| ASAllen Sheet Metal INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| ASAllen Steel Fabricating Co* | Columbia | TN | — | ◇ UNVERIFIED |
| ASAlliance Steel & Fabrications, INC. | Manassas Park | VA | — | ◇ UNVERIFIED |
| AMAllied Metal Industries INC | Newark City | NJ | — | ◇ 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 Metal Recycling INC | Springfield | MO | — | ◇ UNVERIFIED |
| AMAll Metals LLC | Clackamas | OR | — | ◇ UNVERIFIED |
| AMAll Metals Welding & Fabrication INC | Mount Dora | FL | — | ◇ UNVERIFIED |
| ACAlloy Custom Products LLC | Delphi | IN | — | ◇ UNVERIFIED |
| AFAlloy Fabricators, INC. | Alexis | NC | — | ◇ UNVERIFIED |
| AHAlloy Hardfacing - Engineering CO INC | Jordan | MN | — | ◇ UNVERIFIED |
| APAll Phase Steel Works, LLC | New Haven | CT | — | ◇ UNVERIFIED |
| APAll Phase Steel Works, LLC | Bridgeport | 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 |
| AEAll-states Equipment, INC. | Memphis | MO | — | ◇ UNVERIFIED |
| ASAllstate Steel CO | Jacksonville | FL | — | ◇ 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 Waste Systems | Puunene | HI | — | ◇ UNVERIFIED |
| AWAloha Welding INC | Hillsboro | OR | — | ◇ UNVERIFIED |
 Alonso & Carus Iron Works INC | Catano | PR | — | ◇ UNVERIFIED |
| AFAlpha Fabrication | San Bernardino | CA | — | ◇ UNVERIFIED |
| AIAlpha Irons Works LLC | Rochester | NY | — | ◇ UNVERIFIED |
| ASAlpha Steel CORP | Salem | OR | — | ◇ UNVERIFIED |
| ASAlpine Steel Fabricators | Colorado Springs | CO | — | ◇ UNVERIFIED |
| ATAlpine Tool, INC. | Tioga | LA | — | ◇ UNVERIFIED |
| AIAlply INC | De Kalb | MS | — | ◇ UNVERIFIED |
| ASAlro Steel INC (1431154016) | Cincinnati | OH | — | ◇ 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 |
| APAlstom Power INC | Easton | PA | — | ◇ UNVERIFIED |
| AIAltrachem INC | Joliet | IL | — | ◇ 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 |
| AFAMC Fabrication, Inc. | Las Vegas | NV | — | ◇ UNVERIFIED |
| ASAmco Steel Fabrication, LLC | Elmendorf | TX | — | ◇ UNVERIFIED |
| AMAmdex Metalizing | Scottdale | PA | — | ◇ UNVERIFIED |
| AMA & M Equipment INC Dba Western Square | Stockton | CA | — | ◇ UNVERIFIED |
| ABAmer Bridge Holding Co/coraopolis | Coraopolis | PA | — | ◇ UNVERIFIED |
| AAAmerican Architectural Iron | Boston | MA | — | ◇ UNVERIFIED |
| ABAmerican Block Company | Houston | TX | — | ◇ UNVERIFIED |
| ABAmerican Boiler Works | Arlington | WA | — | ◇ UNVERIFIED |
| ABAmerican Builders & Contractors Supply Co., INC. | Beloit | WI | — | ◇ UNVERIFIED |
| ACAmerican Cargo Group Trailers Llc/banks Twp Plt | Mcadoo | PA | — | ◇ 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 |
 American Fabrication Site | Idaho Falls | ID | — | ◇ UNVERIFIED |
| AFAmerican Fence Shop, LLC | Hialeah | FL | — | ◇ UNVERIFIED |
| AHAmerican Highway Technology | Riverbank | CA | — | ◇ UNVERIFIED |
| AIAmerican Idustrial Fabricators INC | Saint Amant | LA | — | ◇ UNVERIFIED |
| AIAmerican Industrial Plant Services, INC. | Geismar | LA | — | ◇ UNVERIFIED |
| AIAmerican Investors Dba Reco USA | West Columbia | SC | — | ◇ UNVERIFIED |
| AMAmerican Machine & Conveyor CORP | Oxnard | CA | — | ◇ UNVERIFIED |
| AMAmerican Manufacturing Operations INC. | Toledo | OH | — | ◇ UNVERIFIED |
| AMAmerican Metal Fabricators | Modesto | CA | — | ◇ UNVERIFIED |
| AMAmerican Metals | West Sacramento | CA | — | ◇ UNVERIFIED |
| AMAmerican Metals | Fresno | CA | — | ◇ UNVERIFIED |
| AMAmerican Modular Systems, INC. | Manteca | CA | — | ◇ UNVERIFIED |
| APAmerican Products Production Company of Pinellas County | Tampa | FL | — | ◇ UNVERIFIED |
| ARAmerican Railing Systems, INC | Erie | PA | — | ◇ UNVERIFIED |
| ASAmerican Steel Corporation | Apache Junction | AZ | — | ◇ UNVERIFIED |
| ASAmerican Steel Fabricators, INC. | Melrose Park | IL | — | ◇ UNVERIFIED |
| ASAmerican Striking Tool, Inc | Wilmington | NC | — | ◇ UNVERIFIED |
| ASAmerican Structures and Design INC. | Sumner | WA | — | ◇ UNVERIFIED |
| ATAmerican Tower Corporation | Somerdale | NJ | — | ◇ UNVERIFIED |
| ATAmerican Tower Corporation | Mount Wilson | CA | — | ◇ UNVERIFIED |
| AWAmerican Warehouse Equipment I | North Hollywood | CA | — | ◇ UNVERIFIED |
| AWAmerica Welding | Los Angeles | CA | — | ◇ UNVERIFIED |
| AIAmeri-fab INC | Phoenix | AZ | — | ◇ UNVERIFIED |
| AMAmerifab Mfg LLC | Deer Island | OR | — | ◇ UNVERIFIED |
| ACAmeristeel CORP | Plant City | FL | — | ◇ UNVERIFIED |
| ASAmeron Steel Fabrication Division | Fontana | CA | — | ◇ UNVERIFIED |
| ALAmfab417, LLC | Springfield | MO | — | ◇ UNVERIFIED |
| ARAmg Resources CORP | Youngstown | OH | — | ◇ UNVERIFIED |
| ALAmhawk LLC | Coloma | MI | — | ◇ UNVERIFIED |
