| SMSpectrum Metal Services INC. | Midlothian | VA | — | ◇ UNVERIFIED |
| SASpytek Aerospace Corporation | Bensenville | IL | — | ◇ UNVERIFIED |
| SStaffmark | Rogers | AR | — | ◇ UNVERIFIED |
| SIStar Iron Works, LLC | North Hollywood | CA | — | ◇ UNVERIFIED |
| SSteelscape | Richmond | CA | — | ◇ UNVERIFIED |
| SMSteinkamp Moulding LTD | Erlanger | KY | — | ◇ UNVERIFIED |
| STStep Tools Unlimited INC Dba Destiny Tool | Morgan Hill | CA | — | ◇ UNVERIFIED |
| SSSterling Steel Cutting | Jonesville | MI | — | ◇ UNVERIFIED |
| SSteverosten | Redding | CA | — | ◇ UNVERIFIED |
| SMSt. Marys Tool & Die Co., INC. | Saint Marys | PA | — | ◇ UNVERIFIED |
| SPStm Precision Tool LTD | Warrington | PA | — | ◇ UNVERIFIED |
| SMStone Machine Company LLC | Fort Loudon | PA | — | ◇ UNVERIFIED |
| SCStoner CNC, LLC | Archbold | OH | — | ◇ UNVERIFIED |
| SStratmet | Milpitas | CA | — | ◇ UNVERIFIED |
| SMSummit Machine Inc. | Saint Paul | MN | — | ◇ UNVERIFIED |
| SMSunflower Mfg CO | Cawker City | KS | — | ◇ UNVERIFIED |
| SASunnen Abrasives | Saint Louis | MO | — | ◇ UNVERIFIED |
| SDSuspension Development Group | El Cajon | CA | — | ◇ UNVERIFIED |
| SPSutherland Presses | La Mirada | CA | — | ◇ UNVERIFIED |
| SMSwafford-Kientzy Machine & Fabrication, Inc | Troy | MO | — | ◇ UNVERIFIED |
| SMSwagelok Manufacturing CO LLC | Solon | OH | — | ◇ UNVERIFIED |
| SSSwenson Steel Products Company INC Dba Swenson Shear | Atwater | CA | — | ◇ UNVERIFIED |
| SLSymmetry LLC Dba Symmetry Laser | Davis | CA | — | ◇ UNVERIFIED |
| TATab and Slot LLC | Isanti | MN | — | ◇ UNVERIFIED |
| TCTapmatic CORP | Irvine | CA | — | ◇ UNVERIFIED |
| TBTauber Brothers Tool and Die Company | Harwood Heights | IL | — | ◇ UNVERIFIED |
| TCTaylor Chuck Enterprises | Goodlettsville | TN | — | ◇ UNVERIFIED |
| TGTaylor Group Inc, Ackerman | Ackerman | MS | — | ◇ UNVERIFIED |
| TDT D Manufacturing INC. | Garden Grove | CA | — | ◇ UNVERIFIED |
| TTTdm Troy Design & Manufacturing CO. | Chicago | IL | — | ◇ UNVERIFIED |
| TETechnical Employment Training INC | San Bernardino | CA | — | ◇ UNVERIFIED |
| TMTechpro Manufacturing INC | Salinas | CA | — | ◇ UNVERIFIED |
| TMTechpro Manufacturing INC | Salinas | CA | — | ◇ UNVERIFIED |
| TCTecni-die CO INC | New Freedom | PA | — | ◇ UNVERIFIED |
| TMTello Metal Polish | Colton | CA | — | ◇ UNVERIFIED |
| TOTesla of Michigan | Grand Rapids | MI | — | ◇ UNVERIFIED |
| TLTheaccuratetoolsshop LLC | Edgewater | NJ | — | ◇ UNVERIFIED |
| TLThe Leading Edge Supply, Inc. | Lake Orion | MI | — | ◇ UNVERIFIED |
| TMThe Mold Shop LLC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| TWThe Western States Machine Company | Fairfield | OH | — | ◇ UNVERIFIED |
| TTThompson Tool - Die INC | Cambridge | MN | — | ◇ UNVERIFIED |
| TMThriller Metal Fabrication & Manufacturing LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| TDTierone Designs LLC | Dickson | TN | — | ◇ UNVERIFIED |
| THTiger Heart Metal Works LLC | Dallas | TX | — | ◇ UNVERIFIED |
 Tiger Precision Machining | Manteca | CA | — | ◇ UNVERIFIED |
| TPTioga Pipe Supply CO. INC | Philadelphia | PA | — | ◇ UNVERIFIED |
| TPTipco Punch,inc. | Hamilton | OH | — | ◇ UNVERIFIED |
| TTiss | Houston | TX | — | ◇ UNVERIFIED |
| TMTlc Machining in C | San Jose | CA | — | ◇ UNVERIFIED |
| TTTmc Tool INC | Plymouth | MN | — | ◇ UNVERIFIED |
| TRTM Realty, LLC | Muskegon | MI | — | ◇ UNVERIFIED |
