dynamics Mission Systems | Scottsdale | — | ◐ LIKELY ACTIVE |
| HAHoneywell Aerospace Satellite Systems | Glendale | — | ◐ LIKELY ACTIVE |
Infineon Technologies | Mesa | — | ◐ LIKELY ACTIVE |
| MTMicroship Technology INC | Tempe | — | ◐ LIKELY ACTIVE |
| NSNxp Semiconductors Chandler Site | Chandler | — | ◐ LIKELY ACTIVE |
| TFTriumph Fabrications-phoenix | Chandler | — | ◐ LIKELY ACTIVE |
| USU S Air Force Plant No 44 | Tucson | — | ◇ UNVERIFIED |
| ASAlicat Scientific INC. | Tucson | 100–499 | ▲ REPORTED CLOSED |
Ambature INC | Scottsdale | — | ◐ LIKELY ACTIVE |
Biosensing Instrument INC | Tempe | — | ◐ LIKELY ACTIVE |
Cellbusters LLC | Phoenix | — | ◐ LIKELY ACTIVE |
Desertsilicon LLC | Glendale | — | ◐ LIKELY ACTIVE |
Doppler Systems, LLC | Tucson | — | ◐ LIKELY ACTIVE |
Enyrgy INC. | Scottsdale | — | ◐ LIKELY ACTIVE |
Faxitron Bioptics, LLC | Tucson | — | ◐ LIKELY ACTIVE |
| IAIac/instrumentation and Controls LLC | Chandler | 20–99 | ◐ LIKELY ACTIVE |
Lightsense Technology INC | Tucson | — | ◐ LIKELY ACTIVE |
| PTPyramid Technologies, INC. | Mesa | 20–99 | ◐ LIKELY ACTIVE |
| SESmart Embedded Computing INC | Tempe | 20–99 | ▲ REPORTED CLOSED |
Solar Traffic Controls, L.l.c | Phoenix | — | ◐ LIKELY ACTIVE |
Van Brakel Electronics, INC. | Phoenix | — | ◐ LIKELY ACTIVE |
| EDEberle Design | Phoenix | — | ◇ UNVERIFIED |
| NGNorthrop Grumman | Sierra Vista | — | ◇ UNVERIFIED |
| FIFilconn INC | Chandler | — | ◐ LIKELY ACTIVE |
| GEGeneral Electric Health Care (ge Parallel Design Inc) | Phoenix | — | ◐ LIKELY ACTIVE |
| MMMesa Mw CORP | Chandler | 1–19 | ◐ LIKELY ACTIVE |
| OLOutroar LLC | Phoenix | — | ◐ LIKELY ACTIVE |
| TSTaiwan Semiconductor Manufacturing Company | Phoenix | — | ◐ LIKELY ACTIVE |
| TTTicer Technologies, LLC | Chandler | 1–19 | ◐ LIKELY ACTIVE |
| APAmerican Panel Solutions LLC | Tolleson | — | ◐ LIKELY ACTIVE |
| BEBagow Enterprises, Inc. | Tempe | 1–19 | ◐ LIKELY ACTIVE |
| HDHybrid Design Associates | Tempe | — | ◐ LIKELY ACTIVE |
| MIMettler-toledo International | Tucson | — | ◐ LIKELY ACTIVE |
| PDProtek Devices LP | Tempe | — | ◐ LIKELY ACTIVE |
| SWSun West Engineering, INC. | Phoenix | — | ◐ LIKELY ACTIVE |
| TGTaiga Green LLC / Cactus Materials | Tempe | — | ◐ LIKELY ACTIVE |
| TPTsmc Phoenix Project | Phoenix | 500+ | ◐ LIKELY ACTIVE |
| AAbbott | Scottsdale | — | ◇ UNVERIFIED |
| ASAdflex Solutions, INC | Chandler | — | ◇ UNVERIFIED |
| ACAdvanced Circuits INC | Tempe | — | ◇ UNVERIFIED |
| AAAntares Advanced Test Technologies | Gilbert | — | ◇ UNVERIFIED |
| DCDynaco CORP | Tempe | — | ◇ UNVERIFIED |
| EDElectronic Devices INC | Phoenix | — | ◇ UNVERIFIED |