| SGSaint Gobain Abrasives INC | Romulus | MI | — | ◇ UNVERIFIED |
| SGSaint Gobain Semicon Equipment | San Jose | CA | — | ◇ UNVERIFIED |
| SCSak Construction | Fresno | CA | — | ◇ UNVERIFIED |
| SASalih Alicajic Dba Quick Turn Machine | Anaheim | CA | — | ◇ UNVERIFIED |
| STSalvadore Tool & Findings INC. | Providence | RI | — | ◇ UNVERIFIED |
| SASamir Aziz | North Hollywood | CA | — | ◇ UNVERIFIED |
| SASamuel a Bolden Park | Springfield | MA | — | ◇ UNVERIFIED |
| SBSanta Barabara Applied Optics | Ventura | CA | — | ◇ 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 |
 Schuman Enterprises INC Dba Js Manufaturing | Oceanside | CA | — | ◇ UNVERIFIED |
| SCSchwing Concrete Pump Repair | North Branch | MN | — | ◇ UNVERIFIED |
| SRScorpion Restoration Concepts LLC | Castaic | CA | — | ◇ UNVERIFIED |
| SEScotty's Electric Motor Repair INC | Orland | CA | — | ◇ UNVERIFIED |
 Scuderia Rare Parts Srp | Costa Mesa | CA | — | ◇ 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 |
| SCSequa CORP Standun Canforming | East Rancho Dominguez | CA | — | ◇ UNVERIFIED |
| SCSev - Cal Tool INC. | Santa Ana | CA | — | ◇ UNVERIFIED |
 Sewer Equipment CO of America | Chadwick | IL | — | ◇ UNVERIFIED |
| SIShelby INC. Dba Edm Labs LTD | Fremont | CA | — | ◇ UNVERIFIED |
| SMSigma Mfg | Palmdale | CA | — | ◇ UNVERIFIED |
| SVSilicon Valley Wafer Plating Equipment | 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 |
| SSSmeal Sfa LLC | Snyder | NE | — | ◇ 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 |
| SSSolid Solutions Manufacturing INC | Huntington Beach | CA | — | ◇ UNVERIFIED |
| SASomec, a Divison of Snk America, INC. | Sanford | FL | — | ◇ UNVERIFIED |
| SHSOSD Holdings, LLC | Kentwood | MI | — | ◇ UNVERIFIED |
 South Central Manufacturing Corporation | Summersville | MO | — | ◇ UNVERIFIED |
| SMSoutheastern Manufacturing Enterprise, INC. | Franklin | TN | — | ◇ UNVERIFIED |
| SRSouthern Roller INC. | Carrollton | GA | — | ◇ UNVERIFIED |
| SMSouthwest Montana Machine Works LLC | Butte | MT | — | ◇ UNVERIFIED |
| SPSouthwest Products CO | Irwindale | CA | — | ◇ UNVERIFIED |
| SMSparton Metal Services | Garden Grove | CA | — | ◇ UNVERIFIED |
| STSpecial Tools,Inc. | Saint Francis | MN | — | ◇ UNVERIFIED |
| SMSpectrum Metal Services INC. | Midlothian | VA | — | ◇ UNVERIFIED |
| SWSpotless Water Systems, LLC | Punta Gorda | FL | — | ◇ UNVERIFIED |
| SSSpray Sys INC | Pomona | CA | — | ◇ UNVERIFIED |
| SRS & R Precision Company | Fremont | CA | — | ◇ UNVERIFIED |
| STStandard Thomson CORP | Waltham | MA | — | ◇ UNVERIFIED |
