| SLS & L Machine Logics, Inc. | Santa Clara | CA | — | ◇ UNVERIFIED |
| SLS & L Machine Prod INC | Madison Heights | MI | — | ◇ UNVERIFIED |
| SLS. L. M., Inc. | Broadview Heights | OH | — | ◇ UNVERIFIED |
| SMSls Machining Group, LLC | Akron | OH | — | ◇ UNVERIFIED |
| SGSlyde G8 Fabrication Inc | Houston | TX | — | ◇ UNVERIFIED |
| SASmall Automation Services, LLC | Howell | MI | — | ◇ UNVERIFIED |
| SMSmart Metals | Lawrence | MA | — | ◇ UNVERIFIED |
| SISmartool, INC. | Racine | WI | — | ◇ UNVERIFIED |
| SPSmart Parts INC | Loyalhanna | PA | — | ◇ UNVERIFIED |
| SVSmart Vent Products Inc | Juno Beach | FL | — | ◇ UNVERIFIED |
| SPSMB Properties, LLC | Clarkston | MI | — | ◇ UNVERIFIED |
| SSSme Steel | Pocatello | ID | — | ◇ UNVERIFIED |
| SESMF Enterprises, LLC | Republic | MO | — | ◇ UNVERIFIED |
| SISm Iron - Repair INC | Sanborn | MN | — | ◇ UNVERIFIED |
| SASmith Architectural Metals, LLC | Greensboro | NC | — | ◇ UNVERIFIED |
| SASmith Art Conservation LLC | Los Angeles | CA | — | ◇ UNVERIFIED |
| SESmith Equipment and Welding | Prineville | OR | — | ◇ 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 |
| SSSmith & Sons Machine, Inc. | Brockton | MA | — | ◇ UNVERIFIED |
| STSmith Tool & Machine, LLC | Temperance | MI | — | ◇ UNVERIFIED |
| SWSmith Welding | Cedartown | GA | — | ◇ UNVERIFIED |
| SISmithworks Iron and Design Inc. | Decatur | GA | — | ◇ UNVERIFIED |
| SISmithworks Iron & Design, Inc. | Decatur | GA | — | ◇ 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 |
| SISms Industries LLC | Hamden | CT | — | ◇ UNVERIFIED |
| SISmt Incorporated - Raleigh Plant | Raleigh | NC | — | ◇ UNVERIFIED |
| SMS & M Tool, INC. | Oneida | WI | — | ◇ UNVERIFIED |
| SISMW Inc | Billings | MT | — | ◇ UNVERIFIED |
| STSmw Technologies LLC | Taylor | MI | — | ◇ UNVERIFIED |
| SISmyth Industries INC. | Tucson | AZ | — | ◇ UNVERIFIED |
| SMSmyth Metal Works LLC | Montpelier | VT | — | ◇ UNVERIFIED |
| SNS N A P Automotive Performance LLC | Lawrenceburg | KY | — | ◇ UNVERIFIED |
| SASnappy Adp Div of Standex International | Detroit Lakes | MN | — | ◇ UNVERIFIED |
| SMSnappy Manufacturing | Medina | NY | — | ◇ UNVERIFIED |
| SPSng Precision Machining, INC. | Prairie Farm | WI | — | ◇ UNVERIFIED |
| SSSnodgrass Sheet Metal | Lanett | AL | — | ◇ UNVERIFIED |
 Snoe INC. Machining & Welding | Caldwell | TX | — | ◇ UNVERIFIED |
| SFSnw Fabrication, LLC | Robstown | TX | — | ◇ UNVERIFIED |
| SISnyder Industries | Houston | TX | — | ◇ UNVERIFIED |
| SISnyder Industries INC | Mancelona | MI | — | ◇ UNVERIFIED |
| SISnyder Industries INC | Seattle | WA | — | ◇ UNVERIFIED |
| STSobot Tool and Mfg. Co., INC. | Northbrook | IL | — | ◇ UNVERIFIED |
| SCSo Cal Tank & Fab | Chino | CA | — | ◇ UNVERIFIED |
| SASodick America CORP. | San Jose | CA | — | ◇ UNVERIFIED |
