Southwest Industrial Sales LLC | Chandler | AZ | — | ● ACTIVE |
| SMSouthwest Metalcrafts CORP | Tucson | AZ | — | ● ACTIVE |
Southwest Precision Machining, L.l.c. | Tucson | AZ | — | ● ACTIVE |
Southwest Rural Electric Association INC | Tipton | OK | — | ● ACTIVE |
Space Machine & Engineering CORP. | Saint Petersburg | FL | — | ● ACTIVE |
| SPSpace Projects Limited | Midland | VA | — | ● ACTIVE |
Spacetronics LLC | Fullerton | CA | — | ● ACTIVE |
Spang & CO | Pittsburgh | PA | — | ● ACTIVE |
Spartan Machine LLC | Spring | TX | — | ● ACTIVE |
Spearpoint Manufacturing LLC | Traverse City | MI | — | ● ACTIVE |
Specialty Roller and Machine INC | Berwick | PA | — | ● ACTIVE |
Specified Manufacturing LLC | Mesa | AZ | — | ● ACTIVE |
Spectra-tech, INC. | Hanover Park | IL | — | ● ACTIVE |
| SLSpectron LLC | Buellton | CA | 20–99 | ● ACTIVE |
| SCSpectrum Control INC | Frederick | MD | — | ● ACTIVE |
| SCSpectrum Control INC | Delmar | DE | — | ● ACTIVE |
| SMSpectrum Microwave INC | Philadelphia | PA | — | ● ACTIVE |
Speedy Metals, INC | Placentia | CA | — | ● ACTIVE |
Spencer CORP | Santa Clara | CA | — | ● ACTIVE |
Spg Surface Technologies, LLC | New Orleans | LA | — | ● ACTIVE |
Spheres INC. | Hawthorne | CA | — | ● ACTIVE |
Spiffy Widgets LLC | Holden | MO | — | ● ACTIVE |
Spinlab Cnc INC | Bedford | NH | — | ● ACTIVE |
| SFSpintek Foundry and Machine LLC | Mound House | NV | — | ● ACTIVE |
Spline Arc LLC | Sugar Land | TX | — | ● ACTIVE |
| SPS P Manufacturing, LLC | Hialeah | FL | — | ● ACTIVE |
| SISpyco Industries INC | Burr Ridge | IL | — | ● ACTIVE |
| SMSrl Motors Incorporated | Frisco | TX | — | ● ACTIVE |
Srm Ii, INC | South Beloit | IL | — | ● ACTIVE |
| SSS & S Commercial Fishing Equipment, Incorporated | Roseville | CA | — | ● ACTIVE |
S & S Machine, INC. | Irving | TX | — | ● ACTIVE |
| SSS & S Tool & Machine CO | Russell Springs | KY | — | ● ACTIVE |
Stafl Systems, LLC | South San Francisco | CA | — | ● ACTIVE |
Stamprite Machine Company INC. | Manchester | CT | — | ● ACTIVE |
Standard Industries LLC | Camarillo | CA | — | ● ACTIVE |
Standard Machine, LLC | Cleveland | OH | — | ● ACTIVE |
Standard Machine & Manufacturing, LLC | Greenville | KY | — | ● ACTIVE |
Standex International Corporation | Wakefield | MA | — | ● ACTIVE |
Stanford Computer Optics, INC. | Berkeley | CA | — | ● ACTIVE |
Stanfordville Machine & Manufacturing CO INC | Poughkeepsie | NY | — | ● ACTIVE |
Stangroup LLC | Knoxville | PA | — | ● ACTIVE |
Stanton Precision Products L.l.c | Butler | NJ | — | ● ACTIVE |
Starn Tool & Manufacturing Company | Meadville | PA | — | ● ACTIVE |
Start Pac, LLC | Las Vegas | NV | — | ● ACTIVE |
Statt Engineering LLC | Martinsville | IN | — | ● ACTIVE |
Steen Machining, INC | Westminster | CO | — | ● ACTIVE |
Steer Machine Tool and Die Corporation | Honesdale | PA | — | ● ACTIVE |
Stephen Gould CORP | Tewksbury | MA | — | ● ACTIVE |
Sterling Edge Industrial Cutting, LLC | Denver | CO | — | ● ACTIVE |
Stevens Cadcam LLC | Bellefonte | PA | — | ● ACTIVE |
