| SGSaint Gobain Abrasives INC | Romulus | MI | — | ◇ UNVERIFIED |
| SASalih Alicajic Dba Quick Turn Machine | Anaheim | CA | — | ◇ UNVERIFIED |
| S9Saltscepter 9 LLC | Hampshire | IL | — | ◇ UNVERIFIED |
| SPSalvador Pitones | Covina | CA | — | ◇ UNVERIFIED |
| SASamuel a Bolden Park | Springfield | MA | — | ◇ UNVERIFIED |
| SMSandra Martin | Gardena | CA | — | ◇ UNVERIFIED |
| SHSandvik Hyperion | Brooklyn Center | MN | — | ◇ UNVERIFIED |
| SCSanmina CORP | San Jose | CA | — | ◇ UNVERIFIED |
| SCSanta Cruz Machining | San Jose | CA | — | ◇ UNVERIFIED |
| SCSanta Cruz Machining INC | Gilroy | CA | — | ◇ UNVERIFIED |
| SPSantos Precision INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| SISarcol INC | Chicago | IL | — | ◇ UNVERIFIED |
| SISat Industries, INC. | Schertz | TX | — | ◇ UNVERIFIED |
| SMSatterfield Manufacturing Solutions LLC | La Porte | IN | — | ◇ UNVERIFIED |
| SSSb Specialty Metals LLC | Meadville | PA | — | ◇ UNVERIFIED |
| SDSc Deburring LLC | Pacoima | CA | — | ◇ UNVERIFIED |
| SFScheele Fabrications, Incorporated | Crump | TN | — | ◇ UNVERIFIED |
| SRSchenck Rotec Corporation | Auburn Hills | MI | — | ◇ UNVERIFIED |
 Schuman Enterprises INC Dba Js Manufaturing | Oceanside | CA | — | ◇ UNVERIFIED |
| SCScientific Cutting Tools | Simi Valley | CA | — | ◇ UNVERIFIED |
| SRScorpion Restoration Concepts LLC | Castaic | CA | — | ◇ UNVERIFIED |
| STScrublin Tool Company INC | Eagan | MN | — | ◇ UNVERIFIED |
| SCS & C Tool & Manufacturing, INC. | Livonia | MI | — | ◇ UNVERIFIED |
 Scuderia Rare Parts Srp | Costa Mesa | CA | — | ◇ UNVERIFIED |
| SJScully Jones CORP | Chicago | IL | — | ◇ UNVERIFIED |
| SCS&dc CORP. | Frederick | CO | — | ◇ UNVERIFIED |
| SPSeabrook Plastics INC | Norton Shores | MI | — | ◇ UNVERIFIED |
| SLSea Lap LLC | La Verne | CA | — | ◇ UNVERIFIED |
| SPSeaway Pattern Manufacturing, Inc | Toledo | OH | — | ◇ UNVERIFIED |
| STSeco Tools INC | Troy | MI | — | ◇ UNVERIFIED |
| SRSelect Reman Exchange, LLC | Valsparo | IN | — | ◇ UNVERIFIED |
| SPSelene Photonics INC | San Leandro | CA | — | ◇ UNVERIFIED |
| SMS.e. Manufacturing, LLC | Wellington | OH | — | ◇ UNVERIFIED |
| SISepor INC | Wilmington | CA | — | ◇ UNVERIFIED |
| SFService File Sharpening CO | Livonia | MI | — | ◇ UNVERIFIED |
| STService Tool & Manufacturing Co., INC. | Franklinville | NC | — | ◇ UNVERIFIED |
| SSSetco Sales Company | Huntington Beach | CA | — | ◇ UNVERIFIED |
| SCSev - Cal Tool INC. | Santa Ana | CA | — | ◇ UNVERIFIED |
| STSgs Tool CO | Cuyahoga Falls | OH | — | ◇ UNVERIFIED |
| SMSharp Machine INC | Cannon Falls | MN | — | ◇ UNVERIFIED |
| SIShelby INC. Dba Edm Labs LTD | Fremont | CA | — | ◇ UNVERIFIED |
| SIShelby Industries Inc | Utica | MI | — | ◇ UNVERIFIED |
| SESh Engineering and Manf. | Maricopa | AZ | — | ◇ UNVERIFIED |
| SMShook Manufactured Products, INC. | Akron | OH | — | ◇ UNVERIFIED |
| STSiem Tool Company | Latrobe | PA | — | ◇ UNVERIFIED |
| SMSierra - Manufacturing Corporation | Addison | IL | — | ◇ UNVERIFIED |
| STSierra Tool & Die INC | Tuolumne | CA | — | ◇ UNVERIFIED |
| STSigg Tool & Machine Products | Levittown | PA | — | ◇ UNVERIFIED |
| SMSigma Mfg | Palmdale | CA | — | ◇ UNVERIFIED |
