| HOHSM OT West (453) | Phoenix | 20–99 | ◐ LIKELY ACTIVE |
| HPHydro Phoenix | Phoenix | 100–499 | ◐ LIKELY ACTIVE |
| KAKaiser Aluminum | Chandler | 100–499 | ◐ LIKELY ACTIVE |
| MAMagellan Aerospace, Glendale, INC. | Glendale | — | ◐ LIKELY ACTIVE |
| MMMI Metals - Prescott Valley | Prescott Valley | 20–99 | ◐ LIKELY ACTIVE |
| SCSasol Chemicals (USA) LLC | Tucson | 20–99 | ◐ LIKELY ACTIVE |
| TITriangle Industrial Fab LLC | Tucson | — | ◐ LIKELY ACTIVE |
| ACAacco Cast Prods INC | Benson | — | ◇ UNVERIFIED |
| AAAlleima Advanced Materials | Tucson | — | ◇ UNVERIFIED |
| ADAluminum Dynamics INC. | Benson | — | ◇ UNVERIFIED |
| ACArizona Castings Ii, LLC | Maricopa | — | ◇ UNVERIFIED |
| AUArrow United Refining | Phoenix | — | ◇ UNVERIFIED |
| ALAsarco LLC | Hayden | — | ◇ UNVERIFIED |
| BSBarker Steel Construction, INC. | Tucson | — | ◇ UNVERIFIED |
| CSCanam Steel Corporation | Buckeye | — | ◇ UNVERIFIED |
| CWCoastal Wire Company, INC. | Casa Grande | — | ◇ UNVERIFIED |
| CMCreative Metal Casting | Scottsdale | — | ◇ UNVERIFIED |
| DIDolphin Incorporated Dba Dolphin Castings | Phoenix | — | ◇ UNVERIFIED |
| DMD&s Metal Solutions LLC | Gilbert | — | ◇ UNVERIFIED |
| EPEastern Products Foundry, Inc. | Phoenix | — | ◇ UNVERIFIED |
| ESEndura Steel, Inc., a California Corporation | Fort Mohave | — | ◇ UNVERIFIED |
| HMHarco Metal Products, Inc | Scottsdale | — | ◇ UNVERIFIED |
| ISIao Steel, LLC | Phoenix | — | ◇ UNVERIFIED |
| ITIwaki Tucson L.l.c. | Tucson | — | ◇ UNVERIFIED |
| JLJd501, LLC | Phoenix | — | ◇ UNVERIFIED |
| KFKornegay Fabrication,LLC | Mesa | — | ◇ UNVERIFIED |
| LMLasser Machine Shop LLC | Nogales | — | ◇ UNVERIFIED |
| MWMansell Welding, INC. | Lk Havasu Cty | — | ◇ UNVERIFIED |
| MCMri CORP Chandler Plt | Chandler | — | ◇ UNVERIFIED |
| NSNorth Star Steel Arizona | Golden Valley | — | ◇ UNVERIFIED |
| PSPowers Solar Frames, LLC | Phoenix | — | ◇ UNVERIFIED |
| PSPowers Steel & Wire Products INC | Phoenix | — | ◇ UNVERIFIED |
 Profile Extrusion Company | Phoenix | — | ◇ UNVERIFIED |
| SESapa Extrusions North America, LLC | Phoenix | — | ◇ UNVERIFIED |
| SSSvp Steel LLC | Phoenix | — | ◇ UNVERIFIED |
| TITasco Iron & Metal, LLC | Lake Havasu City | — | ◇ UNVERIFIED |
| WIWatkins Investment, LLC | Phoenix | — | ◇ UNVERIFIED |
| WEW. E. Hall Company | Casa Grande | — | ◇ UNVERIFIED |
