| 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 |
| ASAerial Structure INC | Schertz | TX | — | ◇ UNVERIFIED |
| AAerotek | Bristol | VA | — | ◇ UNVERIFIED |
| ASAes Sunoptics INC | Sacramento | CA | — | ◇ UNVERIFIED |
| AIA-fab Industries, LLC | Keller | TX | — | ◇ UNVERIFIED |
| AMAfco Manufacturing | Holly | MI | — | ◇ UNVERIFIED |
| AUAfinitas US INC | New Hampton | IA | — | ◇ UNVERIFIED |
| AWAF Welding & Manufacturing LLC | Hutchinson | KS | — | ◇ UNVERIFIED |
| AWAF Welding & Manufacturing LLC | Inman | KS | — | ◇ UNVERIFIED |
| ASAgate Steel INC. | Reno | NV | — | ◇ UNVERIFIED |
| AIAg Industrial Manufacturing INC | Lodi | CA | — | ◇ UNVERIFIED |
| ALAg Light and Sound INC | Ronkonkoma | NY | — | ◇ UNVERIFIED |
| AMAgtek Metal Works & Millwright, INC. | Hartville | MO | — | ◇ UNVERIFIED |
| AFAhc Fabrication CO. | Beggs | OK | — | ◇ UNVERIFIED |
| AFAhlborn Fence & Steel INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| ACAIMetals, Corp | Dallas | TX | — | ◇ UNVERIFIED |
| ASAim Steel International, INC. | Morrow | GA | — | ◇ UNVERIFIED |
| ACAir Capital Flight Line Hangar | Wichita | KS | — | ◇ UNVERIFIED |
| AEAircraft Extrusion CO | Chico | CA | — | ◇ UNVERIFIED |
 Aircraft Welding, INC. | Willoughby | OH | — | ◇ UNVERIFIED |
| ADAir Duct, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| ASAir Separation Unit Project | Blytheville | AR | — | ◇ UNVERIFIED |
| AIA & I Steel Fabricators, INC. | Pomona | CA | — | ◇ UNVERIFIED |
| AJA & J Fabricators, INC. | Minco | OK | — | ◇ UNVERIFIED |
| AJA & J Welding | Pomona | CA | — | ◇ UNVERIFIED |
| AIAkj Industries INC Contractor of Uss Ga | Gary | IN | — | ◇ UNVERIFIED |
| ALAkm LLC Dba Volks Constructors | Prairieville | LA | — | ◇ UNVERIFIED |
| ASAk Steel CORP | Dearborn | MI | — | ◇ UNVERIFIED |
| AMAlabama Metal Fabricators, INC. | Elberta | AL | — | ◇ UNVERIFIED |
| ASAlamance Steel Fabricators, INC. | Archdale | NC | — | ◇ UNVERIFIED |
| AFAlbatross Fabrication LLC | Spirit Lake | ID | — | ◇ UNVERIFIED |
| ACAl Cassettari Enterprises, INC. | Banta | CA | — | ◇ UNVERIFIED |
| AFAlcast Foundry INC | Redondo Beach | CA | — | ◇ UNVERIFIED |
| ATAlcoa Titanium & Engineered Products | Niles | OH | — | ◇ UNVERIFIED |
| ADAlenco, Div of Reliant Bldg Products | Bryan | TX | — | ◇ UNVERIFIED |
| ASAlfa Steel Construction | Union | NJ | — | ◇ UNVERIFIED |
| ASAli's Steel Fabricating Corp. | Jamaica | NY | — | ◇ UNVERIFIED |
| AGAljo - Gefa Precision Mfg., LLC | Old Bethpage | NY | — | ◇ UNVERIFIED |
| ASAllan Schaffer | Livermore | CA | — | ◇ UNVERIFIED |
| AAAll Around Metal Buildings, LLC | Godley | TX | — | ◇ UNVERIFIED |
| ACAll Custom Fabrications Inc | brooksville | FL | — | ◇ UNVERIFIED |
| ARAllegheny Rebar Incorporated | Glassport | PA | — | ◇ UNVERIFIED |
| AMAllen Machine INC. | Montclair | CA | — | ◇ UNVERIFIED |
| ASAllen Steel Fabricating Co* | Columbia | TN | — | ◇ UNVERIFIED |
| ASAlliance Steel & Fabrications, INC. | Manassas Park | VA | — | ◇ UNVERIFIED |
| ACAllison Conveyor Engineering | Allison | PA | — | ◇ UNVERIFIED |
| ARAllison Resources, LLC | Ada | OK | — | ◇ UNVERIFIED |
| AMAll Metal Acquisitions, LLC | Cowarts | AL | — | ◇ UNVERIFIED |
| AMAll Metals LLC | Clackamas | OR | — | ◇ UNVERIFIED |
| AMAll Metals Welding & Fabrication INC | Mount Dora | FL | — | ◇ UNVERIFIED |
| AHAlloy Hardfacing - Engineering CO INC | Jordan | MN | — | ◇ UNVERIFIED |
