| AFAhc Fabrication CO. | Beggs | OK | — | ◇ UNVERIFIED |
| AFAhlborn Fence & Steel INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| ASAhlborn Structural Steel INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| ASAhlborn Structural Steel INC | Windsor | CA | — | ◇ UNVERIFIED |
| ASAhlborn Structural Steel INC | Ukiah | 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 |
| AMAll Metals LLC | Clackamas | OR | — | ◇ UNVERIFIED |
| AMAll Metals Welding & Fabrication INC | Mount Dora | FL | — | ◇ UNVERIFIED |
| AHAlloy Hardfacing - Engineering CO INC | Jordan | MN | — | ◇ UNVERIFIED |
| APAll Phase Steel Works, LLC | Bridgeport | CT | — | ◇ UNVERIFIED |
| APAll Phase Steel Works, LLC | New Haven | CT | — | ◇ UNVERIFIED |
| AQAll Quality Machining & Finishing, LLC | Christiana | PA | — | ◇ UNVERIFIED |
| ASAll Scenic LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
| ASAll Service Machine Shop INC. | Chalmette | LA | — | ◇ UNVERIFIED |
| ATAllstate Tower INC | Henderson | KY | — | ◇ UNVERIFIED |
| AGAlltech Gate Systems llc | Tucson | AZ | — | ◇ UNVERIFIED |
| AVAll Valley Rv Center | Lancaster | CA | — | ◇ UNVERIFIED |
| AWAll Weld Steel INC. | Glenside | PA | — | ◇ UNVERIFIED |
| AIAlmeda INC | Parkersburg | WV | — | ◇ UNVERIFIED |
| AAlnc | San Angelo | TX | — | ◇ UNVERIFIED |
| AWAloha Welding INC | Hillsboro | OR | — | ◇ UNVERIFIED |
| AFAlpha Fabrication | San Bernardino | CA | — | ◇ UNVERIFIED |
| AIAlpha Irons Works LLC | Rochester | NY | — | ◇ UNVERIFIED |
| ASAlpha Steel CORP | Salem | OR | — | ◇ UNVERIFIED |
| ATAlpine Tool, INC. | Tioga | LA | — | ◇ UNVERIFIED |
| AIAl's Iron Works | Canoga Park | CA | — | ◇ UNVERIFIED |
| AOAls Ornamental Iron - Welding INC | Waite Park | MN | — | ◇ UNVERIFIED |
| APAl's Plating Company | Fort Worth | TX | — | ◇ UNVERIFIED |
| ASAl Steel Fabricators | Roanoke | VA | — | ◇ UNVERIFIED |
| AAlumafold | Whittier | CA | — | ◇ UNVERIFIED |
| AAlumasteel | Salt Lake City | UT | — | ◇ UNVERIFIED |
| ASAluma Steel Mfg INC. | Salt Lake City | UT | — | ◇ UNVERIFIED |
| ARAlumina Railing Products, INC. | Cincinnati | OH | — | ◇ UNVERIFIED |
| AFAmarillo Facility Wind Tower Manufacturing | Amarillo | TX | — | ◇ UNVERIFIED |
| ASAmarillo Steel Fabrication and Machine, INC. | Amarillo | TX | — | ◇ UNVERIFIED |
| ASAmazing Steel | Montclair | CA | — | ◇ UNVERIFIED |
| ASAmazing Steel CORP Dba Amazing Hydraulics Dba Mitc | Montclair | CA | — | ◇ UNVERIFIED |
| ABAmbassador Bridge & Paving Supply LLC | Bourbonnais | IL | — | ◇ UNVERIFIED |
| ASAmbassador Steel Corporation | Newton | IA | — | ◇ UNVERIFIED |
| ASAmbassador Steel Fabrication, LLC | Marion | OH | — | ◇ UNVERIFIED |
| AOAmber Ornamental Iron | Irvine | CA | — | ◇ UNVERIFIED |
| ACA.m. Castle & CO. | Wichita | KS | — | ◇ UNVERIFIED |
| ASAmco Steel Fabrication, LLC | Elmendorf | TX | — | ◇ UNVERIFIED |
| AMAmdex Metalizing | Scottdale | PA | — | ◇ UNVERIFIED |
| AMA & M Equipment INC Dba Western Square | Stockton | CA | — | ◇ UNVERIFIED |
| AAAmerican Architectural Iron | Boston | MA | — | ◇ UNVERIFIED |
| ABAmerican Block Company | Houston | TX | — | ◇ UNVERIFIED |
| ABAmerican Builders & Contractors Supply Co., INC. | Beloit | WI | — | ◇ UNVERIFIED |
| ACAmerican Constructioneers, LLC | Tampa | FL | — | ◇ UNVERIFIED |
| ACAmerican Custom Metal Fabricating, INC. | Green Bay | WI | — | ◇ UNVERIFIED |
| AEAmerican Equipment | Victorville | CA | — | ◇ UNVERIFIED |
| AFAmerican Fabricated Metals, Incorporated | Colonial Heights | VA | — | ◇ UNVERIFIED |
| AFAmerican Fence Shop, LLC | Hialeah | FL | — | ◇ UNVERIFIED |
| AHAmerican Highway Technology | Riverbank | CA | — | ◇ UNVERIFIED |
