San Diego Die Cutting INC | San Diego | CA | 20–99 | ● ACTIVE |
| SASanoh America, INC. | Findlay | OH | 100–499 | ● ACTIVE |
Sapona Plastics, LLC | Asheboro | NC | 100–499 | ● ACTIVE |
Saporito Finishing CO | Cicero | IL | 100–499 | ● ACTIVE |
Sapphire Metal Finishing, INC | Caldwell | ID | 20–99 | ● ACTIVE |
| SMSargent Manufacturing CO | New Haven | CT | 500+ | ● ACTIVE |
| SESaris Equipment LLC | Fitchburg | WI | 20–99 | ● ACTIVE |
| SESatellite Engineering, INC. | Maple Grove | MN | — | ● ACTIVE |
Sawyer Manufacturing Company | Tulsa | OK | 20–99 | ● ACTIVE |
S&b Metal Products of Daytona LLC | Daytona Beach | FL | 20–99 | ● ACTIVE |
S&b Metal Products of Lakeland LLC | Lakeland | FL | 20–99 | ● ACTIVE |
S&c Electric Company | Chicago | IL | — | ● ACTIVE |
Schaller Corporation | Chesterfield | MI | 20–99 | ● ACTIVE |
| SESchneider Electric | Lincoln | NE | 100–499 | ● ACTIVE |
Schwab Industries INC | Shelby Township | MI | 20–99 | ● ACTIVE |
| SIScott's Industrial Coatings LLC | Green Bay | WI | 20–99 | ● ACTIVE |
Seastrom Manufacturing CO INC | Twin Falls | ID | 20–99 | ● ACTIVE |
Seconn Fabrication LLC | Waterford | CT | 20–99 | ● ACTIVE |
Security Signals, INC. | Cordova | TN | 20–99 | ● ACTIVE |
Selflock Screw Products Company, INC. | Syracuse | NY | 20–99 | ● ACTIVE |
| SFSenior Flexonics | Bartlett | IL | 100–499 | ● ACTIVE |
Sentry Equipment CORP. | Oconomowoc | WI | 100–499 | ● ACTIVE |
Servi-sure, LLC | Chicago | IL | — | ● ACTIVE |
Seven Star Marine INC | Newport | RI | — | ● ACTIVE |
Seyer Industries, INC. | Saint Peters | MO | — | ● ACTIVE |
| SCShalmet CORP | Orwigsburg | PA | 100–499 | ● ACTIVE |
Shapes Group LTD CO. | Palm Bay | FL | 20–99 | ● ACTIVE |
Sharpsville Container CORP | Sharpsville | PA | 20–99 | ● ACTIVE |
Shaw Industries CO. LLC | Franklin | PA | 20–99 | ● ACTIVE |
Sheldon Manufacturing, INC. | Cornelius | OR | — | ● ACTIVE |
Sherman + Reilly, INC. | Chattanooga | TN | 100–499 | ● ACTIVE |
Shuttleworth, INC | Huntington | IN | 100–499 | ● ACTIVE |
Siebring Manufacturing, INC | George | IA | — | ● ACTIVE |
Sintel INC | Spring Lake | MI | 100–499 | ● ACTIVE |
Skybolt Aeromotive CORP. | Leesburg | FL | 20–99 | ● ACTIVE |
Sky Rider Equipment Co, INC | Anaheim | CA | 20–99 | ● ACTIVE |
Smi & Hydraulics INC | Porter | MN | — | ● ACTIVE |
Smith & Richardson Manufacturing CO | Geneva | IL | 20–99 | ● ACTIVE |
| STSmiths Tubular Systems-laconia, INC. | Laconia | NH | 100–499 | ● ACTIVE |
| SOSnap on Tools | Elizabethton | TN | 100–499 | ● ACTIVE |
Sohacki Industries, INC | Saint Augustine | FL | 20–99 | ● ACTIVE |
Solar Atmospheres INC. | Souderton | PA | 100–499 | ● ACTIVE |
Solar Atmospheres of California INC | Fontana | CA | 20–99 | ● ACTIVE |
Solar Atmospheres of San Diego, INC. | El Cajon | CA | 20–99 | ● ACTIVE |
Solmet Technologies, INC. | Canton | OH | 20–99 | ● ACTIVE |
Solventum Purification INC. | Meriden | CT | 100–499 | ● ACTIVE |
Sonju Industrial Coatings, INC. | Kalispell | MT | 20–99 | ● ACTIVE |
| SESorenson Engineering Inc, Frank Sorenson | Yucaipa | CA | 500+ | ● ACTIVE |
Sound Manufacturing, INC | Old Saybrook | CT | 20–99 | ● ACTIVE |
Sound Propeller Services, INC. | Seattle | WA | 20–99 | ● ACTIVE |
South Bay Solutions, INC | Fremont | CA | 100–499 | ● ACTIVE |
