| ASAhlborn Structural Steel INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| ASAhlborn Structural Steel INC | Ukiah | CA | — | ◇ UNVERIFIED |
| ASAhlborn Structural Steel INC | Windsor | CA | — | ◇ UNVERIFIED |
| ACAhs Custom Fabrication LLC | Oakland | CA | — | ◇ UNVERIFIED |
| APAir-o-fan Products Corporation | Dinuba | CA | — | ◇ UNVERIFIED |
| AIAir-Tech Industrial Design, Inc. | Monrovia | IN | — | ◇ UNVERIFIED |
| ATAir Tight Stainless Manufacturing & Seal Service | Lubbock | TX | — | ◇ UNVERIFIED |
| AJA J Oster Caribe LLC | Caguas | PR | — | ◇ UNVERIFIED |
| ALAkm LLC Dba Volks Constructors | Prairieville | LA | — | ◇ UNVERIFIED |
| ARA-korn Roller INC (relocated to 0311145) | Denver | CO | — | ◇ UNVERIFIED |
| ASAk Steel and Tubing | Franklin | IN | — | ◇ UNVERIFIED |
| AMAlabama Metal Industries | Kansas City | MO | — | ◇ UNVERIFIED |
| AMAlabama Metal Industries Corporation | Dayton | TX | — | ◇ UNVERIFIED |
| AOAlabama Ornamental, INC. | Springville | AL | — | ◇ UNVERIFIED |
| ALAlaco Ladder CO | Chino | CA | — | ◇ UNVERIFIED |
| AMAlameda Metalworks LLC | Portland | OR | — | ◇ UNVERIFIED |
| ARAlamillo Rebar INC | Benicia | CA | — | ◇ UNVERIFIED |
| ASAlaska Structures INC | Fairacres | NM | — | ◇ UNVERIFIED |
| APAlbar Precious Metal Refining, INC. | Pompano Beach | FL | — | ◇ UNVERIFIED |
| AFAlbers Finishing & Solutions LLC | Cheney | KS | — | ◇ UNVERIFIED |
| AMAl-cast Mold - Pattern INC | Andover | MN | — | ◇ UNVERIFIED |
| AEAlco Engineering & Tooling CORP Alco Eng & Tooling CORP | Santa Ana | CA | — | ◇ UNVERIFIED |
| AFAlco Fabricators, INC. | Rossville | GA | — | ◇ UNVERIFIED |
| ASAldaz Specialies INC | Portland | OR | — | ◇ UNVERIFIED |
| APAlejo Ps89-llc | Newport Beach | CA | — | ◇ UNVERIFIED |
| AMAlenac Metals CORP | Palm Springs | FL | — | ◇ UNVERIFIED |
| ARAleris Rolled Products | Ashville | OH | — | ◇ UNVERIFIED |
| AMAlessandra Miscellaneous Metal Works INC | Newton | NJ | — | ◇ UNVERIFIED |
| ARAlexander Robinson Dba Robinson Armament CO | North Salt Lake | UT | — | ◇ UNVERIFIED |
| AAAlex and Lourdes Galvez, Husband and Wife | Tucson | AZ | — | ◇ UNVERIFIED |
| AGAlex Gayda Dba Nor Bay Ironcraft | Petaluma | CA | — | ◇ UNVERIFIED |
| AHAlex Hilario Dba Alex Iron Works | Northridge | CA | — | ◇ UNVERIFIED |
| AGAlii Glass & Metal INC | Kapolei | HI | — | ◇ UNVERIFIED |
| AIAl Industries INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| AAAll American Barricades, CORP. | Deerfield Beach | FL | — | ◇ UNVERIFIED |
| AAAll American Fence | Hesperia | CA | — | ◇ UNVERIFIED |
| AAAll American Grating, INC. | Pittsburgh | PA | — | ◇ UNVERIFIED |
| AAAll American Metals & Recycling LLC | Carnegie | PA | — | ◇ UNVERIFIED |
 All Clean Orlando LLC | Mascotte | FL | — | ◇ UNVERIFIED |
| ADAll Dimension Manufacturing INC | Oakdale | MN | — | ◇ UNVERIFIED |
| ABAllegiance Business Group, LLC | Frederick | MD | — | ◇ UNVERIFIED |
| ASAllentown Steel Fabricating Co., INC. | Catasauqua | PA | — | ◇ UNVERIFIED |
| AHAlliance Holdings Dba Spencer-air | Columbus | OH | — | ◇ UNVERIFIED |
| ANAlliance North America INC | Cypress | CA | — | ◇ UNVERIFIED |
| ACAllman Canopies and Construction | Tulsa | OK | — | ◇ UNVERIFIED |
| AMAll Metal M.s. | Las Vegas | NV | — | ◇ UNVERIFIED |
| AMAll Metals Fabricators INC | Seattle | WA | — | ◇ UNVERIFIED |
| AIAllon Industries, INC. | Maryland Heights | MO | — | ◇ UNVERIFIED |
| AIAlloyed INC | Seattle | WA | — | ◇ UNVERIFIED |
| AFAlloy Fabricators of New England Incorporated | Randolph | MA | — | ◇ UNVERIFIED |
