| SSSamuel, Son & Company (usa) INC. | Heath | OH | — | ◇ UNVERIFIED |
| SPSanchez Polishing and Plating | Escondido | CA | — | ◇ UNVERIFIED |
| SSSanders Service INC | Los Angeles | CA | — | ◇ UNVERIFIED |
 Sandmeyer Steel CO | Philadelphia | PA | — | ◇ UNVERIFIED |
| SMSandvik Mining & Construction CO | Bristol | VA | — | ◇ UNVERIFIED |
| SCSanta Clara Powder Coating INC | Santa Clara | CA | — | ◇ UNVERIFIED |
| SFSanta Fe Mold CO | Whittier | CA | — | ◇ UNVERIFIED |
| SSantec | Torrance | CA | — | ◇ UNVERIFIED |
| SCSantoshi CORP D.b.a. Alum-a-coat | El Monte | CA | — | ◇ UNVERIFIED |
| SISarcol INC | Chicago | IL | — | ◇ UNVERIFIED |
| SRSa Recycling - Canton Facility | Canton | OH | — | ◇ UNVERIFIED |
| SMSate-lite Manufacturing CO | Niles | IL | — | ◇ UNVERIFIED |
| SISatterfield INC. | Alexander City | AL | — | ◇ UNVERIFIED |
| SBSawtek Bend | Bend | OR | — | ◇ UNVERIFIED |
| SBS Burger Wire & Tubing INC | Middlesex | NJ | — | ◇ UNVERIFIED |
| SLSchlage Lock Company LLC | Indianapolis | IN | — | ◇ UNVERIFIED |
| SESchneider Electric | Foxboro | MA | — | ◇ UNVERIFIED |
| SESchott Electronic Packaging | Golden | CO | — | ◇ UNVERIFIED |
| SESchott Electronic Packaging | Southbridge | MA | — | ◇ UNVERIFIED |
| SCSchrillo CO. LLC | Sepulveda | CA | — | ◇ UNVERIFIED |
| SCSchwab Corporation | Cannelton | IN | — | ◇ UNVERIFIED |
| STSchwarzkopf Technologies CORP | Franklin | MA | — | ◇ UNVERIFIED |
| SCSchwerin Concaves Walla Walla Site | Walla Walla | WA | — | ◇ UNVERIFIED |
| SASchwing America INC | White Bear Lake | MN | — | ◇ UNVERIFIED |
| SPScientific Plating CO. INC | Chicago | IL | — | ◇ UNVERIFIED |
| SIScot Industries | Muscoda | WI | — | ◇ UNVERIFIED |
| SEScott Equipment CO | New Prague | MN | — | ◇ UNVERIFIED |
| SEScott Equipment Company | Arlington | MN | — | ◇ UNVERIFIED |
| SIScrewmatic INC | Azusa | CA | — | ◇ UNVERIFIED |
| SMSeaboard Metal Finishing Company | West Haven | CT | — | ◇ UNVERIFIED |
| SSSeagate Sandblasting | Martin | OH | — | ◇ UNVERIFIED |
| SMSeaway Manufacturing CORP | Erie | PA | — | ◇ UNVERIFIED |
| SISebring Industrial Plating CO | Sebring | OH | — | ◇ UNVERIFIED |
| SMSecoa Metal Finishing | Dalton | GA | — | ◇ UNVERIFIED |
| SCSelectivend CORP | Waukee | IA | — | ◇ UNVERIFIED |
| SISelect-tron Industries | Erie | PA | — | ◇ UNVERIFIED |
| STSelfridge Technologies Div | Chesterfield Township | MI | — | ◇ UNVERIFIED |
| SMSellers Manufacturing CO. | Danville | KY | — | ◇ UNVERIFIED |
| SISemano INC | Hayward | CA | — | ◇ UNVERIFIED |
| SPSen-dure Products INC | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| SDServ-all Die & Tool CO. | Crystal Lake | IL | — | ◇ UNVERIFIED |
| SWService Welding and Machine | Louisville | KY | — | ◇ UNVERIFIED |
| SSSetco Sales Company | Novi | MI | — | ◇ UNVERIFIED |
| SESevenson Environmental Service | Niagara Falls | NY | — | ◇ UNVERIFIED |
| SASfc Adams INC. | Buffalo | NY | — | ◇ UNVERIFIED |
| SISfs Intec INC | Medina | OH | — | ◇ UNVERIFIED |
| SMSgl Modern Hard Chrome Svc | Pennsauken | NJ | — | ◇ UNVERIFIED |
| SSShank Screw Products CO | Cicero | IL | — | ◇ UNVERIFIED |
| SSShaw Sunland Fabricators INC - Sunland East | Walker | LA | — | ◇ UNVERIFIED |
| SIShelby Industries | Shelbyville | KY | — | ◇ UNVERIFIED |
| SSShelby Steel Vincent Incorporated | Vincent | AL | — | ◇ UNVERIFIED |
