| SDSemco Duct and Acoustical Products, INC. | Roanoke | VA | — | ◇ UNVERIFIED |
| SISemco INC | Roanoke | VA | — | ◇ UNVERIFIED |
| SISemco Incorporated | Salisbury | MO | — | ◇ UNVERIFIED |
| SCSerra CORP. | Nevada City | CA | — | ◇ UNVERIFIED |
| SMService Metal Fabricating INC | Rockaway | NJ | — | ◇ UNVERIFIED |
| STSfpp,lp - Tucson Terminal | Tucson | AZ | — | ◇ UNVERIFIED |
| SMSheet Metal Specialties | Casper | WY | — | ◇ UNVERIFIED |
| SIShivvers INC | Corydon | IA | — | ◇ UNVERIFIED |
| SMSims Mfg CO | Payne | OH | — | ◇ UNVERIFIED |
| SSSinger Sheet CO INC | Parkersburg | WV | — | ◇ UNVERIFIED |
| SGSkf Gastonia Facility | Gastonia | NC | — | ◇ UNVERIFIED |
| SESkyline Enterprises INC | Wheat Ridge | CO | — | ◇ UNVERIFIED |
| SMSmart Metals | Lawrence | MA | — | ◇ UNVERIFIED |
| SISmt Incorporated - Raleigh Plant | Raleigh | NC | — | ◇ UNVERIFIED |
| SASnappy Adp Div of Standex International | Detroit Lakes | MN | — | ◇ UNVERIFIED |
| SESnyder Equipment CO Fabrication Division | Wheatland | MO | — | ◇ UNVERIFIED |
| SSSouthbridge Sheet Metal | Southbridge | MA | — | ◇ UNVERIFIED |
| SMSoutheastern Metals | Jacksonville | FL | — | ◇ UNVERIFIED |
| SSSoutheastern Stud & Components, INC. | Montgomery | AL | — | ◇ UNVERIFIED |
| STSoutheastern Tool & Die | Aberdeen | NC | — | ◇ UNVERIFIED |
| SMSpecialty Metal Fabrications | Meriden | CT | — | ◇ UNVERIFIED |
| SSSpecialty Steel Services Facility | Philadelphia | PA | — | ◇ UNVERIFIED |
| SBStanley Black & Decker | Georgetown | OH | — | ◇ UNVERIFIED |
| SFSteel Fabricators I/steel Fabricators | Oklahoma City | OK | — | ◇ UNVERIFIED |
| SWSteel Warehouse of Ohio | Warren | OH | — | ◇ UNVERIFIED |
| SMStephens Metal Products | Yakima | WA | — | ◇ UNVERIFIED |
| SCSterling Custom Sheet Metal | Magnolia | TX | — | ◇ UNVERIFIED |
| SSStromberg Sheet Metal Works | Beltsville | MD | — | ◇ UNVERIFIED |
| SASunair Awnings | Jessup | MD | — | ◇ UNVERIFIED |
| SSSun State Awnings INC | Englewood | FL | — | ◇ UNVERIFIED |
| SMSuperior Metal Prod | Chuckey | TN | — | ◇ UNVERIFIED |
| SASwift Atlanta INC | Suwanee | GA | — | ◇ UNVERIFIED |
| TMTaylor Made Group, LLC. | Bradenton | FL | — | ◇ UNVERIFIED |
| TPTaylor Power Systems Inc, Richland | Richland | MS | — | ◇ UNVERIFIED |
| TITechnique INC | Jackson | MI | — | ◇ UNVERIFIED |
| TGTechnology General INC Eclipse Systems Div | Franklin | NJ | — | ◇ UNVERIFIED |
| TPTee Pee Packaging CORP | Dover | NJ | — | ◇ UNVERIFIED |
| TITenere INC Wheat Ridge Div.cn | Wheat Ridge | CO | — | ◇ UNVERIFIED |
| TATennessee Awning Mfg CO | Hendersonville | TN | — | ◇ UNVERIFIED |
| TDTennessee Dept. of Trans. (closed) | Nashville | TN | — | ◇ UNVERIFIED |
| TMTennessee Metal Culvert CO INC | Knoxville | TN | — | ◇ UNVERIFIED |
| TMTennessee Metal Culvert CO INC | Nashville | TN | — | ◇ UNVERIFIED |
| TVTennessee Vly Met Culvert Co* | Tullahoma | TN | — | ◇ UNVERIFIED |
| TAThe Airolite Company | Marietta | OH | — | ◇ UNVERIFIED |
| TBThe Barre CO | Linden City | NJ | — | ◇ UNVERIFIED |
| TMThe Metalworking Group | Cincinnati | OH | — | ◇ UNVERIFIED |
| TETheodore E Mozer INC | Palmyra | NJ | — | ◇ UNVERIFIED |
| TSThe Sterling Blower CO INC | Forest | VA | — | ◇ UNVERIFIED |
| TVThe Vollrath Co., LLC | Newport | MN | — | ◇ UNVERIFIED |
| TFThompson Fabricating, LLC | Tarrant | AL | — | ◇ UNVERIFIED |