Southern Spring & Stamping INC | Venice | FL | 20–99 | ● ACTIVE |
Southern States LLC | Hampton | GA | 500+ | ● ACTIVE |
Southern Tank & Manufacturing INC | Owensboro | KY | 20–99 | ● ACTIVE |
| SHSouth Holland Metal Finishing | Monee | IL | 20–99 | ● ACTIVE |
Southland Steel Fabricators, INC. | Greensburg | LA | 100–499 | ● ACTIVE |
Southwest Fabrication LLC | Phoenix | AZ | 20–99 | ● ACTIVE |
Southwest Greene International, INC | Oceanside | CA | — | ● ACTIVE |
Spacetime Machine Co., INC. | Harbor City | CA | 20–99 | ● ACTIVE |
Spartan Fastener, LLC | Trevor | WI | 20–99 | ● ACTIVE |
Spartan, INC | Bakersfield | CA | 20–99 | ● ACTIVE |
Spec-built Systems, INC. | San Diego | CA | 20–99 | ● ACTIVE |
Specialty Steel Treating INC | Fraser | MI | 20–99 | ● ACTIVE |
Spectral Systems LLC | Hopewell Jct | NY | 20–99 | ● ACTIVE |
Spectrum Machine & Design, LLC | Windsor Locks | CT | 20–99 | ● ACTIVE |
Spectrum Metal Finishing INC | Youngstown | OH | — | ● ACTIVE |
Spectrum Thermal Processing LLC | Cranston | RI | 20–99 | ● ACTIVE |
| SMSpiral Metals Corporation of Baton Rouge | Baton Rouge | LA | 20–99 | ● ACTIVE |
| SSSpraying Systems CO | Glendale Heights | IL | — | ● ACTIVE |
Springs Fabrication, LLC | Colorado Springs | CO | 100–499 | ● ACTIVE |
Square Deal Machining, INC. | Marathon | NY | 100–499 | ● ACTIVE |
| SGSrg Global Coatings, INC. | Portageville | MO | 100–499 | ● ACTIVE |
| SCSrs Crisafulli INC | Glendive | MT | 20–99 | ● ACTIVE |
| SSS & S Die CO | Lansing | MI | 20–99 | ● ACTIVE |
Staco Systems, INC. | Irvine | CA | 20–99 | ● ACTIVE |
Stafford Manufacturing CORP. | Wilmington | MA | 20–99 | ● ACTIVE |
Stampede Die CORP | Wayland | MI | 20–99 | ● ACTIVE |
Stampings of Minnesota, INC. | Lakeville | MN | 20–99 | ● ACTIVE |
| SIStandard Iron and Wire Works INC | Grand Island | NE | 20–99 | ● ACTIVE |
| SDSteel Dynamics, Inc., Flat Roll Group, the Techs Division, Galvtech Plant | Pittsburgh | PA | 100–499 | ● ACTIVE |
Steel Edge, INC | Las Vegas | NV | — | ● ACTIVE |
Steel Forgings, INC. | Shreveport | LA | 20–99 | ● ACTIVE |
| SUSterigenics US LLC | Queensbury | NY | — | ● ACTIVE |
Stever Locke, INC | Honeoye Falls | NY | — | ● ACTIVE |
| SPStorm Power Components | Decatur | TN | 100–499 | ● ACTIVE |
Streich Bros INC | Tacoma | WA | 20–99 | ● ACTIVE |
Stretch Forming Corporation | Perris | CA | 20–99 | ● ACTIVE |
Strohecker INC | East Palestine | OH | 20–99 | ● ACTIVE |
Strong Forge & Fabrication, LLC | Batavia | NY | 20–99 | ● ACTIVE |
Suburban Manufacturing, LLC | Monticello | MN | 20–99 | ● ACTIVE |
Sumco Group, LLC | Indianapolis | IN | — | ● ACTIVE |
Summit Corporation of America | Thomaston | CT | 20–99 | ● ACTIVE |
Suncor Stainless, INC | Plymouth | MA | 100–499 | ● ACTIVE |
Superalloy Manufacturing Solutions Corporation | Cincinnati | OH | 20–99 | ● ACTIVE |
Superior Aluminum Products, INC | Russia | OH | 20–99 | ● ACTIVE |
Superior Fabrication Company, LLC | Kincheloe | MI | 20–99 | ● ACTIVE |
Superior-lidgerwood-mundy CORP | Superior | WI | 20–99 | ● ACTIVE |
Superior Metal Products, INC. | Louviers | CO | 20–99 | ● ACTIVE |
Superior Processing | Placentia | CA | 1–19 | ● ACTIVE |
Superior Shot Peening INC | Cleveland | TX | 20–99 | ● ACTIVE |