| AIAmerican Industrial Plant Services, INC. | Geismar | LA | — | ◇ 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 |
| ALAmfab417, LLC | Springfield | MO | — | ◇ UNVERIFIED |
| AMA M L Simon INC | West Orange | NJ | — | ◇ UNVERIFIED |
| AMA & M Ornamental Iron | Corona | CA | — | ◇ UNVERIFIED |
| AMA & M Sculptured Metals INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| AIAmswfl, INC. | Fort Myers | FL | — | ◇ UNVERIFIED |
| AMA.m.w. Metal Works CORP | Hawthorne | NJ | — | ◇ UNVERIFIED |
| AEAnchor Enterprises | Blades | DE | — | ◇ UNVERIFIED |
| AIAnchor Industrial Services, LLC | Houston | TX | — | ◇ UNVERIFIED |
| AIAnchor Iron CO | Savage | MN | — | ◇ UNVERIFIED |
| AIAndersen Industries - Adelanto | Adelanto | CA | — | ◇ UNVERIFIED |
| ACAnderson Charnesky Structural Steel INC | Yucaipa | CA | — | ◇ UNVERIFIED |
| ACAnderson Charnesky Structural Steel, INC. | Beaumont | CA | — | ◇ UNVERIFIED |
| AWAnderson Welding LLC | Dover | NH | — | ◇ UNVERIFIED |
| ACAnderton Casting LLC | Troy | TX | — | ◇ UNVERIFIED |
| ABAndrew B. Duffy, INC. | West Deptford | NJ | — | ◇ UNVERIFIED |
| AMAndy Maylish Fabrication INC. | Denver | NC | — | ◇ UNVERIFIED |
| ACAnel Corporation | Carroll County | MS | — | ◇ UNVERIFIED |
| AGAngell & Giroux INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| AIAngel's Iron Works, Jose a Angel Dba | Bell Gardens | CA | — | ◇ UNVERIFIED |
| AAAnn Arbor Fabrication INC | Dexter | MI | — | ◇ UNVERIFIED |
| AIAnnco Industrial Metal Fabricator | Totowa | NJ | — | ◇ UNVERIFIED |
| AIAnnco Industrial Metal Fabricator | Wallington | NJ | — | ◇ UNVERIFIED |
| AMAnsam Metals CORP | Baltimore | MD | — | ◇ UNVERIFIED |
| ASAnthem Steel Group Inc | Salt Lake City | UT | — | ◇ UNVERIFIED |
| AMAntietam Metals, LLC | Williamsport | MD | — | ◇ UNVERIFIED |
| AMAntigua Metal Doors LLC | Venus | TX | — | ◇ UNVERIFIED |
| ACAnvil Craft Corporation | Easton | PA | — | ◇ UNVERIFIED |
| ASAnvil Steel Engineering Inc. | Taunton | MA | — | ◇ UNVERIFIED |
| AWAnytime Welding, INC. | San Jose | CA | — | ◇ UNVERIFIED |
| AMAnzaldua Mechanical, INC. | Harlingen | TX | — | ◇ UNVERIFIED |
| AFApex Fabrication, INC. | Macclenny | FL | — | ◇ UNVERIFIED |
| ACApnivex CORP Dba Comm-fab | Chino | CA | — | ◇ UNVERIFIED |
| ASApollo Steel CORP. | Niagara Falls | NY | — | ◇ UNVERIFIED |
| AAApple and Honey, LLC | Brooklyn | NY | — | ◇ UNVERIFIED |
| AEApplied Energy Technologies, INC. | Maumee | OH | — | ◇ UNVERIFIED |
| AIAptek INC | San Jose | CA | — | ◇ UNVERIFIED |
| AIAqua-Doc International, LTD. | Big Bend | WI | — | ◇ UNVERIFIED |
| ACAquamatic Cover Systems | Gilroy | CA | — | ◇ UNVERIFIED |
| ASAquaturbo Systems, INC | Springdale | AR | — | ◇ UNVERIFIED |
| AIAradyne Industries | Brookshire | TX | — | ◇ UNVERIFIED |