| AWAlloy Welding | Plainville | CT | — | ◇ UNVERIFIED |
| AWAlloy Welding | Bristol | CT | — | ◇ UNVERIFIED |
| AWAlloy Welding and Fabricating | Boston | NY | — | ◇ UNVERIFIED |
| APAll Phase Steel Works, LLC | New Haven | CT | — | ◇ UNVERIFIED |
| APAll Phase Steel Works, LLC | Bridgeport | CT | — | ◇ UNVERIFIED |
| AQAll Quality Machining & Finishing, LLC | Christiana | PA | — | ◇ UNVERIFIED |
| AMAllred Manufacturing, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| ASAll Service Sheetmetal, INC. | Oklahoma City | OK | — | ◇ UNVERIFIED |
| ASAll Star Auto Lights (PA), LLC | Harrisburg | PA | — | ◇ UNVERIFIED |
| AMAllston Metalcraft CO. | Bellingham | MA | — | ◇ UNVERIFIED |
| AGAlltech Gate Systems llc | Tucson | AZ | — | ◇ UNVERIFIED |
| AVAll Valley Rv Center | Lancaster | CA | — | ◇ UNVERIFIED |
| AWAll Weld INC. | Troy | MI | — | ◇ UNVERIFIED |
| ALA L M Services | Bloomington | CA | — | ◇ UNVERIFIED |
| AMAlpine Machine, INC. | Ithaca | NY | — | ◇ UNVERIFIED |
| AIAl's Iron Works | Canoga Park | CA | — | ◇ UNVERIFIED |
| AOAls Ornamental Iron - Welding INC | Waite Park | MN | — | ◇ UNVERIFIED |
| AWAl's Welding & Fabrication INC. | Cary | IL | — | ◇ UNVERIFIED |
| ALAltac LLC | Rocklin | CA | — | ◇ UNVERIFIED |
| ATAlta Tube Fabrication, Inc. | Minneapolis | MN | — | ◇ UNVERIFIED |
| AAluma-form | Walnut | MS | — | ◇ UNVERIFIED |
| AAluma-form | Orangeburg | SC | — | ◇ UNVERIFIED |
| AFAluma Form INC | Walnut | MS | — | ◇ UNVERIFIED |
| ASAluma Systems Concrete Construction of California INC. | Woodland | CA | — | ◇ UNVERIFIED |
| AIAlumatherm Incorporated | Oakland | CA | — | ◇ UNVERIFIED |
| ARAlumina Railing Products, INC. | Cincinnati | OH | — | ◇ UNVERIFIED |
| ALAluminum Ladder Company | Florence | SC | — | ◇ UNVERIFIED |
| AIAlvarez Industries LLC | Orange | CT | — | ◇ UNVERIFIED |
| AIAlvarez Industries LLC | Greenwich | CT | — | ◇ UNVERIFIED |
| AOAmber Ornamental Iron | Irvine | CA | — | ◇ UNVERIFIED |
| AMA & M Equipment INC Dba Western Square | Stockton | CA | — | ◇ UNVERIFIED |
| AAAmerican Architectural Iron | Boston | MA | — | ◇ UNVERIFIED |
| AAAmerican Axle - Auburn Hills Manufacturing South | Auburn Hills | MI | — | ◇ UNVERIFIED |
| ABAmerican Bar Products, INC. | Warminster | PA | — | ◇ UNVERIFIED |
| ABAmerican Blue Claw LLC | Mays Landing | NJ | — | ◇ UNVERIFIED |
| ABAmerican Builders & Contractors Supply Co., INC. | Beloit | WI | — | ◇ UNVERIFIED |
| ADAmerican Direct Imaging INC | Baltimore | MD | — | ◇ UNVERIFIED |
| AFAmerican Fence Shop, LLC | Hialeah | FL | — | ◇ UNVERIFIED |
| AHAmerican Heating Technologies INC. | Los Angeles | CA | — | ◇ UNVERIFIED |
| AIAmerican Integration Technologies Llc,a New York Corporation | Chandler | AZ | — | ◇ UNVERIFIED |
| AMAmerican Manufacturing Operations INC. | Toledo | OH | — | ◇ UNVERIFIED |
| AMAmerican Manufacturing Tool and Coating INC. | Parsons | TN | — | ◇ UNVERIFIED |
| AMAmerican Mechanical & Service CORP | Honolulu | HI | — | ◇ UNVERIFIED |
| AMAmerican Metal and Wood | Eden | NY | — | ◇ UNVERIFIED |
| AMAmerican Metalcraft Co, INC | East Weymouth | MA | — | ◇ UNVERIFIED |
| AMAmerican Metal Fabrications, Inc. | Richmond | VA | — | ◇ UNVERIFIED |
| AMAmerican Metal Fabricators, INC. | Gastonia | NC | — | ◇ UNVERIFIED |
| AMAmerican Metal Products CO INC | Portland | OR | — | ◇ UNVERIFIED |
| AMAmerican Metals & Manufacturing CO. | Sarver | PA | — | ◇ UNVERIFIED |
 American Metal Specialties, Inc. | University Place | WA | — | ◇ UNVERIFIED |
