| SHSouth Holland Metal Finishing | South Holland | IL | — | ◇ UNVERIFIED |
| SBSouthport Boats, LLC | Leland | NC | — | ◇ UNVERIFIED |
| SSSouth Shore Finishers INC. (1318008119) | Cleveland | OH | — | ◇ UNVERIFIED |
| SSSouth Sligo Compressor Station | Sligo | LA | — | ◇ UNVERIFIED |
| SVSouth Valley Mfg | Springfield | MO | — | ◇ UNVERIFIED |
| SHSouthwestern Hollow Metal | Raton | NM | — | ◇ UNVERIFIED |
| SMSouthwest Metal Finishing | Tempe | AZ | — | ◇ UNVERIFIED |
| SPSouthwest Plating INC / Duncan Plating Facility | Duncan | OK | — | ◇ UNVERIFIED |
| SSSouthwest Stair INC | El Mirage | AZ | — | ◇ UNVERIFIED |
| SISparkman Industries Plant 2 | Victoria | TX | — | ◇ UNVERIFIED |
| SSSpartanburg Stainless Products | Spartanburg | SC | — | ◇ UNVERIFIED |
| SMSpartech Marine Industries Florida | Rockledge | FL | — | ◇ UNVERIFIED |
| SFSpecial Fab & Machine, INC. | Lexington | NC | — | ◇ UNVERIFIED |
| SPSpecialized Processing CO INC | El Cajon | CA | — | ◇ UNVERIFIED |
| SMSpecial Metal Services | Omaha | NE | — | ◇ UNVERIFIED |
| SPSpecial Products Energy | Canton | MA | — | ◇ UNVERIFIED |
| SMSpecialties Mfg Co-brecon Ind Pk | Talladega | AL | — | ◇ 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 |
| SMSpecialty Manufacturing | Amesbury | MA | — | ◇ UNVERIFIED |
| SPSpecialty Plating CO | Mount Vernon | WA | — | ◇ UNVERIFIED |
| STSpecialty Technology | Mcpherson | KS | — | ◇ UNVERIFIED |
| SPSpecified Plating CO | Chicago | IL | — | ◇ UNVERIFIED |
| SISpectra, INC. | Mishawaka | IN | — | ◇ 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 |
| SWSsab Wear Solutions LLC | Birmingham | AL | — | ◇ UNVERIFIED |
| SSS & S Machine & Manufacturing LLC | Pleasantville | IA | — | ◇ UNVERIFIED |
| SSS & S Metal Fabricators | Chamois | MO | — | ◇ 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 |
| 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 |
| SPStandard Plating Incorporated | West Springfield | MA | — | ◇ UNVERIFIED |
| SSStandard Steel Fabricating CO INC | Seattle | WA | — | ◇ UNVERIFIED |
| STStandard Technologies & Machine CO | Wilmington | DE | — | ◇ UNVERIFIED |
| SIStandex International Spincraft Division | Billerica | MA | — | ◇ UNVERIFIED |
| STStanhope Tool INC | Madison Heights | MI | — | ◇ 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 |
| SPStar Plating | New Bedford | MA | — | ◇ UNVERIFIED |
| SFState Fabricators, INC. | Farmingtn Hls | MI | — | ◇ UNVERIFIED |
| SPState Plating | Elwood | IN | — | ◇ UNVERIFIED |
| SCStatic Control Components INC Plant #2 | Sanford | NC | — | ◇ UNVERIFIED |
| SPStat Processing INC | Cincinnati | OH | — | ◇ UNVERIFIED |
| SCStavola Contracting CO INC | Tinton Falls | NJ | — | ◇ UNVERIFIED |
 Steele Solutions INC | South Milwaukee | WI | — | ◇ UNVERIFIED |
| SFSteel Fab Enterprises Ss Fisher Landfill | Lancaster | PA | — | ◇ UNVERIFIED |
 Steelfab, INC. | York | SC | — | ◇ UNVERIFIED |
| Steelfab, INC. - Texas Division | Durant | OK | — | ◇ UNVERIFIED |
| SOSteelfab of Fayetteville | Fayetteville | NC | — | ◇ UNVERIFIED |
| SOSteelfab Oregon, INC. | Spokane | WA | — | ◇ UNVERIFIED |
| SFSteel Fabricators INC. | Lincoln | NE | — | ◇ UNVERIFIED |
| SFSteel Fabricators, INC. | Fort Collins | CO | — | ◇ UNVERIFIED |
| SFSteel Fabricators L.l.c. | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| Steelfab West, INC. | Tangent | OR | — | ◇ UNVERIFIED |
| SHSteel Heddle LLC | Greenville | SC | — | ◇ UNVERIFIED |
| SPSteel Painters INC | Kelso | WA | — | ◇ UNVERIFIED |
| SRSteel Related Technology | Huger | SC | — | ◇ UNVERIFIED |
| STSteel Tank & Fabricating CO. | Mancelona | MI | — | ◇ UNVERIFIED |
| STSteel Technologies CORP | Jersey City | NJ | — | ◇ UNVERIFIED |
| SPSteeltec Products | Cleveland | OH | — | ◇ UNVERIFIED |
| SVSteel Ventures INC | Wurtland | KY | — | ◇ 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 |
| SMSteward Machine CO. | Bainbridge | GA | — | ◇ UNVERIFIED |
| SEStewart Efi Finishing | El Paso | TX | — | ◇ UNVERIFIED |
| SSStiman Steel | Augusta | ME | — | ◇ UNVERIFIED |
| SLSt. Louis Metallizing Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| SLSt Louis Plating Company Inc-st Louis Plating Company INC | Saint Louis | MO | — | ◇ UNVERIFIED |
| SLSt Lucie County International Airport | Fort Pierce | FL | — | ◇ 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 |