| SMSii Megadiamond | Provo | UT | — | ◇ UNVERIFIED |
| STSiliconvalley Tool Supply | Santa Clara | CA | — | ◇ UNVERIFIED |
| SMSilver Maple LLC | Hillman | MI | — | ◇ UNVERIFIED |
| SCSimon CNC Machining, Inc. | North Hollywood | CA | — | ◇ UNVERIFIED |
| STSimplex Tool & Mold | Sarasota | FL | — | ◇ UNVERIFIED |
| STSimsak Tool and Machine Company | Southbridge | MA | — | ◇ UNVERIFIED |
| SSSingle Source Manufacturing, LLC | North Liberty | IN | — | ◇ UNVERIFIED |
| STSirois Tool Company, INC. | Berlin | CT | — | ◇ UNVERIFIED |
| SESk Engineering | Long Beach | CA | — | ◇ UNVERIFIED |
| SISkol Investments, LLC | North Salt Lake | UT | — | ◇ UNVERIFIED |
| SMSlp Machining | San Jose | CA | — | ◇ UNVERIFIED |
| STSmith Tool Company: Industria | Casper | WY | — | ◇ UNVERIFIED |
| SMS & M Machining Company | Wixom | MI | — | ◇ UNVERIFIED |
| SESnap-on Equipment, INC. - Snap-on Equipment | Conway | AR | — | ◇ UNVERIFIED |
| SSSolid Solutions Manufacturing INC | Huntington Beach | CA | — | ◇ UNVERIFIED |
| SISolingra Inc | Manchester | NY | — | ◇ UNVERIFIED |
| SASomec, a Divison of Snk America, INC. | Sanford | FL | — | ◇ UNVERIFIED |
| SHSOSD Holdings, LLC | Kentwood | MI | — | ◇ UNVERIFIED |
| SASouth Anchor Manufacturing | El Paso | TX | — | ◇ UNVERIFIED |
 South Central Manufacturing Corporation | Summersville | MO | — | ◇ UNVERIFIED |
| SMSoutheastern Manufacturing Enterprise, INC. | Franklin | TN | — | ◇ UNVERIFIED |
| STSoutheastern Tool Co., INC. | Aiken | SC | — | ◇ UNVERIFIED |
| SGSouthern Gage INC | Erin | TN | — | ◇ UNVERIFIED |
| SRSouthern Roller INC. | Carrollton | GA | — | ◇ UNVERIFIED |
| SMSouthwest Montana Machine Works LLC | Butte | MT | — | ◇ UNVERIFIED |
| STSpark Tool, INC. | Meadville | PA | — | ◇ UNVERIFIED |
| SISpartan Industrial Holdings Llc | Grandville | MI | — | ◇ UNVERIFIED |
| STSpartan Tool & Die | Sinclairville | NY | — | ◇ UNVERIFIED |
| STSpartan Tool Sales INC | Sterling Heights | MI | — | ◇ UNVERIFIED |
| SMSparton Metal Services | Garden Grove | CA | — | ◇ UNVERIFIED |
| STSpecial Tools,Inc. | Saint Francis | MN | — | ◇ UNVERIFIED |
| SMSpecialty Machine Co., INC. | Gastonia | NC | — | ◇ UNVERIFIED |
| STSpecialty Tooling Systems INC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| SMSpectrum Metal Services INC. | Midlothian | VA | — | ◇ UNVERIFIED |
| SISperzel INC. | Cleveland | OH | — | ◇ UNVERIFIED |
| STSpringfield Tool & Die, INC. | Duncan | SC | — | ◇ UNVERIFIED |
| SASpytek Aerospace Corporation | Bensenville | IL | — | ◇ UNVERIFIED |
| SMS&s Machine and Construction, INC. | Uniontown | OH | — | ◇ UNVERIFIED |
| SStaffmark | Rogers | AR | — | ◇ UNVERIFIED |
| SCStar Custom Shielding Fabrication | Torrance | CA | — | ◇ UNVERIFIED |
| SIStar Iron Works, LLC | North Hollywood | CA | — | ◇ UNVERIFIED |
| SLStaub Laser Cutting, Inc. | Dayton | OH | — | ◇ UNVERIFIED |
| SSteelscape | Richmond | CA | — | ◇ UNVERIFIED |
| SMSteinkamp Moulding LTD | Erlanger | KY | — | ◇ UNVERIFIED |
| STStep Tools Unlimited INC Dba Destiny Tool | Morgan Hill | CA | — | ◇ UNVERIFIED |
| SGSterling Gun Drills INC. | North Bennington | VT | — | ◇ 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 |
