| ASAhlborn Structural Steel INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| ASAhlborn Structural Steel INC | Ukiah | CA | — | ◇ UNVERIFIED |
| ASAhlborn Structural Steel INC | Windsor | CA | — | ◇ UNVERIFIED |
| ACAhs Custom Fabrication LLC | Oakland | CA | — | ◇ UNVERIFIED |
| ACAIMetals, Corp | Dallas | TX | — | ◇ UNVERIFIED |
| ASAim Steel International, INC. | Morrow | GA | — | ◇ UNVERIFIED |
| ACAir Capital Flight Line Hangar | Wichita | KS | — | ◇ UNVERIFIED |
| AEAircraft Extrusion CO | Chico | CA | — | ◇ UNVERIFIED |
 Aircraft Welding, INC. | Willoughby | OH | — | ◇ UNVERIFIED |
| ADAir Duct, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| APAir-o-fan Products Corporation | Dinuba | CA | — | ◇ UNVERIFIED |
| AIA & I Steel Fabricators, INC. | Pomona | CA | — | ◇ UNVERIFIED |
| AJA & J Fabricators, INC. | Minco | OK | — | ◇ UNVERIFIED |
| AJA & J Welding | Pomona | CA | — | ◇ UNVERIFIED |
| ALAkm LLC Dba Volks Constructors | Prairieville | LA | — | ◇ UNVERIFIED |
| AMAlabama Metal Fabricators, INC. | Elberta | AL | — | ◇ UNVERIFIED |
| AMAlabama Metal Industries | Kansas City | MO | — | ◇ UNVERIFIED |
| AOAlabama Ornamental, INC. | Springville | AL | — | ◇ UNVERIFIED |
| ASAlamance Steel Fabricators, INC. | Archdale | NC | — | ◇ UNVERIFIED |
| AMAlameda Metalworks LLC | Portland | OR | — | ◇ UNVERIFIED |
| ARAlamillo Rebar INC | Benicia | CA | — | ◇ UNVERIFIED |
| AFAlbatross Fabrication LLC | Spirit Lake | ID | — | ◇ UNVERIFIED |
| AFAlbers Finishing & Solutions LLC | Cheney | KS | — | ◇ UNVERIFIED |
| ACAl Cassettari Enterprises, INC. | Banta | CA | — | ◇ UNVERIFIED |
| ATAlcoa Titanium & Engineered Products | Niles | OH | — | ◇ UNVERIFIED |
| AEAlco Engineering & Tooling CORP Alco Eng & Tooling CORP | Santa Ana | CA | — | ◇ UNVERIFIED |
| ASAldaz Specialies INC | Portland | OR | — | ◇ UNVERIFIED |
| AMAlenac Metals CORP | Palm Springs | FL | — | ◇ UNVERIFIED |
| ADAlenco, Div of Reliant Bldg Products | Bryan | TX | — | ◇ UNVERIFIED |
| ARAleris Rolled Products | Ashville | OH | — | ◇ UNVERIFIED |
| AMAlessandra Miscellaneous Metal Works INC | Newton | NJ | — | ◇ UNVERIFIED |
| AAAlex and Lourdes Galvez, Husband and Wife | Tucson | AZ | — | ◇ UNVERIFIED |
| AGAlex Gayda Dba Nor Bay Ironcraft | Petaluma | CA | — | ◇ UNVERIFIED |
| AHAlex Hilario Dba Alex Iron Works | Northridge | CA | — | ◇ UNVERIFIED |
| ASAlfa Steel Construction | Union | NJ | — | ◇ UNVERIFIED |
| ASAli's Steel Fabricating Corp. | Jamaica | NY | — | ◇ UNVERIFIED |
| AGAljo - Gefa Precision Mfg., LLC | Old Bethpage | NY | — | ◇ UNVERIFIED |
| AAAll American Fence | Hesperia | CA | — | ◇ UNVERIFIED |
| AAAll American Grating, INC. | Pittsburgh | PA | — | ◇ UNVERIFIED |
| AAAll Around Metal Buildings, LLC | Godley | TX | — | ◇ UNVERIFIED |
| ACAll Custom Fabrications Inc | brooksville | FL | — | ◇ UNVERIFIED |
| ARAllegheny Rebar Incorporated | Glassport | PA | — | ◇ UNVERIFIED |
| AMAllen Machine INC. | Montclair | CA | — | ◇ UNVERIFIED |
| ASAllen Steel Fabricating Co* | Columbia | TN | — | ◇ UNVERIFIED |
| ASAlliance Steel & Fabrications, INC. | Manassas Park | VA | — | ◇ UNVERIFIED |
| ACAllison Conveyor Engineering | Allison | PA | — | ◇ UNVERIFIED |
| ARAllison Resources, LLC | Ada | OK | — | ◇ UNVERIFIED |
| ACAllman Canopies and Construction | Tulsa | OK | — | ◇ UNVERIFIED |
| AMAll Metal Acquisitions, LLC | Cowarts | AL | — | ◇ UNVERIFIED |
| AMAll Metal M.s. | Las Vegas | NV | — | ◇ UNVERIFIED |