Stewart Welding & Machine, INC. | Andrews | TX | — | ● ACTIVE |
St George Equipment LLC | Jacksonville | FL | — | ● ACTIVE |
Stiverson Machine & Tool LLC | Angola | IN | — | ● ACTIVE |
| SMStone Machine CO. INC. | Chester | NH | — | ● ACTIVE |
| SMStratus Materials INC. | Pittsburgh | PA | — | ● ACTIVE |
| SMStreamline Machine Source INC | Greenville | MI | — | ● ACTIVE |
Streamline Tool & Engineering LLC | Peculiar | MO | — | ● ACTIVE |
Strickland Industries, LLC | Mansfield | TX | — | ● ACTIVE |
| SCStrider CORP | Camden | SC | — | ● ACTIVE |
Strike Technology, INC. | Carson | CA | — | ● ACTIVE |
Sturges Electronics LLC | Dryden | NY | — | ● ACTIVE |
Subcomponents Plus LLC | Carlisle | PA | — | ● ACTIVE |
Subtract LLC | Muncie | IN | — | ● ACTIVE |
Suburban Machine, INC. | Westford | MA | — | ● ACTIVE |
| SMSun Machine LTD | Jersey Village | TX | — | ● ACTIVE |
Sunset Industries INC | Mentor | OH | — | ● ACTIVE |
Superior Machine Products, INC | Brookfield | WI | — | ● ACTIVE |
Superior Machine & Tool Company INC | Fort Wayne | IN | — | ● ACTIVE |
Superior Marine Products, LLC | Gray | ME | — | ● ACTIVE |
| SPSuperior Precision Machining LLC | Fremont | CA | — | ● ACTIVE |
Superior Shooting System, LLC | Canadian | TX | — | ● ACTIVE |
Superior Thread Rolling Co, LLC | Arleta | CA | — | ● ACTIVE |
| STSuperior Tooling, INC. | Wapello | IA | — | ● ACTIVE |
Super Web Digital, INC. | West Babylon | NY | — | ● ACTIVE |
| SISupplynet, INC. | Valley Cottage | NY | — | ● ACTIVE |
Supplyx LLC | Ellicott City | MD | — | ● ACTIVE |
| SESupreme Edgelight Devices, INC. | Grass Valley | CA | — | ● ACTIVE |
| SPSureshot Precision, LLC | Tempe | AZ | — | ● ACTIVE |
Surfix, INC. | Palm Bay | FL | — | ● ACTIVE |
Surge Manufacturing LLC | Otsego | MN | — | ● ACTIVE |
S W Interconnect INC | Fort Worth | TX | — | ● ACTIVE |
| SJSwiss Jewel Company | Bala Cynwyd | PA | — | ● ACTIVE |
| SWSwiss Wire Edm | Costa Mesa | CA | — | ● ACTIVE |
S & W Precision Machining LLC | Commerce City | CO | — | ● ACTIVE |
Sycamore Precision, INC. | Genoa | IL | — | ● ACTIVE |
Sylhan LLC | Edgewood | NY | — | ● ACTIVE |
Sylvatex, INC. | Alameda | CA | — | ● ACTIVE |
Symmetry Machining Services LLC | Nevada | MO | — | ● ACTIVE |
Syncom Electronics Corporation | Roanoke | VA | — | ● ACTIVE |
Synergy Core Manufacturing, LLC | Denver | CO | — | ● ACTIVE |
Synergy Microwave CORP | Paterson | NJ | — | ● ACTIVE |
Synergy Molding Technologies, LLC | Clinton Township | MI | — | ● ACTIVE |
Synqor, INC | Salem | NH | — | ● ACTIVE |
Systematic Manufacturing INC | Madison Heights | MI | — | ● ACTIVE |
System Engineering International INC | Frederick | MD | — | ● ACTIVE |
Systems Powered Manufacturing, LLC | Saint Charles | IL | — | ● ACTIVE |
Szabo Precision | Diamond Springs | CA | — | ● ACTIVE |
| TETactical Electronics and Military Supply L.l.c. | Broken Arrow | OK | — | ● ACTIVE |
| TETag Engineering, INC. | Gwynn Oak | MD | — | ● ACTIVE |
Tailored Systems INC | Dayton | OH | — | ● ACTIVE |