| RAR a Jones & Company INC | Covington | KY | — | ◇ UNVERIFIED |
| RMRavinder M. Joshi and Vaishali M. Joshi, Trustees of the M Joshi Revocable Living Trust dated May 10, 2020 | Jurupa Valley | CA | — | ◇ UNVERIFIED |
| RRRed River Manufacturing, LLC | Searcy | AR | — | ◇ UNVERIFIED |
| RMReed Machine and Fabrication LLC | Green River | WY | — | ◇ UNVERIFIED |
| RMReed Machinery, INC. Only Location | Worcester | MA | — | ◇ UNVERIFIED |
| RIRegal Ind Donora Plt | Donora | PA | — | ◇ UNVERIFIED |
| RMRepair Machine and Engineering INC | Gardena | CA | — | ◇ UNVERIFIED |
| RGResearch Group Three INC | Anaheim | CA | — | ◇ UNVERIFIED |
| REReuland Electric CO | Brea | CA | — | ◇ UNVERIFIED |
| RSRichard Sheet Metal | Paterson | NJ | — | ◇ UNVERIFIED |
| RJRichardson Joyce | Newbury Park | CA | — | ◇ UNVERIFIED |
| RMRios Machine & Tool | Shelton | CT | — | ◇ UNVERIFIED |
| RPRival Precision Manufacturing Rpm LLC | Alvarado | TX | — | ◇ UNVERIFIED |
| RORobert O'dell Designs | Santa Rosa | CA | — | ◇ UNVERIFIED |
 Robert Wall Enterprises Dba Sawing Services | Chatsworth | CA | — | ◇ UNVERIFIED |
| RMRocky Mountain Machine Shop Inc.- Salt Lake City Machine Shop | Salt Lake City | UT | — | ◇ UNVERIFIED |
| RTRoehr Tool Solutions | Sterling | MA | — | ◇ UNVERIFIED |
| RTRoma Tool INC | Rochester Hills | MI | — | ◇ UNVERIFIED |
| RGRonald Gromak Estate | Santa Maria | CA | — | ◇ UNVERIFIED |
| RERtt Engineering .com | Chatsworth | 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 |
| SASamuel a Bolden Park | Springfield | MA | — | ◇ UNVERIFIED |
| SCSanta Cruz Machining | San Jose | CA | — | ◇ UNVERIFIED |
| SCSanta Cruz Machining INC | Gilroy | CA | — | ◇ 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 |
| SRScorpion Restoration Concepts LLC | Castaic | CA | — | ◇ UNVERIFIED |
 Scuderia Rare Parts Srp | Costa Mesa | CA | — | ◇ UNVERIFIED |
| SCS&dc CORP. | Frederick | CO | — | ◇ UNVERIFIED |
| SLSea Lap LLC | La Verne | CA | — | ◇ 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 |
| SCSev - Cal Tool INC. | Santa Ana | CA | — | ◇ UNVERIFIED |
| SIShelby INC. Dba Edm Labs LTD | Fremont | CA | — | ◇ UNVERIFIED |
| SMSigma Mfg | Palmdale | CA | — | ◇ UNVERIFIED |
| STSiliconvalley Tool Supply | Santa Clara | CA | — | ◇ UNVERIFIED |
| SCSimon CNC Machining, Inc. | North Hollywood | CA | — | ◇ UNVERIFIED |
| STSimplex Tool & Mold | Sarasota | FL | — | ◇ UNVERIFIED |
| SISkol Investments, LLC | North Salt Lake | UT | — | ◇ UNVERIFIED |
| SMSlp Machining | San Jose | CA | — | ◇ UNVERIFIED |
| SESnap-on Equipment, INC. - Snap-on Equipment | Conway | AR | — | ◇ UNVERIFIED |
| SSSolid Solutions Manufacturing INC | Huntington Beach | CA | — | ◇ UNVERIFIED |
| SASomec, a Divison of Snk America, INC. | Sanford | FL | — | ◇ UNVERIFIED |
| SHSOSD Holdings, LLC | Kentwood | MI | — | ◇ UNVERIFIED |
