| AOA1 Ornamental Ironworks, INC. | Fresno | CA | — | ◇ UNVERIFIED |
| AWA-1 Welding Inc. | Bellingham | WA | — | ◇ UNVERIFIED |
| ABA2Z Builders Depot LLC | Bonham | TX | — | ◇ UNVERIFIED |
| AGAaa Galvanizing Chelsea, INC Dba Iazz Chelsea Galvanizing | Chelsea | OK | — | ◇ UNVERIFIED |
| ASAAA Steel Fabricators | Deerfield Beach | FL | — | ◇ UNVERIFIED |
| ACAarons Custom Metal Fab INC | Portland | OR | — | ◇ UNVERIFIED |
| ACAbc Coating Company of Minnesota INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| ACAbc Coating Company of Minnesota INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| ABA B Chance Company | Houston | TX | — | ◇ UNVERIFIED |
| ABAbel & Brothers Custom Iron Works | San Marcos | CA | — | ◇ UNVERIFIED |
| AIAbel Iron Works | Arcadia | CA | — | ◇ UNVERIFIED |
| AFA&b Fabricators INC Auburn | Auburn | WA | — | ◇ UNVERIFIED |
| AMAble Manufacturing & Assembly LLC | Joplin | MO | — | ◇ UNVERIFIED |
| ABA & B Metal Fabrication, LLC | Selma | AL | — | ◇ UNVERIFIED |
| AMA&b Metal Fabricators, INC. | Lakeville | MA | — | ◇ UNVERIFIED |
| ABAbra Brainerd | Long Lake Township | MN | — | ◇ UNVERIFIED |
| ACAbrah Custom Fabrication Inc* | West Monroe | LA | — | ◇ UNVERIFIED |
| ASA.b. Steel Mill, INC. | Cincinnati | OH | — | ◇ UNVERIFIED |
| AIAbuck INC | Mableton | GA | — | ◇ UNVERIFIED |
| ASAcadian Steel INC | Gaston | SC | — | ◇ UNVERIFIED |
| AIAccufab, INC. | West Chester | OH | — | ◇ UNVERIFIED |
| ALAccuire, LLC | Manteca | CA | — | ◇ UNVERIFIED |
| AFAccurate Fab | Streetsboro | OH | — | ◇ UNVERIFIED |
| AMAccurate Metal Sawing Service CO. | Mentor | OH | — | ◇ UNVERIFIED |
| ASAccurate Specialty Metal Fabricators, INC. | Middle Village | NY | — | ◇ UNVERIFIED |
| AWAccurate Welding & Inspection, L.l.c. | Portland | TX | — | ◇ UNVERIFIED |
| AOAce Ornamental | Pomona | CA | — | ◇ UNVERIFIED |
| ASAce Soft Mfg | Riverside | CA | — | ◇ UNVERIFIED |
| ALAcieta, LLC | Council Bluffs | IA | — | ◇ UNVERIFIED |
| ACAcme Construction Supply | Sacramento | CA | — | ◇ UNVERIFIED |
| AMAcme Mechanical Contractors INC | Manchester | TN | — | ◇ UNVERIFIED |
| AIAcra Industries,Corp. | Ontario | CA | — | ◇ UNVERIFIED |
| AAAction Architectural Fabricators, INC. | Marion | AR | — | ◇ UNVERIFIED |
| AMAdams Manufacturing | Matheny | WV | — | ◇ UNVERIFIED |
| ATAdams Truss | Gentry | AR | — | ◇ UNVERIFIED |
| ACAddison Corporation | Bend | OR | — | ◇ UNVERIFIED |
| ASAddison Steel INC | Albany | GA | — | ◇ UNVERIFIED |
| AIA&D Innovative Steel Inc | Bogota | NJ | — | ◇ UNVERIFIED |
| AMAdm Milling CO. Econo-flo Flour Service | Salina | KS | — | ◇ UNVERIFIED |
| AFAdobe Fab Consultants, INC. | Conroe | TX | — | ◇ UNVERIFIED |
| ATAdp Totalsource Nh Xxviii INC | Fraser | MI | — | ◇ UNVERIFIED |
| ASAdrian Steel | Kansas City | MO | — | ◇ UNVERIFIED |
| AIAdvanced Iron Concepts | Placentia | CA | — | ◇ UNVERIFIED |
 Advanced Manufacturing & Engineering CORP. | Ocala | FL | — | ◇ UNVERIFIED |
| AMAdvanced Mezzanine Systems LLC | Stafford | VA | — | ◇ UNVERIFIED |
| APAdvanced Prototype Engineering | San Francisco | CA | — | ◇ UNVERIFIED |
| AMAdventure Machine & Fab, INC. | Port Lavaca | TX | — | ◇ UNVERIFIED |
| ACAdvex Corporation | Hampton | VA | — | ◇ UNVERIFIED |
| AMA&E Manufacturing, LLC | Spring Lake | MI | — | ◇ UNVERIFIED |
| AEA+ Engineering and Fabrication, INC. | Grand Rapids | OH | — | ◇ UNVERIFIED |