| TTnamachining | San Jose | CA | — | ◇ UNVERIFIED |
| TFTom Fox Enterprise, INC. | Albion | NY | — | ◇ UNVERIFIED |
| TDToolex, Division of Composidie, INC. | Vandergrift | PA | — | ◇ UNVERIFIED |
| TMTooling Machining and Design INC | Winona | MN | — | ◇ UNVERIFIED |
| TTTop Tool Company | Minneapolis | MN | — | ◇ UNVERIFIED |
| TMTrak Machine Tools | Boxborough | MA | — | ◇ UNVERIFIED |
| TSTriad Steel Rule Dies, INC. | Colfax | NC | — | ◇ UNVERIFIED |
| TDTriangle Dies and Supplies INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| TTTriangle Tool and Die Corporation | Santa Fe Spgs | CA | — | ◇ UNVERIFIED |
 Trinity Tool & Manufacturing LLC | Brookfield | WI | — | ◇ UNVERIFIED |
| Trinity Tool & Manufacturing LLC | Jackson | WI | — | ◇ UNVERIFIED |
| TTTrinity Tools INC | North Tonawanda | NY | — | ◇ UNVERIFIED |
| TETrio Engineering INC | Panorama City | CA | — | ◇ UNVERIFIED |
| TITriton Industries, INC. | Newport News | VA | — | ◇ UNVERIFIED |
| TSTriumph Structures Kansas City | Edgerton | KS | — | ◇ UNVERIFIED |
| TTTri-v Tool & Mfg. CO | Omaha | NE | — | ◇ UNVERIFIED |
| TDTroy Design & Mfg CO | Warren | MI | — | ◇ UNVERIFIED |
| TLTru-cut LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| TGTru-edge Grinding INC | Saint Henry | OH | — | ◇ UNVERIFIED |
| TMTruly Magic Products INC | Buffalo | NY | — | ◇ UNVERIFIED |
| TITrumpf INC | Costa Mesa | CA | — | ◇ UNVERIFIED |
| TITru-op Industries, INC. | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| TITru-Position, Inc. | Slinger | WI | — | ◇ UNVERIFIED |
| TATrw Automotive - Machine Bldg Division | Winona | MN | — | ◇ UNVERIFIED |
| TCTwin City Tool & Engineering INC | Blaine | MN | — | ◇ UNVERIFIED |
| TETyco Electronics CORP | Harrisburg | PA | — | ◇ UNVERIFIED |
| UMUltimate Metal Manufacturing LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| UPUltra Polishing, INC. | Schaumburg | IL | — | ◇ UNVERIFIED |
| UCUnaka CO INC the | Greeneville | TN | — | ◇ UNVERIFIED |
| UPUnipunch Products, INC. | Clear Lake | WI | — | ◇ UNVERIFIED |
| UFUnique Fabricating INC. South | La Fayette | GA | — | ◇ UNVERIFIED |
| UPUnique Precision Industries | Temecula | CA | — | ◇ UNVERIFIED |
| UMUnited Mold | Sacramento | CA | — | ◇ UNVERIFIED |
| UDUniversal / Devlieg Inc. | Saginaw | MI | — | ◇ UNVERIFIED |
| UHUniversal Hydrogen | Hawthorne | CA | — | ◇ UNVERIFIED |
| UIUnova Ind Automation/landis Gardner Div | Waynesboro | PA | — | ◇ UNVERIFIED |
| UOUsdol Osha - Cincinnati Area Office | Fairfield | OH | — | ◇ UNVERIFIED |
| UTUS Tool Grinding Tool INC Dba US Tool Group Palmdale | Los Angeles | CA | — | ◇ UNVERIFIED |
| ULUva Lidkoping INC | Milford | MA | — | ◇ UNVERIFIED |
| UAUX Atlanta LLC | Conyers | GA | — | ◇ UNVERIFIED |
| VPValco Planer Wrks, INC Dba,valco Precisi | Huntington Park | CA | — | ◇ UNVERIFIED |
| VLValley Lapping INC | San Jose | CA | — | ◇ UNVERIFIED |
| VCVanam Custom Manufacturing | Saint Joseph | MO | — | ◇ UNVERIFIED |
| VEVandal Engineering INC | Tustin | CA | — | ◇ UNVERIFIED |
| VDVan Dies Engineering, Inc. | Fraser | MI | — | ◇ UNVERIFIED |
| VMVaughn Manufacturing CO INC | Nashville | TN | — | ◇ UNVERIFIED |
| VMVayco Manufacturing INC | Gardena | CA | — | ◇ UNVERIFIED |
| VMVc Machine and Fabrication LLC | Bluffton | IN | — | ◇ UNVERIFIED |
| VVersa-tech | Morgan Hill | CA | — | ◇ UNVERIFIED |
