| SMShrewsbury Machine & Gear, INC. | Athens | WV | — | ◇ UNVERIFIED |
| SMShunn Machining LLC | Lowell | AR | — | ◇ UNVERIFIED |
| SESiemens Energy, INC | Geismar | LA | — | ◇ UNVERIFIED |
| STSierra Torque Converters,dba Nasir Kassa | Ontario | CA | — | ◇ UNVERIFIED |
| SISigmamotor INC. | Middleport | NY | — | ◇ UNVERIFIED |
| SCSignature Cnc LLC | Harrison Township | MI | — | ◇ UNVERIFIED |
| SLSilva LLC | Lockport | NY | — | ◇ UNVERIFIED |
| SISimonds INC | Southbridge | MA | — | ◇ UNVERIFIED |
| STSimple Tool Co, INC. | Gloucester | MA | — | ◇ UNVERIFIED |
| SISinecera INC Dba Crown Precision | Irwindale | CA | — | ◇ UNVERIFIED |
 Sinicon Plastics INC | Lenox | MA | — | ◇ UNVERIFIED |
| SMSirota's Machine Company, INC. | New Brighton | PA | — | ◇ UNVERIFIED |
| SQSir Q LLC | Williston | ND | — | ◇ UNVERIFIED |
| SESisson Engineering Corp. | Northfield | MA | — | ◇ UNVERIFIED |
| SSSix States Distributors INC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| SHSJK Holdings LLC | Minerva | OH | — | ◇ UNVERIFIED |
| STSJP Tool Inc | West Boylston | MA | — | ◇ UNVERIFIED |
| SMSjs Machine LLC | Fayetteville | TN | — | ◇ UNVERIFIED |
| SPSka Precision Machining LLC or Nominee | Bedford | NH | — | ◇ UNVERIFIED |
| SSSKB Supply, L.L.C. | Orangeville | UT | — | ◇ UNVERIFIED |
| SCSkimcut, Corporation | Portage | IN | — | ◇ UNVERIFIED |
| SKS & K Machine, INC. | West Jordan | UT | — | ◇ UNVERIFIED |
| SKS & K Powder Coating INC Dba S & K Powder Coating | Bowling Green | KY | — | ◇ UNVERIFIED |
| SMSks Machine, INC. | Wisconsin Rapids | WI | — | ◇ UNVERIFIED |
| SMSkw Manufacturing LLC | Lubbock | TX | — | ◇ UNVERIFIED |
| SESkytek Engineering | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| SASkyway Assets LLC | Fort Worth | TX | — | ◇ UNVERIFIED |
| S1Sl 19964 #1 Production Facility - S Pass Block 12 Field | Venice | LA | — | ◇ UNVERIFIED |
| SPSlate PDO LLC | Tyrone | PA | — | ◇ UNVERIFIED |
| SESl Engineering CO | Huntington Beach | CA | — | ◇ UNVERIFIED |
| SESl Engineering Company | Costa Mesa | CA | — | ◇ UNVERIFIED |
| SLS & L Machine Logics, Inc. | Santa Clara | CA | — | ◇ UNVERIFIED |
| SLS & L Machine Prod INC | Madison Heights | MI | — | ◇ UNVERIFIED |
| SMSls Machining Group, LLC | Akron | OH | — | ◇ UNVERIFIED |
| SGSlyde G8 Fabrication Inc | Houston | TX | — | ◇ UNVERIFIED |
| SASmall Automation Services, LLC | Howell | MI | — | ◇ UNVERIFIED |
| SBSmall Boat Company LLC | Carson | CA | — | ◇ UNVERIFIED |
| SISmartool, INC. | Racine | WI | — | ◇ UNVERIFIED |
| SPSmart Parts INC | Loyalhanna | PA | — | ◇ UNVERIFIED |
| SPSMB Properties, LLC | Clarkston | MI | — | ◇ UNVERIFIED |
| SISmdi, INC. | Oklahoma City | OK | — | ◇ UNVERIFIED |
| SMSmi Manufacturing INC. | Houston | TX | — | ◇ UNVERIFIED |
| SISm Iron - Repair INC | Sanborn | MN | — | ◇ UNVERIFIED |
| SBSmith Bits a Schlumberger CO / Smith Bits | Ponca City | OK | — | ◇ UNVERIFIED |
