| SMSpecial Metal Services | Omaha | NE | — | ◇ UNVERIFIED |
| STSpecial T Mfg | Meadowview | VA | — | ◇ UNVERIFIED |
| STSpecial T Mfg. Corporation | Damascus | VA | — | ◇ UNVERIFIED |
| SESpecialty Engine Components LLC | Taylor | MI | — | ◇ UNVERIFIED |
| SGSpecialty Groups INC Shop | Lost Creek | WV | — | ◇ UNVERIFIED |
| SPSpecialty Plating CO | Mount Vernon | WA | — | ◇ UNVERIFIED |
| SSSpecialty Screw CORP | Rockford | IL | — | ◇ UNVERIFIED |
| STSpecialty Technology | Mcpherson | KS | — | ◇ UNVERIFIED |
| SPSpecified Plating CO | Chicago | IL | — | ◇ UNVERIFIED |
| SISpectra, INC. | Mishawaka | IN | — | ◇ UNVERIFIED |
| SOSpectran of Chicago | Markham | IL | — | ◇ UNVERIFIED |
| SISpectronics INC | Evansville | IN | — | ◇ UNVERIFIED |
| SASpectrum Aluminum Finishing | Muskego | WI | — | ◇ UNVERIFIED |
| SASpectrum Aquatics | Missoula | MT | — | ◇ UNVERIFIED |
| SSSpeed & Sport Chrome Plating | Houston | TX | — | ◇ UNVERIFIED |
| SESpence Electro Plating CO | Burbank | CA | — | ◇ UNVERIFIED |
| SMSpill-stop Mfg. LLC | Melrose Park | IL | — | ◇ UNVERIFIED |
| SMSpokane Metal Finishing | Spokane | WA | — | ◇ UNVERIFIED |
| SSSpraying System CO | Wheaton | IL | — | ◇ UNVERIFIED |
| SSSpraying Systems CO | Merrimack | NH | — | ◇ UNVERIFIED |
| SFSpx Flow US LLC | Delavan | WI | — | ◇ UNVERIFIED |
| SFSpx Flow US LLC - Millstead Way | Rochester | NY | — | ◇ UNVERIFIED |
| SDSquare D | El Paso | TX | — | ◇ UNVERIFIED |
| SWSsab Wear Solutions LLC | Birmingham | AL | — | ◇ UNVERIFIED |
| SAS&s Auto Parts | New Palestine | IN | — | ◇ UNVERIFIED |
| SSS & S Carbide Tool INC | Spring Valley | CA | — | ◇ UNVERIFIED |
| SSS & S Plating CO | Houston | TX | — | ◇ UNVERIFIED |
| SCSst Custom Fabricators | Okeechobee | FL | — | ◇ UNVERIFIED |
| SSS & S Welding & Fabrication LLC | Lexington | SC | — | ◇ UNVERIFIED |
| SWSs White Technologies INC | Piscataway | NJ | — | ◇ UNVERIFIED |
| SPStabile Plating | Covina | CA | — | ◇ UNVERIFIED |
| SNStabio North America | Trevor | WI | — | ◇ UNVERIFIED |
| SPStack-on Products | Wauconda | IL | — | ◇ UNVERIFIED |
| SAStadco Automatics (0829060007) | Fairborn | OH | — | ◇ UNVERIFIED |
| SPStainless Process Systems | Oxnard | CA | — | ◇ UNVERIFIED |
| SMStamplus Mfg INC | Roselle | NJ | — | ◇ UNVERIFIED |
| SIStamptech INC Dba Aoc Metal Works | Lynchburg | VA | — | ◇ UNVERIFIED |
| SGStandard Golf CO | Cedar Falls | IA | — | ◇ UNVERIFIED |
 Standard Machine Works INC | Houston | TX | — | ◇ UNVERIFIED |
| SMStandard Motor Products - Edwardsville | Edwardsville | KS | — | ◇ UNVERIFIED |
| SNStandard Nut & Bolt Company | Cumberland | RI | — | ◇ UNVERIFIED |
| SPStandard Plating Incorporated | West Springfield | MA | — | ◇ UNVERIFIED |
| STStandard Technologies & Machine CO | Wilmington | DE | — | ◇ UNVERIFIED |
| STStandard Thomson CORP | Waltham | MA | — | ◇ UNVERIFIED |
| SIStandex International Spincraft Division | Billerica | MA | — | ◇ UNVERIFIED |
| STStanhope Tool INC | Madison Heights | MI | — | ◇ UNVERIFIED |
| SBStanley Black & Decker | Riverview | FL | — | ◇ UNVERIFIED |
| SIStanley Industries INC | Warrensville Hts | OH | — | ◇ UNVERIFIED |
| SKStanley Knight CORP. | Three Oaks | MI | — | ◇ UNVERIFIED |
| SBStar Bright Chrome Plating | Oregon City | OR | — | ◇ UNVERIFIED |
| SBStar Brite Plating-joplin | Joplin | MO | — | ◇ UNVERIFIED |
| SIStarlite Ind/lower Merion | Bryn Mawr | PA | — | ◇ UNVERIFIED |