| SOSolar of Michigan | Coopersville | MI | — | ◇ UNVERIFIED |
| SISolher Iron, Inc. | San Francisco | CA | — | ◇ UNVERIFIED |
| SRSolid Rock Gate Supply, INC Dba Welding Fabrication Services | Post Falls | ID | — | ◇ UNVERIFIED |
| SSSolid Scope Machining CO INC | Carson | 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 |
| SSSolutions Sheetmetal Inc. | Brooklyn | NY | — | ◇ UNVERIFIED |
| SOS & O Machines, INC. | Conroe | TX | — | ◇ UNVERIFIED |
| SASomec, a Divison of Snk America, INC. | Sanford | FL | — | ◇ UNVERIFIED |
| STSonny Taylor Enterprises, LLC | Deland | FL | — | ◇ UNVERIFIED |
| SWSonoma Welding & Fabrication LLC | Cape May | NJ | — | ◇ UNVERIFIED |
| SCSonoran Capital Group, INC. | Tucson | AZ | — | ◇ 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 |
| SASouth Anna Stair & Rail | Norfolk | VA | — | ◇ UNVERIFIED |
| SBSouth Bay Iron, INC | Buena Park | CA | — | ◇ UNVERIFIED |
| SSSouthbridge Sheet Metal | Southbridge | MA | — | ◇ UNVERIFIED |
| SCSouth Central Precision Machine, CORP | Richfield | UT | — | ◇ UNVERIFIED |
| SCSouth County Muffler | Morgan Hill | CA | — | ◇ UNVERIFIED |
| SCSouth County Sheet Metal & Specialties INC | La Pine | OR | — | ◇ UNVERIFIED |
| SMSoutheastern Metal Fabricator | Rockland | MA | — | ◇ UNVERIFIED |
| SMSoutheastern Metal Products LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| SMSoutheastern Metals | Jacksonville | FL | — | ◇ UNVERIFIED |
| SSSoutheastern Stud & Components, INC. | Montgomery | AL | — | ◇ UNVERIFIED |
| STSoutheastern Tool & Die | Aberdeen | NC | — | ◇ UNVERIFIED |
| SFSouth-east Fabricators INC. | Rocky Mount | NC | — | ◇ UNVERIFIED |
| SASouthern Aluminum Finishing D.b.a. Saf Metal Fab | Villa Rica | GA | — | ◇ UNVERIFIED |
| SASouthern Aluminum Finishing D.b.a. Saf Metal Fab | Atlanta | GA | — | ◇ UNVERIFIED |
| SCSouthern Carbide, INC. | Shreveport | LA | — | ◇ UNVERIFIED |
 Southern Fabricators, INC. | Polkton | NC | — | ◇ UNVERIFIED |
| SMSouthern Machine and Tool, Inc. | Georgetown | SC | — | ◇ UNVERIFIED |
| SNSouthern Nut 'n Tree Equipment | Goldthwaite | TX | — | ◇ UNVERIFIED |
| SSSouthern Sheet Metal, INC. | Suffolk | VA | — | ◇ UNVERIFIED |
| SSSouthern Specialties CORP | Tulsa | OK | — | ◇ UNVERIFIED |
| SFSouth Florida Aluminum INC. | Lake Worth | FL | — | ◇ UNVERIFIED |
| SFSouth Fork Industries, Inc. | Lebanon | OR | — | ◇ UNVERIFIED |
| SFSouth Fulton Machine Works, INC. | Atlanta | GA | — | ◇ UNVERIFIED |
| SGSouth Gate Engineering LLC | Chino | CA | — | ◇ UNVERIFIED |
| SMSouth Machine Shop | Brownsville | TX | — | ◇ UNVERIFIED |
| SMSouth Metro Wire Edm INC | Shakopee | MN | — | ◇ UNVERIFIED |
| STSouth Texas Sheet Metal LLC | Houston | TX | — | ◇ UNVERIFIED |
| SMSouthwark Metal | Southaven | MS | — | ◇ UNVERIFIED |