 Smith International | Houston | TX | — | ◇ UNVERIFIED |
| Smith International INC | Buckhannon | WV | — | ◇ UNVERIFIED |
| SMSmith Machine, LLC | Sunapee | NH | — | ◇ UNVERIFIED |
| SMSmith Machine, LLC. | Cottondale | AL | — | ◇ UNVERIFIED |
| SMSmith Machine Service INC | Hilliard | FL | — | ◇ UNVERIFIED |
| SPSmith"s Performance and Machine L.L.C. | Holland | NY | — | ◇ UNVERIFIED |
| SMSmith's Machine, LLC | Cottondale | AL | — | ◇ UNVERIFIED |
| SESml Engineering INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| SMS & M Machine Services INC | Oconto Falls | WI | — | ◇ UNVERIFIED |
| SISmr INC Dba Tube Solutions | Costa Mesa | CA | — | ◇ 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 |
| SPSng Precision Machining, INC. | Prairie Farm | WI | — | ◇ UNVERIFIED |
 Snoe INC. Machining & Welding | Caldwell | TX | — | ◇ UNVERIFIED |
| SISnyder Industries INC | Seattle | WA | — | ◇ UNVERIFIED |
| STSobot Tool and Mfg. Co., INC. | Northbrook | IL | — | ◇ UNVERIFIED |
| SASodick America CORP. | San Jose | CA | — | ◇ UNVERIFIED |
| SOSolaris Oilfield Infrastructure | Early | TX | — | ◇ UNVERIFIED |
| SISoli-bond INC | Bakersfield | CA | — | ◇ 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 |
| SISond Industries LLC | Houston | TX | — | ◇ 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, LLC | Montoursville | PA | — | ◇ UNVERIFIED |
| SBSotek Belrix | Hamburg | NY | — | ◇ UNVERIFIED |
| SFSource Fluid Power INC Dba Vector Engineering CO | Chaska | MN | — | ◇ UNVERIFIED |
| SMSource Machine INC | Burnsville | MN | — | ◇ UNVERIFIED |
| STSource Too Machine INC. | Winnemucca | NV | — | ◇ UNVERIFIED |
| SCSouth Central Precision Machine, CORP | Richfield | UT | — | ◇ UNVERIFIED |
| SCSouth County Muffler | Morgan Hill | CA | — | ◇ UNVERIFIED |
| SFSouth-east Fabricators INC. | Rocky Mount | NC | — | ◇ UNVERIFIED |
| SCSouthern Carbide, INC. | Shreveport | LA | — | ◇ UNVERIFIED |
| SMSouthern Machine and Tool, Inc. | Georgetown | SC | — | ◇ UNVERIFIED |
| SNSouthern Nut 'n Tree Equipment | Goldthwaite | TX | — | ◇ UNVERIFIED |
| SFSouth Fork Industries, Inc. | Lebanon | OR | — | ◇ UNVERIFIED |
| SFSouth Fulton Machine Works, INC. | Atlanta | GA | — | ◇ UNVERIFIED |
| SMSouth Machine Shop | Brownsville | TX | — | ◇ UNVERIFIED |
| SMSouth Metro Wire Edm INC | Shakopee | MN | — | ◇ UNVERIFIED |
| SOSouthwest Oilfield Products INC | Houston | TX | — | ◇ UNVERIFIED |
| SVSouthwest Valve, INC. | Gonzales | LA | — | ◇ UNVERIFIED |
| SSovema | Saint Louis | MO | — | ◇ UNVERIFIED |
| SSSpecial Service Products, INC. | Carrollton | GA | — | ◇ UNVERIFIED |
| SDSpecialty Design & Manufacturing, INC. | Reading | PA | — | ◇ UNVERIFIED |
| SGSpecialty Groups INC Shop | Lost Creek | WV | — | ◇ UNVERIFIED |
| SLSpecialty Laminates USA INC | Eugene | OR | — | ◇ UNVERIFIED |
| SLSpecialty Laminate USA INC | Eugene | OR | — | ◇ UNVERIFIED |
| SSSpecialty Steel Solutions | Kenton | OH | — | ◇ UNVERIFIED |
