| ACAbrah Custom Fabrication Inc* | West Monroe | LA | — | ◇ UNVERIFIED |
| AAAbrams Architectural Products, INC. (aap) | Augusta | GA | — | ◇ UNVERIFIED |
| ABA & B Sheet Metal Works LLC | Portland | OR | — | ◇ UNVERIFIED |
| AMAbt Manufacturing, LLC Dba Abt Metals | Matthews | NC | — | ◇ UNVERIFIED |
| AIAbuck INC | Mableton | GA | — | ◇ UNVERIFIED |
| ASAcadian Steel INC | Gaston | SC | — | ◇ UNVERIFIED |
| ASAccent Stairs and Specialties | Albuquerque | NM | — | ◇ UNVERIFIED |
| ACAccion Const Iron & Windows Mfg | Santa Ana | CA | — | ◇ UNVERIFIED |
| AIAccufab INC | Sumter | SC | — | ◇ 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 |
| AFA/c Folding Gates | Pomona | CA | — | ◇ UNVERIFIED |
| AIAchilles Iron & Steel | Ayer | MA | — | ◇ UNVERIFIED |
| ALAcieta, LLC | Council Bluffs | IA | — | ◇ UNVERIFIED |
| ACAcme Construction Supply | Sacramento | CA | — | ◇ UNVERIFIED |
| ALAcme Ladders | Houston | TX | — | ◇ UNVERIFIED |
| AMAcme Mechanical Contractors INC | Manchester | TN | — | ◇ UNVERIFIED |
| AIAcra Industries,Corp. | Ontario | CA | — | ◇ UNVERIFIED |
| AAAction Architectural Fabricators, INC. | Marion | AR | — | ◇ UNVERIFIED |
| AFAction Fabricators & Erectors, INC. | Hyattsville | MD | — | ◇ UNVERIFIED |
| AIAction Iron Works INC | Pacoima | CA | — | ◇ UNVERIFIED |
| ASAction Security Iron INC | Albuquerque | NM | — | ◇ UNVERIFIED |
| ASAcurlite Structural Skylights, INC. | Berwick | PA | — | ◇ UNVERIFIED |
| AAcutech | Columbia Falls | MT | — | ◇ UNVERIFIED |
| AMAdams Manufacturing | Matheny | WV | — | ◇ UNVERIFIED |
| ATAdams Truss | Gentry | AR | — | ◇ UNVERIFIED |
| ACAdc Custom Products | Schofield | WI | — | ◇ UNVERIFIED |
| ACAdc Custom Products LLC | Weston | WI | — | ◇ UNVERIFIED |
| ACAddison Corporation | Bend | OR | — | ◇ UNVERIFIED |
| ASAddison Steel INC | Albany | GA | — | ◇ UNVERIFIED |
| AVAdf Visual Display | Compton | CA | — | ◇ UNVERIFIED |
| AIA&D Innovative Steel Inc | Bogota | NJ | — | ◇ UNVERIFIED |
| AMA&d Metal Works, INC. | Fortson | GA | — | ◇ 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 |
| AAAdvanced Architectural Metals | Las Vegas | NV | — | ◇ UNVERIFIED |
| AIAdvanced Iron Concepts | Placentia | CA | — | ◇ UNVERIFIED |
| AIAdvanced Iron Designs INC Dba Advanced Iron Concep | Placentia | CA | — | ◇ UNVERIFIED |
 Advanced Manufacturing & Engineering CORP. | Ocala | FL | — | ◇ UNVERIFIED |
| AMAdvanced Mezzanine Systems LLC | Stafford | VA | — | ◇ UNVERIFIED |
| APAdvanced Prototype Engineering | San Francisco | CA | — | ◇ UNVERIFIED |
| ASAdvance Storage Products - Salt Lake City Manufacturing Facility | Salt Lake City | UT | — | ◇ UNVERIFIED |
| AMAdventure Machine & Fab, INC. | Port Lavaca | TX | — | ◇ UNVERIFIED |