| SPStar Plating | New Bedford | MA | — | ◇ UNVERIFIED |
| SFState Fabricators, INC. | Farmingtn Hls | MI | — | ◇ UNVERIFIED |
| SPState Plating | Elwood | IN | — | ◇ UNVERIFIED |
 States Manufacturing CORP | Minneapolis | MN | — | ◇ UNVERIFIED |
| SCStatic Control Components INC Plant #2 | Sanford | NC | — | ◇ UNVERIFIED |
| SPStat Processing INC | Cincinnati | OH | — | ◇ UNVERIFIED |
| SHSteel Heddle LLC | Greenville | SC | — | ◇ UNVERIFIED |
| SRSteel Related Technology | Huger | SC | — | ◇ UNVERIFIED |
| STSteel Tank & Fabricating CO. | Mancelona | MI | — | ◇ UNVERIFIED |
| SMSteffes Metal Products, LLC - Grand Forks West | Grand Forks | ND | — | ◇ UNVERIFIED |
| SDSteris Distribution Center | Mentor | OH | — | ◇ UNVERIFIED |
| SBSterling Boiler & Mechanical LLC | Evansville | IN | — | ◇ UNVERIFIED |
| SMStevken Manufacturing | Billerica | MA | — | ◇ UNVERIFIED |
| SEStewart Efi Finishing | El Paso | TX | — | ◇ UNVERIFIED |
| SMStewart Manufacturing Corporation | Moran | KS | — | ◇ UNVERIFIED |
| SFStillwater Fasteners | Freetown, Town of | MA | — | ◇ UNVERIFIED |
| SLSt. Louis Metallizing Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| SLSt Louis Plating Company Inc-st Louis Plating Company INC | Saint Louis | MO | — | ◇ UNVERIFIED |
| SLSt Louis Screw & Bolt | Madison | IL | — | ◇ UNVERIFIED |
| SLSt Lucie County International Airport | Fort Pierce | FL | — | ◇ UNVERIFIED |
| SIStolberger INC. Dba Wardwell Braiding CO. | Central Falls | RI | — | ◇ UNVERIFIED |
| SMStolle Machineryco North Canton | North Canton | OH | — | ◇ UNVERIFIED |
| SIStoll Industries, INC. | Abbeville | SC | — | ◇ UNVERIFIED |
| SPStork Prints America (spgprints America) | Charlotte | NC | — | ◇ UNVERIFIED |
| SSStork Screens America Incorporated | Charlotte | NC | — | ◇ UNVERIFIED |
| SMStratford Metal Finishing | Winston Salem | NC | — | ◇ UNVERIFIED |
| SPStreamwood Plating CO | Streamwood | IL | — | ◇ UNVERIFIED |
| SPStreet & Performance, INC. | Mena | AR | — | ◇ UNVERIFIED |
| SAStrickland Agriculture Services Incorporated | Spring Hope | NC | — | ◇ UNVERIFIED |
| SOStripmasters of Illinois | Granite City | IL | — | ◇ UNVERIFIED |
| SWStruthers Wells Corp/warren | Warren | PA | — | ◇ UNVERIFIED |
| SLSturdy Lantern Manufacturing | Franklin | MA | — | ◇ UNVERIFIED |
| SVStutzman Virgil M INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| SSSudden Services Inc, Distribution and Operations Center | Philadelphia | MS | — | ◇ UNVERIFIED |
| SPSuffern Plating | Lodi | NJ | — | ◇ UNVERIFIED |
| SPSullivan Palatek | Michigan City | IN | — | ◇ UNVERIFIED |
| SPSulzer Pumps | Portland | OR | — | ◇ UNVERIFIED |
| SPSulzer Pump Services (us) INC. | Mobile | AL | — | ◇ UNVERIFIED |
| SPSummit Polymers INC - Valley Plant | Portage | MI | — | ◇ UNVERIFIED |
| SPSumner Plating CO | Honeoye Falls | NY | — | ◇ UNVERIFIED |
| SFSunbelt Fabricator | Steele | AL | — | ◇ UNVERIFIED |
| SMSunflower Mfg CO | Cawker City | KS | — | ◇ UNVERIFIED |
| SWSunshine Welding, Scallop | Port Canaveral | FL | — | ◇ UNVERIFIED |
| SSSunwest Silver Company INC | Albuquerque | NM | — | ◇ UNVERIFIED |
| SCSuper Chrome INC | Asbury Park | NJ | — | ◇ UNVERIFIED |
| SDSuperior Derrick Services LLC | New Iberia | LA | — | ◇ UNVERIFIED |
| SFSuperior Finishing | Providence | RI | — | ◇ UNVERIFIED |
| SMSuperior Machine & Pattern, INC. | Talladega | AL | — | ◇ UNVERIFIED |
