| RPRid-lom Precision Mfg. CORP. | Rochester | NY | — | ◇ UNVERIFIED |
| RIR & I Enterprises, INC. | Brownsville | TX | — | ◇ UNVERIFIED |
| RMRios Machine & Tool | Shelton | CT | — | ◇ UNVERIFIED |
| RPRival Precision Manufacturing Rpm LLC | Alvarado | TX | — | ◇ UNVERIFIED |
| RTRjs Tool & Gage INC | Birmingham | MI | — | ◇ UNVERIFIED |
| RJR. J. Zeman Tool & Mfg. Co., INC. | Waukesha | WI | — | ◇ UNVERIFIED |
| RCR.k. Cylindrical Grinding INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| RERlb Engineering Company INC | Valencia | CA | — | ◇ UNVERIFIED |
| RTRml Tool and Die Company | Cleveland | OH | — | ◇ UNVERIFIED |
| RTRoark Tools | Chester | NJ | — | ◇ UNVERIFIED |
| RTRobbins Tools Die & Mfg CO INC | Henderson | TN | — | ◇ UNVERIFIED |
| RORobert O'dell Designs | Santa Rosa | CA | — | ◇ UNVERIFIED |
 Robert Wall Enterprises Dba Sawing Services | Chatsworth | CA | — | ◇ UNVERIFIED |
| RTRochester Tool & Cutter | Rochester Hills | MI | — | ◇ UNVERIFIED |
| RPRodak Plastics CO. INC. | Hayward | CA | — | ◇ UNVERIFIED |
| RPRoebuck Precision Machine, INC | Goldsboro | NC | — | ◇ UNVERIFIED |
| RTRoehr Tool Solutions | Sterling | MA | — | ◇ UNVERIFIED |
| RTRogers Tool Works | Rogers | AR | — | ◇ UNVERIFIED |
| RSRolled Shapes & Engineering INC | Fraser | MI | — | ◇ UNVERIFIED |
| RGRonald Gromak Estate | Santa Maria | CA | — | ◇ UNVERIFIED |
| RIRosenquist, INC. | N Wilkesboro | NC | — | ◇ UNVERIFIED |
| RSRosey Steel Rule Die Co., INC. | Dalton | GA | — | ◇ UNVERIFIED |
| RCRoto-die Company INC | Anaheim | CA | — | ◇ UNVERIFIED |
| RMRoyal Maple Metal Sales LLC | Mc Bain | MI | — | ◇ UNVERIFIED |
| RPRoyal Products | Hauppauge | NY | — | ◇ UNVERIFIED |
| RSRr Street & CO INC | Chicago | IL | — | ◇ UNVERIFIED |
| RRR & R Tool & Die Company | Villa Ridge | MO | — | ◇ UNVERIFIED |
| RSRte St. Charles, INC. | Saint Charles | IL | — | ◇ UNVERIFIED |
| RERtt Engineering .com | Chatsworth | CA | — | ◇ UNVERIFIED |
| RCRuch Carbide Burs, INC. | Willow Grove | PA | — | ◇ UNVERIFIED |
| RDRule Designs INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| RTRural Tool & Die, INC. | Dodd City | TX | — | ◇ UNVERIFIED |
| RHRushford Hypersonic LLC | Winona | MN | — | ◇ UNVERIFIED |
| SCSaam CORP Dba Vertex Diamond Tool | San Dimas | CA | — | ◇ UNVERIFIED |
| SDSaber Diamond Tools, INC. | Villa Rica | GA | — | ◇ UNVERIFIED |
| SGSaint Gobain Abrasives INC | Romulus | MI | — | ◇ UNVERIFIED |
| SASalih Alicajic Dba Quick Turn Machine | Anaheim | CA | — | ◇ UNVERIFIED |
| S9Saltscepter 9 LLC | Hampshire | IL | — | ◇ UNVERIFIED |
| STSalvadore Tool & Findings INC. | Providence | RI | — | ◇ UNVERIFIED |
| SPSalvador Pitones | Covina | CA | — | ◇ UNVERIFIED |
| SASamir Aziz | North Hollywood | 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 |
 Schuman Enterprises INC Dba Js Manufaturing | Oceanside | CA | — | ◇ UNVERIFIED |
| SCScientific Cutting Tools | Simi Valley | CA | — | ◇ UNVERIFIED |
| SRScorpion Restoration Concepts LLC | Castaic | CA | — | ◇ UNVERIFIED |
| SEScotty's Electric Motor Repair INC | Orland | 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 |
| 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 |
| 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 |
| 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 |
| SSSmeal Sfa LLC | Snyder | NE | — | ◇ 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 |
| SISnap-tite INC / Nat'l Fire Ho | Compton | CA | — | ◇ UNVERIFIED |
| SSSoftrol Systems, INC | Acworth | GA | — | ◇ UNVERIFIED |