| TFThompson Fabrication INC | Muskegon | MI | — | ◇ UNVERIFIED |
| TBThycurb Burt Manufacturing CO | Akron | OH | — | ◇ UNVERIFIED |
| TPTiernay Prroperties INC | Phoenix | AZ | — | ◇ UNVERIFIED |
| TMTime Machine INC | Hudson | FL | — | ◇ UNVERIFIED |
| TITks Industrial | Columbus | OH | — | ◇ UNVERIFIED |
| TMTomsicek Manufacturing CO | Ithaca | NE | — | ◇ UNVERIFIED |
| TMTramont Manufacturing LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| TTTrend Technologies LLC | Chino | CA | — | ◇ UNVERIFIED |
| TFTri-metal Fabrication INC | Plainview | NY | — | ◇ UNVERIFIED |
| TRTri-state Roofing & Sheet Metal | Davisville | WV | — | ◇ UNVERIFIED |
| TFTriumph Fabrications - San Diego | El Cajon | CA | — | ◇ UNVERIFIED |
| UPUltimate Precision Metal Products | Farmingdale | NY | — | ◇ UNVERIFIED |
| UIUnison Industries LLC Plant 2 | Dayton | OH | — | ◇ UNVERIFIED |
| UFUnited Fabrication | Salt Lake City | UT | — | ◇ UNVERIFIED |
| USUnited States Register Co* | La Follette | TN | — | ◇ UNVERIFIED |
| USUniversal Sheetmetal INC | Woodinville | WA | — | ◇ UNVERIFIED |
| UCUS Chemical Storage Plant 2 | Wilkesboro | NC | — | ◇ UNVERIFIED |
| URUsepa Region 2 - Almor Site | Warsaw | NY | — | ◇ UNVERIFIED |
| VCVacumax CO | Belleville | NJ | — | ◇ UNVERIFIED |
| VMValley Mechanical INC | Rossville | GA | — | ◇ UNVERIFIED |
| VMVegan Metal Fabricators CO INC | Gooding | ID | — | ◇ UNVERIFIED |
| VMVernier Metal Fabrct | Bridgeport | CT | — | ◇ UNVERIFIED |
| VFVersa Fab INC | Monroeville | PA | — | ◇ UNVERIFIED |
| VFViking Fabricated Systems INC | Pontiac | MI | — | ◇ UNVERIFIED |
| VIVista Industrial Products INC | Vista | CA | — | ◇ UNVERIFIED |
| VCVoyale CORP | Cleveland | OH | — | ◇ UNVERIFIED |
| VIVulcan Industries | Hudson | MA | — | ◇ UNVERIFIED |
| WIWaldron Industries | Waldron | MI | — | ◇ UNVERIFIED |
| WWecom | Glassboro | NJ | — | ◇ UNVERIFIED |
| WMWeld Mold Co-brighton | Brighton | MI | — | ◇ UNVERIFIED |
| WKWelk Ko Fabrications INC | Livonia | MI | — | ◇ UNVERIFIED |
| WHWestern Hills Fabricators * | Cincinnati | OH | — | ◇ UNVERIFIED |
| WSWestfield Sheet Metal Works | Kenilworth | NJ | — | ◇ UNVERIFIED |
| WPWestport Precision LLC | Stratford | CT | — | ◇ UNVERIFIED |
| WPWoodbine Products INC | Deer Park | NY | — | ◇ UNVERIFIED |
| WWWriglesworth & Willock Metal Fabrication | Portland | OR | — | ◇ UNVERIFIED |
| XCX-l CORP & Spray Tek | Nashua | NH | — | ◇ UNVERIFIED |
| YSYork Sheet Metal/york | York | PA | — | ◇ UNVERIFIED |
| ZFZbm Fairmont | Fairmont | MN | — | ◇ UNVERIFIED |
| ZSZero Stamping CO INC | Taylor | MI | — | ◇ UNVERIFIED |
| ZIZober Ind | Croydon | PA | — | ◇ UNVERIFIED |
| ZCZomeworks CORP | Albuquerque | NM | — | ◇ UNVERIFIED |
| 1V1811 Vero Beach Branch | Vero Beach | FL | 20–99 | ◐ LIKELY ACTIVE |
| 2W23994 W US Highway 82, Sherman, TX 75092 | Sherman | TX | 20–99 | ◐ LIKELY ACTIVE |
| 2S2676 S. 26th St | Kalamazoo | MI | 20–99 | ◐ LIKELY ACTIVE |
| 3R3280 Rivergate, McMinnville, OR | Mcminnville | OR | 20–99 | ◐ LIKELY ACTIVE |
| 3S3-Dimensional Services | Rochester Hills | MI | 20–99 | ◐ LIKELY ACTIVE |
| 4F400-ram Fabrication-corporate | Ashburn | VA | 1–19 | ◐ LIKELY ACTIVE |
| 4F410-ram Fabrication-raleigh | Knightdale | NC | 20–99 | ◐ LIKELY ACTIVE |
| 4F440-ram Fabrication-starke | Starke | FL | 1–19 | ◐ LIKELY ACTIVE |
