| SMSmith Machine, LLC. | Cottondale | AL | — | ◇ UNVERIFIED |
| SMSmith Machine Service INC | Hilliard | FL | — | ◇ UNVERIFIED |
| SPSmith"s Performance and Machine L.L.C. | Holland | NY | — | ◇ UNVERIFIED |
 Smiths Interconnect INC | South Deerfield | MA | — | ◇ UNVERIFIED |
| SMSmith's Machine, LLC | Cottondale | AL | — | ◇ UNVERIFIED |
| SSSmith SS, LLC | Bowling Green | OH | — | ◇ UNVERIFIED |
| SMSmj Metal Co., INC | Amherst | MA | — | ◇ UNVERIFIED |
| SMS.m.k. Machine & Fabrication, INC. | Ringgold | GA | — | ◇ UNVERIFIED |
| SESml Engineering INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| SMS & M Machine Services INC | Oconto Falls | WI | — | ◇ UNVERIFIED |
| SMSmoky Mountain Rod & Customs, LLC | Knoxville | TN | — | ◇ UNVERIFIED |
| SESMP Engineering, Inc. | Arcadia | CA | — | ◇ UNVERIFIED |
| SISmr INC Dba Tube Solutions | Costa Mesa | CA | — | ◇ UNVERIFIED |
| SISms Industries, LLC. | Las Vegas | NV | — | ◇ UNVERIFIED |
| SMSmtc Manufacturing CORP of Massachusetts | Franklin | MA | — | ◇ UNVERIFIED |
| SMS & M Tool, INC. | Oneida | WI | — | ◇ UNVERIFIED |
| SISMW Inc | Billings | MT | — | ◇ UNVERIFIED |
| STSmw Technologies LLC | Taylor | MI | — | ◇ UNVERIFIED |
| SNS N A P Automotive Performance LLC | Lawrenceburg | KY | — | ◇ UNVERIFIED |
| STSnapp Tool & Die, Inc. | El Paso | TX | — | ◇ UNVERIFIED |
| SPSng Precision Machining, INC. | Prairie Farm | WI | — | ◇ UNVERIFIED |
 Snoe INC. Machining & Welding | Caldwell | TX | — | ◇ UNVERIFIED |
| SESnowline Engineering | Shingle Springs | CA | — | ◇ UNVERIFIED |
| SESnyder Equipment Co., INC. | Nixa | MO | — | ◇ UNVERIFIED |
| SISnyder Industries INC | Seattle | WA | — | ◇ UNVERIFIED |
 Snyder Manufacturing, Inc. | Salamanca | NY | — | ◇ UNVERIFIED |
| STSobot Tool and Mfg. Co., INC. | Northbrook | IL | — | ◇ UNVERIFIED |
| SASodick America CORP. | San Jose | CA | — | ◇ UNVERIFIED |
| SPSolidification Products International, INC | North Haven | CT | — | ◇ UNVERIFIED |
| SMSollock Metal Works, LLC | Clute | TX | — | ◇ UNVERIFIED |
| SISolmac, INC. | Buffalo | NY | — | ◇ UNVERIFIED |
| SPSolmar Precision Machining LLC | Ramona | CA | — | ◇ UNVERIFIED |
| STSolomon Tool & Machine LLC | Somerset | KY | — | ◇ UNVERIFIED |
| SOSolors Optional Axis INC | Elk River | MN | — | ◇ UNVERIFIED |
| SOSolors Optional Axis INC | Elk River | MN | — | ◇ UNVERIFIED |
| SOS & O Machines, INC. | Conroe | TX | — | ◇ UNVERIFIED |
| SASomec, a Divison of Snk America, INC. | Sanford | FL | — | ◇ UNVERIFIED |
| SCSomerset Consolidate/somerset | Somerset | PA | — | ◇ UNVERIFIED |
| SISomething in the Orange | Colorado Springs | CO | — | ◇ UNVERIFIED |
| SMSondrol Machining LLC | Sunburg | MN | — | ◇ UNVERIFIED |
| STSonny Taylor Enterprises, LLC | Deland | FL | — | ◇ UNVERIFIED |
| SPSon Phi Ho and Kelly Troung Ho, Trustees of The Ho Family Living Trust Dated 09/ | Campbell | CA | — | ◇ UNVERIFIED |
| SMSooner Manufacturing | Tulsa | OK | — | ◇ UNVERIFIED |
| SPSooner Pipe Crosby Yard | Crosby | TX | — | ◇ UNVERIFIED |
| SPSooner Pipe, LLC | Montoursville | PA | — | ◇ UNVERIFIED |
| SBSorenson Bioscience INC. | Murray | UT | — | ◇ UNVERIFIED |
| SISos/aaa Iron Works INC | Mobile | AL | — | ◇ UNVERIFIED |
| SSSo Safe Equipment | Motley | MN | — | ◇ UNVERIFIED |
| SBSotek Belrix | Hamburg | NY | — | ◇ UNVERIFIED |
| SFSource Fluid Power INC Dba Vector Engineering CO | Chaska | MN | — | ◇ UNVERIFIED |
