| SCSimon CNC Machining, Inc. | North Hollywood | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| STSimplex Tool & Mold | Sarasota | FL | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SISkol Investments, LLC | North Salt Lake | UT | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SMSlp Machining | San Jose | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SESnap-on Equipment, INC. - Snap-on Equipment | Conway | AR | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SSSolid Solutions Manufacturing INC | Huntington Beach | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SASomec, a Divison of Snk America, INC. | Sanford | FL | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SHSOSD Holdings, LLC | Kentwood | MI | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
 South Central Manufacturing Corporation | Summersville | MO | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SMSoutheastern Manufacturing Enterprise, INC. | Franklin | TN | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SRSouthern Roller INC. | Carrollton | GA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SMSouthwest Montana Machine Works LLC | Butte | MT | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SMSparton Metal Services | Garden Grove | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| STSpecial Tools,Inc. | Saint Francis | MN | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SMSpectrum Metal Services INC. | Midlothian | VA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SIStar Iron Works, LLC | North Hollywood | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| STStep Tools Unlimited INC Dba Destiny Tool | Morgan Hill | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SSteverosten | Redding | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SMStone Machine Company LLC | Fort Loudon | PA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SCStoner CNC, LLC | Archbold | OH | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SStratmet | Milpitas | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SMSummit Machine Inc. | Saint Paul | MN | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SDSuspension Development Group | El Cajon | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SMSwafford-Kientzy Machine & Fabrication, Inc | Troy | MO | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SMSwagelok Manufacturing CO LLC | Solon | OH | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| SSSwenson Steel Products Company INC Dba Swenson Shear | Atwater | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| SLSymmetry LLC Dba Symmetry Laser | Davis | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| TCTapmatic CORP | Irvine | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| TDT D Manufacturing INC. | Garden Grove | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| TMTechpro Manufacturing INC | Salinas | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| TMTechpro Manufacturing INC | Salinas | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| THTiger Heart Metal Works LLC | Dallas | TX | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
 Tiger Precision Machining | Manteca | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| TPTioga Pipe Supply CO. INC | Philadelphia | PA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| TTiss | Houston | TX | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| TMTlc Machining in C | San Jose | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| TRTM Realty, LLC | Muskegon | MI | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| TMTrak Machine Tools | Boxborough | MA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| TITrumpf INC | Costa Mesa | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| TITru-op Industries, INC. | Santa Fe Springs | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| TETyco Electronics CORP | Harrisburg | PA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| UMUltimate Metal Manufacturing LLC | Phoenix | AZ | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| UDUniversal / Devlieg Inc. | Saginaw | MI | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| UHUniversal Hydrogen | Hawthorne | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| UIUnova Ind Automation/landis Gardner Div | Waynesboro | PA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| UOUsdol Osha - Cincinnati Area Office | Fairfield | OH | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| UTUS Tool Grinding Tool INC Dba US Tool Group Palmdale | Los Angeles | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| ULUva Lidkoping INC | Milford | MA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| UAUX Atlanta LLC | Conyers | GA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| VLValley Lapping INC | San Jose | CA | Machinery Manufacturing333314 | — | ◇ UNVERIFIED |
