| SCSchwab Corporation | Cannelton | IN | — | ◇ UNVERIFIED |
| STSchwarzkopf Technologies CORP | Franklin | MA | — | ◇ UNVERIFIED |
| SCSchwerin Concaves Walla Walla Site | Walla Walla | WA | — | ◇ 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 |
| STShipshe Trailer | Shipshewana | IN | — | ◇ UNVERIFIED |
| SLShiroki-gt, LLC | Gordonsville | TN | — | ◇ UNVERIFIED |
| SShopwerks | Braceville | IL | — | ◇ UNVERIFIED |
| SHShore Holdings INC Dba Choptank Engines | Cambridge | MD | — | ◇ 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 |
| SESiemens Energy, INC. | Wendell | NC | — | ◇ 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 |
| SISimonds International | Ridgefield | WA | — | ◇ UNVERIFIED |
| SPSioux Plating Company | South Sioux City | NE | — | ◇ UNVERIFIED |
| SISix2 INC | Hawthorne | FL | — | ◇ UNVERIFIED |
| SOSixty One Industrial Park | Memphis | TN | — | ◇ UNVERIFIED |
| SCSize Control Plating CO INC | La Puente | CA | — | ◇ UNVERIFIED |
| SMSkach Manufacturing CO. | Antioch | IL | — | ◇ UNVERIFIED |
| SLS L Auburn INC | Auburn | NY | — | ◇ UNVERIFIED |
| SSSmeal Sfa LLC | Snyder | NE | — | ◇ 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 |
| SASmp Automotive Systems Alabama, INC. | Vance | AL | — | ◇ 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 |
| SCSouth Coast Area Transit | Oxnard | 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 |
| 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 |
| SPSouthern Plating INC | Johnston City | IL | — | ◇ UNVERIFIED |
| SSSouthern Stamping | Irvington | AL | — | ◇ UNVERIFIED |
| SHSouth Holland Metal Finishing | South Holland | IL | — | ◇ UNVERIFIED |
| SSSouth Shore Finishers INC. (1318008119) | Cleveland | OH | — | ◇ UNVERIFIED |
| SMSouthwest Metal Finishing | Tempe | AZ | — | ◇ UNVERIFIED |
| SPSouthwest Plating INC / Duncan Plating Facility | Duncan | OK | — | ◇ UNVERIFIED |
| SLSpace Lok Incorporated | Gardena | CA | — | ◇ UNVERIFIED |
| SISparkman Industries Plant 2 | Victoria | TX | — | ◇ UNVERIFIED |
| SSSpartanburg Stainless Products | Spartanburg | SC | — | ◇ UNVERIFIED |
| SMSpartech Marine Industries Florida | Rockledge | FL | — | ◇ UNVERIFIED |
| SESpd Electrical Systems | Philadelphia | PA | — | ◇ UNVERIFIED |
| SFSpecial Fab & Machine, INC. | Lexington | NC | — | ◇ UNVERIFIED |
| SPSpecialized Processing CO INC | El Cajon | CA | — | ◇ UNVERIFIED |
