| 3S3 Son's Steel, INC. | Leland | NC | — | ◇ UNVERIFIED |
| 4W4340 W 47th St LLC | Chicago | IL | — | ◇ UNVERIFIED |
| 4C4 Corner Architectural Sheet Metal INC | Burnsville | MN | — | ◇ UNVERIFIED |
| 4A4ever Aluminum Products | Camden | MI | — | ◇ UNVERIFIED |
| 4W4 Wheeler, LLC | Portland | TN | — | ◇ UNVERIFIED |
| 5O50 Old Tyng LLC | Tyngsboro | MA | — | ◇ UNVERIFIED |
| 5S5 Star Wrought Iron | Los Angeles | CA | — | ◇ UNVERIFIED |
| 7C7 Country Oak Lane | Alamo | CA | — | ◇ UNVERIFIED |
| 8G808 Gates & Doors, LLC | Kaneohe | HI | — | ◇ UNVERIFIED |
| 8F8879 Fox Drive, LLC | Thornton | CO | — | ◇ UNVERIFIED |
| 9S96 S Middlesex Rd | Carlisle | PA | — | ◇ UNVERIFIED |
| AFA1 Fabricators & Finishers, LLC | Batavia | OH | — | ◇ UNVERIFIED |
| A1A 1 Iron Works Ny CORP | Brooklyn | NY | — | ◇ UNVERIFIED |
| AWA-1 Welding Inc. | Bellingham | WA | — | ◇ UNVERIFIED |
| AWA-1 Welding Iron Works | Los Angeles | CA | — | ◇ UNVERIFIED |
| AMA2 Metals, LLC | Milwaukie | OR | — | ◇ UNVERIFIED |
| ABA2Z Builders Depot LLC | Bonham | TX | — | ◇ UNVERIFIED |
| ASAñasco Screens and Doors | Anasco | PR | — | ◇ UNVERIFIED |
| ASAAA Steel Fabricators | Deerfield Beach | FL | — | ◇ UNVERIFIED |
| ACAarons Creative Welding INC | Fraser | MI | — | ◇ 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 |
| AIAbel Iron Works | Arcadia | CA | — | ◇ UNVERIFIED |
| AFA&b Fabricators INC Auburn | Auburn | WA | — | ◇ UNVERIFIED |
| ABAbility Burglar Bars, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| ANAbility Next Day Installers Services, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| AIAble Iron Works, CO | Porter Ranch | CA | — | ◇ UNVERIFIED |
| AMAble Manufacturing & Assembly LLC | Joplin | MO | — | ◇ UNVERIFIED |
| ABA & B Metal Fabrication, LLC | Selma | AL | — | ◇ UNVERIFIED |
| AMA&b Metal Fabricators, INC. | Lakeville | MA | — | ◇ UNVERIFIED |
| ABA B N a INC | Penn | PA | — | ◇ UNVERIFIED |
| ABAbra Brainerd | Long Lake Township | MN | — | ◇ UNVERIFIED |
| 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 |
| 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 |
| APAdvertising Products, Inc | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| ACAdvex Corporation | Hampton | VA | — | ◇ 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 |
| AFAfc Finishing Systems | Oroville | CA | — | ◇ 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 |
| AIAgl Industries INC. | Woodhaven | NY | — | ◇ UNVERIFIED |
| AIAgl Industries INC. | Maspeth | NY | — | ◇ UNVERIFIED |
| AMAgtek Metal Works & Millwright, INC. | Hartville | MO | — | ◇ UNVERIFIED |