| SPShelbyville Plating & Polishing Company | Shelbyville | IN | — | ◇ UNVERIFIED |
 Sherex Fastening Solutions Akron | Akron | OH | — | ◇ UNVERIFIED |
| SShopwerks | Braceville | IL | — | ◇ UNVERIFIED |
| SASiegel-robert Automotive- Bowling Green | Bowling Green | KY | — | ◇ UNVERIFIED |
| SRSiegel Robert Automotive Ripley South | Ripley | TN | — | ◇ UNVERIFIED |
| SRSiegel Robert Plating-siegel Robert Plating | Saint Louis | MO | — | ◇ UNVERIFIED |
| SESiemens Energy, INC | Geismar | LA | — | ◇ UNVERIFIED |
| SSSierra Sandblasting LLC | Tacoma | WA | — | ◇ UNVERIFIED |
| SASifco Applied Surface Concepts | Houston | TX | — | ◇ UNVERIFIED |
| SFSigma Fasteners | Houston | TX | — | ◇ UNVERIFIED |
| SPSignal Plating, INC. | Chattanooga | TN | — | ◇ UNVERIFIED |
| SPSignature Plating | Cibolo | TX | — | ◇ UNVERIFIED |
| SMSignet Machine INC | Grandville | MI | — | ◇ UNVERIFIED |
| SCSilgan Containers Mfg CORP | Oconomowoc | WI | — | ◇ UNVERIFIED |
| SWSilgan White Cap/hazleton Plt | Hazleton | PA | — | ◇ UNVERIFIED |
| SPSimmons Plating & Grinding CO INC | Harahan | LA | — | ◇ UNVERIFIED |
| SPSioux Plating Company | South Sioux City | NE | — | ◇ UNVERIFIED |
| SISix2 INC | Hawthorne | FL | — | ◇ UNVERIFIED |
| SCSize Control Plating CO INC | La Puente | CA | — | ◇ UNVERIFIED |
| SMSkach Manufacturing CO. | Antioch | IL | — | ◇ UNVERIFIED |
| SLS L Auburn INC | Auburn | NY | — | ◇ UNVERIFIED |
| SCSmith Chrome Plating | Walla Walla | WA | — | ◇ UNVERIFIED |
| SMSmithcraft Machine | Wedowee | AL | — | ◇ UNVERIFIED |
| SMSmiths Machine and Welding Company INC | Brookhaven | MS | — | ◇ UNVERIFIED |
| STSmiths Tubular Systems | Laconia | NH | — | ◇ UNVERIFIED |
| SHSmp Holdings, INC. | Anaheim | CA | — | ◇ UNVERIFIED |
| SMSmtc Manufacturing CORP of Massachusetts | Franklin | MA | — | ◇ UNVERIFIED |
| SISnyder Industries INC | Seattle | WA | — | ◇ UNVERIFIED |
| SPSolder Plating Llc, Dba B&w Plating | Fort Smith | AR | — | ◇ UNVERIFIED |
| SPSolder Plating, LLC Dba B&w Plating | Van Buren | AR | — | ◇ UNVERIFIED |
| SDSolitron Devices INC | Riviera Beach | FL | — | ◇ UNVERIFIED |
| SCSolomon Corporation - Flandreau | Flandreau | SD | — | ◇ UNVERIFIED |
| SPSonoco - Phoenix | Memphis | TN | — | ◇ UNVERIFIED |
| SPSoramatic Precision Machining | Warren | MI | — | ◇ UNVERIFIED |
| SSSoriano Special Coatings | Dallas | TX | — | ◇ UNVERIFIED |
| SBSotek Belrix | Hamburg | NY | — | ◇ UNVERIFIED |
| SESound Enhancement Products | Cary | IL | — | ◇ UNVERIFIED |
| SPSouriau Paande Sequim | Sequim | WA | — | ◇ UNVERIFIED |
| SBSouth Bay Chrome | Santa Ana | CA | — | ◇ UNVERIFIED |
| SISoutheastern Industrial Plating, INC. | Statesville | NC | — | ◇ UNVERIFIED |
| SPSoutheastern Plateworks | Birmingham | AL | — | ◇ UNVERIFIED |
| SASouthern Aluminum Finishing Company | Atlanta | GA | — | ◇ UNVERIFIED |
| SCSouthern California Plating CO INC | San Diego | CA | — | ◇ UNVERIFIED |
| SESouthern Erectors INC | Pensacola | FL | — | ◇ UNVERIFIED |
| SISouthern Imperial LLC | Rockford | IL | — | ◇ UNVERIFIED |
| SMSouthern Machinery CORP | Lakeland | FL | — | ◇ UNVERIFIED |
| SMSouthern Metal Processing Company | Oxford | AL | — | ◇ UNVERIFIED |
| SMSouthern Miscellaneous Columbia LLC | West Columbia | SC | — | ◇ UNVERIFIED |
| SPSouthern Painting & Blasting LLC | Casselberry | FL | — | ◇ UNVERIFIED |
