| AGAngell & Giroux INC | Los Angeles | 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 |
| ACAnvil Cases a Calzone Company | Industry | CA | — | ◇ UNVERIFIED |
| ACAnvil Craft Corporation | Easton | PA | — | ◇ UNVERIFIED |
| ASAnvil Steel Engineering Inc. | Taunton | MA | — | ◇ UNVERIFIED |
| AMAnzaldua Mechanical, INC. | Harlingen | TX | — | ◇ UNVERIFIED |
| ASApache Seamaster | Norfolk | NE | — | ◇ UNVERIFIED |
| AFApex Fabrication, INC. | Macclenny | FL | — | ◇ UNVERIFIED |
| ACApnivex CORP Dba Comm-fab | Chino | CA | — | ◇ UNVERIFIED |
| ASApollo Steel CORP. | Niagara Falls | NY | — | ◇ UNVERIFIED |
| ALApplegate Livestock Equipment Incorporated | Union City | OH | — | ◇ UNVERIFIED |
| AMApplequist Manufacturing | Smith Center | KS | — | ◇ UNVERIFIED |
| ASAppleridge Stone International, INC. | Blairsville | PA | — | ◇ UNVERIFIED |
| AEApplied Energy Technologies, INC. | Maumee | OH | — | ◇ UNVERIFIED |
| AMApplied Materials, INC. | Sunnyvale | CA | — | ◇ UNVERIFIED |
| AEApw Enclosures, INC. | Anaheim | CA | — | ◇ UNVERIFIED |
| AIAqua-Doc International, LTD. | Big Bend | WI | — | ◇ UNVERIFIED |
| ACAquamatic Cover Systems | Gilroy | CA | — | ◇ UNVERIFIED |
| ASAquaturbo Systems, INC | Springdale | AR | — | ◇ UNVERIFIED |
| APAransas Pass Site | Aransas Pass | TX | — | ◇ UNVERIFIED |
| APArban Precast Stone, LTD. | Dumfries | VA | — | ◇ UNVERIFIED |
| ASArcadia Security and Patrol | Vancouver | WA | — | ◇ UNVERIFIED |
| AArcee | Castle Rock Area | CO | — | ◇ UNVERIFIED |
| ACArchitectural Cast Stone, INC | Wichita | KS | — | ◇ UNVERIFIED |
| ACArchitectural Cast Stone,inc. | West Chicago | IL | — | ◇ UNVERIFIED |
| ACArchitectural Concrete Company, INC. | Palmetto | GA | — | ◇ UNVERIFIED |
| ALArchitectural Limestone, Inc. | Gurnee | IL | — | ◇ UNVERIFIED |
| AMArchitectural Metal Solutions | Austell | GA | — | ◇ UNVERIFIED |
| AOArchitectural Ornaments INC | Kansas City | MO | — | ◇ UNVERIFIED |
| APArchitectural Precast & Foam LLC | West Palm Beach | FL | — | ◇ UNVERIFIED |
| APArchitectural Precast & Foam, LLC | Jupiter | FL | — | ◇ UNVERIFIED |
| APArchitectural Products, INC. | Manassas | VA | — | ◇ UNVERIFIED |
| ASArchitectural Steel & Aluminum Products, INC. | Dallas | GA | — | ◇ UNVERIFIED |
| ASArchitectural & Structural Steel Co, INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| AIArclight Industries LLC | Venetia | PA | — | ◇ UNVERIFIED |
| ACArco Concrete INC. | Fort Lupton | CO | — | ◇ UNVERIFIED |
| AWArcosa Wind Towers, INC. - Newton | Newton | IA | — | ◇ UNVERIFIED |
| AIArc-rite, INC. | Palatka | FL | — | ◇ UNVERIFIED |
| ASArc Services | Roseville | MN | — | ◇ UNVERIFIED |
| ARA & R Iron Works, INC. | Conshohocken | PA | — | ◇ UNVERIFIED |
| AMAristotle Metal Works | Lawrenceville | GA | — | ◇ UNVERIFIED |
| AEArizona Equipment Fabrication L.l.c. | Flagstaff | AZ | — | ◇ UNVERIFIED |
| AIArlington Iron Works | Manassas | VA | — | ◇ UNVERIFIED |
| ASArmetco Systems LLC | Fort Worth | TX | — | ◇ UNVERIFIED |
| AAroostacast | Presque Isle | ME | — | ◇ UNVERIFIED |
| ACArquitectural Crete CORP | Dundee | FL | — | ◇ UNVERIFIED |
| ACArrow Concrete | Granby | CT | — | ◇ UNVERIFIED |
