| SMSummit Machine INC | Shoreview | MN | — | ◇ UNVERIFIED |
| SMSummit Machine Prods INC | Kansas City | MO | — | ◇ UNVERIFIED |
| SPSummit Peak Manufacturing INC. | Murray | UT | — | ◇ UNVERIFIED |
| SSSummit Sheet Metal LLC | Kingston | PA | — | ◇ UNVERIFIED |
| SSSummit Sheet Metal LLC | Kingston | PA | — | ◇ UNVERIFIED |
| SSSummit Sheet Metal, LLC | Pittston | PA | — | ◇ UNVERIFIED |
| SMSun Machine, LTD | Houston | TX | — | ◇ UNVERIFIED |
| SMSun Metal - Doral Enterprises | Albuquerque | NM | — | ◇ UNVERIFIED |
| SPSun Precision Machining, INC | Corona | CA | — | ◇ UNVERIFIED |
| SHSunrise Hydraulics INC | North Branch | MN | — | ◇ UNVERIFIED |
| SPSunrise Precision Machine CORP | Lindstrom | MN | — | ◇ UNVERIFIED |
| SMSunset Mfg CO of St Joseph | Saint Joseph | MN | — | ◇ UNVERIFIED |
| SPSunset Precision Concepts INC | Beaverton | OR | — | ◇ UNVERIFIED |
| SSunvair | Valencia | CA | — | ◇ UNVERIFIED |
| SCSuperior Canopy Corporation | Finley | KY | — | ◇ UNVERIFIED |
| SDSuperior Duct Fabrication, Inc. | Las Vegas | NV | — | ◇ UNVERIFIED |
| SESuperior Enterprises INC | Jackson | TN | — | ◇ UNVERIFIED |
| SFSuperior Fabrication Inc | Punta Gorda | FL | — | ◇ UNVERIFIED |
| SFSuperior Fabrication & Welding LLC | Punta Gorda | FL | — | ◇ UNVERIFIED |
| SISuperior Iron INC | Otsego | MN | — | ◇ UNVERIFIED |
| SMSuperior Machine INC | White Bear Lake | MN | — | ◇ UNVERIFIED |
| SMSuperior Machine & Welding INC | Anchorage | AK | — | ◇ UNVERIFIED |
| SMSuperior Machine Works, LLC | Mobile | AL | — | ◇ UNVERIFIED |
| SMSuperior Machining INC | New Hudson | MI | — | ◇ UNVERIFIED |
| SMSuperior Machining LLC | Brea | CA | — | ◇ UNVERIFIED |
| SMSuperior Metals, Inc. | San Jose | CA | — | ◇ UNVERIFIED |
| SMSuperior Metalworks, INC. | Carlisle | PA | — | ◇ UNVERIFIED |
| SQSuperior Quality Machine | Garrettsville | OH | — | ◇ UNVERIFIED |
| SSSuperior Sheet Metal Company, INC. | Kansas City | KS | — | ◇ UNVERIFIED |
| SSSuperior Sheet Metal, LLC | Hudson | NH | — | ◇ UNVERIFIED |
 Superior Steel Products | Kinzers | PA | — | ◇ UNVERIFIED |
| STSuperior Tank Company | Lake Forest | CA | — | ◇ UNVERIFIED |
| STSuperior Tool, Inc. | North Tonawanda | NY | — | ◇ UNVERIFIED |
| SMSupertech Machining INC | Chatsworth | CA | — | ◇ UNVERIFIED |
| SMSupreme Manufacturing Company, Dba C & L Supreme Manufacturing Company | Des Plaines | IL | — | ◇ UNVERIFIED |
| SRSupreme Roofing Products, INC. | Tuscaloosa | AL | — | ◇ UNVERIFIED |
| SSurtec | Eveleth | MN | — | ◇ UNVERIFIED |
| SBSutter Buttes Ag Distribution | Olivehurst | CA | — | ◇ UNVERIFIED |
| SPSutter P. Dahlglen Enterprises INC. | Santa Clara | CA | — | ◇ UNVERIFIED |
| SISuwannee Iron Works & Fence, INC. | O Brien | FL | — | ◇ UNVERIFIED |
| SRSvm - Reno | Sparks | NV | — | ◇ UNVERIFIED |
| SMSwagelok Manufacturing CO LLC | Solon | OH | — | ◇ UNVERIFIED |
| SLSwanky LLC | Melba | ID | — | ◇ UNVERIFIED |
| SMSwartz Manufacturing, INC. | Elyria | OH | — | ◇ UNVERIFIED |
| SMSweetwater Machine and Welding INC. | Sweetwater | TX | — | ◇ UNVERIFIED |
| SSSwenson Steel Products Company, INC. | Ceres | CA | — | ◇ UNVERIFIED |
| SASwift-cor Aerospace, INC. | Gardena | CA | — | ◇ UNVERIFIED |
| SHSwisher Heating & Air Conditioning, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| SISwissaero, INC. | Waterford | PA | — | ◇ UNVERIFIED |