| APAransas Pass Site | Aransas Pass | TX | — | ◇ UNVERIFIED |
| AIArcadia INC | Waipahu | HI | — | ◇ UNVERIFIED |
| AIArcadia, INC. | Tucson | AZ | — | ◇ UNVERIFIED |
| ASArcadia Security and Patrol | Vancouver | WA | — | ◇ UNVERIFIED |
| ACArch Capital Partners LLC | Beaumont | TX | — | ◇ UNVERIFIED |
| AEArchitectural Elements | Bellingham | WA | — | ◇ UNVERIFIED |
| AIArchitectural Iron Company INC. | Milford | PA | — | ◇ UNVERIFIED |
| AIArchitectural Iron Products INC | Portland | OR | — | ◇ UNVERIFIED |
| AMArchitectural Materials | San Diego | CA | — | ◇ UNVERIFIED |
| AMArchitectural Metal Solutions | Austell | GA | — | ◇ UNVERIFIED |
| AOArchitectural Ornamental Iron Fab., INC | Ludlow | KY | — | ◇ UNVERIFIED |
| APArchitectural Products Development, Inc. | Cleveland | OH | — | ◇ UNVERIFIED |
| ASArchitectural Sheet Metal Systems, Incorporated | Saint Louis | MO | — | ◇ UNVERIFIED |
| ASArchitectural Steel & Aluminum Products, INC. | Dallas | GA | — | ◇ UNVERIFIED |
| ASArchitectural & Structural Steel Co, INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| AMArch Metals, INC. | Belgrade | MT | — | ◇ UNVERIFIED |
| AIArclight Industries LLC | Venetia | PA | — | ◇ UNVERIFIED |
| AWArcosa Wind Towers, INC. - Newton | Newton | IA | — | ◇ UNVERIFIED |
| AIArc-rite, INC. | Palatka | FL | — | ◇ UNVERIFIED |
| ASArc Services | Roseville | MN | — | ◇ UNVERIFIED |
| ASArgo Safety Railings INC | Portland | OR | — | ◇ UNVERIFIED |
| ARA & R Iron Works, INC. | Conshohocken | PA | — | ◇ UNVERIFIED |
| AMAristotle Metal Works | Lawrenceville | GA | — | ◇ UNVERIFIED |
| AEArizona Equipment Fabrication L.l.c. | Flagstaff | AZ | — | ◇ UNVERIFIED |
| ALArktura LLC | Gardena | CA | — | ◇ UNVERIFIED |
| AIArlington Iron Works | Manassas | VA | — | ◇ UNVERIFIED |
| ASArmetco Systems LLC | Fort Worth | TX | — | ◇ UNVERIFIED |
| ACArt Chiapa Welding | Porterville | CA | — | ◇ UNVERIFIED |
| ALArteferro LLC | Plainfield | NJ | — | ◇ UNVERIFIED |
| AFArtisan Forge Metal Works LLC | Eau Claire | WI | — | ◇ UNVERIFIED |
| AFArtisanz Fabrication | Plainfield | IN | — | ◇ UNVERIFIED |
| AIArtistic Iron INC | Woodland | WA | — | ◇ UNVERIFIED |
| AOArtistic Ornamental Iron Works, INC. | Athens | GA | — | ◇ UNVERIFIED |
| AWArtistic Welding Work Shop | Los Angeles | CA | — | ◇ UNVERIFIED |
| AArtistwelder | Hooper | UT | — | ◇ UNVERIFIED |
| AAArts Anvil Iron Works INC | Gardena | CA | — | ◇ UNVERIFIED |
| ASAsap Steel | Warren | MI | — | ◇ UNVERIFIED |
| AVAsa V. Peugh, INC. | Seaford | DE | — | ◇ UNVERIFIED |
| APAsc Profiles INC Dba Aep Span | Fontana | CA | — | ◇ UNVERIFIED |
| AIAsf Ironworks INC | Eugene | OR | — | ◇ UNVERIFIED |
| AAAsheer Akram LLC | Kansas City | KS | — | ◇ UNVERIFIED |