| AIArrowhead Industrial Services USA | Kramer Junction | CA | — | ◇ UNVERIFIED |
| ACArt Chiapa Welding | Porterville | CA | — | ◇ UNVERIFIED |
| AFArtco Fabricating Usa, INC. | Saint Louis | MO | — | ◇ UNVERIFIED |
| AFArtisanz Fabrication | Plainfield | IN | — | ◇ UNVERIFIED |
| APArtis Pittman | Enterprise | AL | — | ◇ UNVERIFIED |
| AAArtistic Accents | Cumming | GA | — | ◇ UNVERIFIED |
| ACArtistic Columns, INC. | Oakland Park | FL | — | ◇ UNVERIFIED |
| ASAsap Steel | Warren | MI | — | ◇ UNVERIFIED |
| AVAsa V. Peugh, INC. | Seaford | DE | — | ◇ UNVERIFIED |
| AIAshworth Industries, L.l.c. | Prairieville | LA | — | ◇ UNVERIFIED |
| ACAsi CO | Lapine | AL | — | ◇ UNVERIFIED |
| AWAspen Welding LLC | Rifle | CO | — | ◇ UNVERIFIED |
| ASAsp Services INC. | Selinsgrove | PA | — | ◇ UNVERIFIED |
 Associated Steel Fabricators INC. | Oklahoma City | OK | — | ◇ UNVERIFIED |
| Associated Steel Fabricators, INC. | Houston | TX | — | ◇ UNVERIFIED |
| ASAssociated Steel Workers Fabrication Shop | Kapolei | HI | — | ◇ UNVERIFIED |
| ASAssoc Spring Barnes Grp INC As | Gardena | CA | — | ◇ UNVERIFIED |
| AOAssurance Operations Corporation | Lawrenceburg | TN | — | ◇ UNVERIFIED |
| APATD Properties, LLC | Pioneer | OH | — | ◇ UNVERIFIED |
| ASAthens Stonecasting, INC | Athens | GA | — | ◇ UNVERIFIED |
| APAtlanta Psi Group | Atlanta | GA | — | ◇ UNVERIFIED |
| AWAtlanta West Cast Stone | Bremen | GA | — | ◇ UNVERIFIED |
| ABAtlantic Bolt, Incorporated | Charlotte | NC | — | ◇ UNVERIFIED |
| ACAtlantic Concrete Products | Douglasville | GA | — | ◇ UNVERIFIED |
| ACAtlantic Concrete Pumping Enterprises INC | Coconut Creek | FL | — | ◇ UNVERIFIED |
| AEAtlantic Enterprises | Holly Hill | FL | — | ◇ UNVERIFIED |
| ACAtlas Construction Supply, INC | Fullerton | CA | — | ◇ UNVERIFIED |
| AFAtlas Fabrication,inc. | Abbeville | LA | — | ◇ UNVERIFIED |
| AMAtlas Manufacturing Company | Tremont | MS | — | ◇ UNVERIFIED |
| APAtmi Precast INC. | Kenosha | WI | — | ◇ UNVERIFIED |
| ACAtomic Container | El Paso | TX | — | ◇ UNVERIFIED |
| AIAuburn Industries | Auburn Hills | MI | — | ◇ UNVERIFIED |
 Aura Fabricators Inc | Fergus Falls | MN | — | ◇ UNVERIFIED |
| AIAutoline INC | Reedley | CA | — | ◇ UNVERIFIED |
| AEAvalos Enterprises INC. | New Plymouth | ID | — | ◇ UNVERIFIED |
| ASAzad Steel, INC. | North Hollywood | CA | — | ◇ UNVERIFIED |
| AAAzaro Aparicio & Sergio H Aparicio | San Juan | TX | — | ◇ UNVERIFIED |
| AIAztec Industries, INC. | Humble | TX | — | ◇ UNVERIFIED |
 Aztec Technology | French Camp | CA | — | ◇ UNVERIFIED |
| Aztec Technology CORP | Vista | CA | — | ◇ UNVERIFIED |
| Aztec Technology CORP Dba Aztec Container | Vista | CA | — | ◇ UNVERIFIED |
| BABaader and Johnson Equipment | Kansas City | KS | — | ◇ UNVERIFIED |
| BEBaco Enterprises, Inc. | Bronx | NY | — | ◇ UNVERIFIED |
| BSBadger Shredding Products INC | Fairmont City | IL | — | ◇ UNVERIFIED |
| BCBadlands Capital Holdings LLC | Springtown | TX | — | ◇ UNVERIFIED |
| BMBag Man, LLC | Hammond | WI | — | ◇ UNVERIFIED |
| BCBaldwin Custom Welding & Designs LLC | Bend | OR | — | ◇ UNVERIFIED |
| BCBaldwin Custom Welding & Designs LLC | Bend | OR | — | ◇ UNVERIFIED |