| SPSwissline Precision Manufacturing, INC. | Cumberland | RI | — | ◇ UNVERIFIED |
| SPSwiss Precision Machining INC. | Wheeling | IL | — | ◇ UNVERIFIED |
| SMS&w Metal Products INC | Gilbertsville | PA | — | ◇ UNVERIFIED |
| SDSwope Design Solutions | San Francisco | CA | — | ◇ UNVERIFIED |
| SSyncreon | Kansas City | MO | — | ◇ UNVERIFIED |
| SISystems in Advanced Mechanical | Crofton | MD | — | ◇ UNVERIFIED |
| SSSystems South INC | Fountain Inn | SC | — | ◇ UNVERIFIED |
| TDT43 Designs | Hohenwald | TN | — | ◇ UNVERIFIED |
| TOTAC Operating Company | Draper | UT | — | ◇ UNVERIFIED |
| TWTac Welding INC | Bend | OR | — | ◇ UNVERIFIED |
| TMTag Manufacturing | Berlin | CT | — | ◇ UNVERIFIED |
| TTTag Team Manufacturing | Parker | CO | — | ◇ UNVERIFIED |
| TMTahoma Machining LTD | Medina | OH | — | ◇ UNVERIFIED |
| TITalco INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| TTTallaboa Tank and Fabricators, INC | Penuelas | PR | — | ◇ UNVERIFIED |
| TTTallaboa Tank & Fabricadores INC | Penuelas | PR | — | ◇ UNVERIFIED |
| TMTalley Metal Fabrication | San Jacinto | CA | — | ◇ UNVERIFIED |
| TCTal-mar Custom Metal Fabricators, INC. | Crestwood | IL | — | ◇ UNVERIFIED |
| TMTambe Metal Products INC | Victor | NY | — | ◇ UNVERIFIED |
| TITammcor Industries INC | Nicholasville | KY | — | ◇ UNVERIFIED |
| TSTampa Sheet Metal Company | Tampa | FL | — | ◇ UNVERIFIED |
| TETanco Engineering INC | Loveland | CO | — | ◇ UNVERIFIED |
| TMTancredi Machining, Inc | Topton | PA | — | ◇ UNVERIFIED |
| TITandem Inductries LLC | Boulder City | NV | — | ◇ UNVERIFIED |
| TITandem Industries, LLC. | Las Vegas | NV | — | ◇ UNVERIFIED |
| TOTango Ornamental Iron Works | Muskogee | OK | — | ◇ UNVERIFIED |
| TCTank Components Industries | Springfield | MO | — | ◇ UNVERIFIED |
| TCTankcraft CORP | Walworth | WI | — | ◇ UNVERIFIED |
| TITankheads, INC. | Haslet | TX | — | ◇ UNVERIFIED |
| TBTanko Brothers Screw Machine Products Corporation | Chicago Heights | IL | — | ◇ UNVERIFIED |
| TMTapemation Machining INC | Scotts Valley | CA | — | ◇ UNVERIFIED |
| TSTarget Sheetmetal and Manufacturing, INC. | Lubbock | TX | — | ◇ UNVERIFIED |
| TITarsco, INC. | Corpus Christi | TX | — | ◇ UNVERIFIED |
| TMTartan Manufacturing, INC. | Kansas City | KS | — | ◇ UNVERIFIED |
| TSTassie Siding INC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| TTTaurus Tool INC | Maple Grove | MN | — | ◇ UNVERIFIED |
| THTaylor Hydraulics INC. | Cedar Bluff | VA | — | ◇ UNVERIFIED |
| TMTaylor Machine Products | Taylor | MI | — | ◇ UNVERIFIED |
| TMTaylor Machining Solutions INC | Garfield | MN | — | ◇ UNVERIFIED |
| TMTaylor Made Coils | Man | WV | — | ◇ UNVERIFIED |
| TMTaylor Metal INC | Salem | OR | — | ◇ UNVERIFIED |
| TATaylors Auto Salvage | Saint Louis | MO | — | ◇ UNVERIFIED |
| TSTaylor Specialties, LLC | New Middletown | OH | — | ◇ UNVERIFIED |
| TATaylor-wharton America | Baytown | TX | — | ◇ UNVERIFIED |
| TBT Bailey March Point Rd | Anacortes | WA | — | ◇ UNVERIFIED |
| TSTcr Systems LLC | Decatur | IL | — | ◇ UNVERIFIED |
| TSTcr Systems, L.l.c. | Havana | IL | — | ◇ UNVERIFIED |
| TCT & C Supply, INC. | Hueytown | AL | — | ◇ UNVERIFIED |
| TMTda Mechanical, INC. | Columbus | GA | — | ◇ UNVERIFIED |
| TITDL Industries LLC | Waterbury | CT | — | ◇ UNVERIFIED |
| TMT&D Machine, Inc. | Butler | WI | — | ◇ UNVERIFIED |
