| SCSpray Coat Finishing CO | Camden | NJ | — | ◇ UNVERIFIED |
| SCSpraylat CORP | Mount Vernon | NY | — | ◇ UNVERIFIED |
| SCSpraylat CORP Il | Chicago | IL | — | ◇ UNVERIFIED |
| SCSpraylat Corporation La Division | Los Angeles | CA | — | ◇ UNVERIFIED |
| SISpraytek INC. Madison Heights | Madison Heights | MI | — | ◇ UNVERIFIED |
| SWSpringbrook Waste Facility & Compost Site | Naperville | IL | — | ◇ UNVERIFIED |
| SCSpring City Elec/spring City | Spring City | PA | — | ◇ UNVERIFIED |
| SCSpringdale Complex | Springdale | AR | — | ◇ UNVERIFIED |
| SISpringfield Iron Works INC | Chicopee | MA | — | ◇ UNVERIFIED |
| SMSpringfield Metal Finishing INC | Springfield | OH | — | ◇ UNVERIFIED |
| SWSpringfield Wire INC | Springfield | MA | — | ◇ UNVERIFIED |
| SVSpring Valley Mulch | Dover | PA | — | ◇ UNVERIFIED |
| SISpur Industries INC | Spokane | WA | — | ◇ UNVERIFIED |
| SHSpx Heat Transfer INC / Steel Products Fabrication | Tulsa | OK | — | ◇ UNVERIFIED |
| SLSpx Lindberg a Division of Spx Corporation | Watertown | WI | — | ◇ UNVERIFIED |
| SASr - Arkansas | Wilson | AR | — | ◇ UNVERIFIED |
| SISrp Industries LLC | Akron | OH | — | ◇ UNVERIFIED |
| SAS&s Auto Parts | New Palestine | IN | — | ◇ UNVERIFIED |
| SCS&s Coating Specialties INC | Lafayette | LA | — | ◇ UNVERIFIED |
| STSsi Technologies INC (former) | Janesville | WI | — | ◇ UNVERIFIED |
| SSS & S Metal Fabricators | Chamois | MO | — | ◇ UNVERIFIED |
| SSS & S Plating CO | Houston | TX | — | ◇ UNVERIFIED |
| SSsupermet | Trotwood | OH | — | ◇ UNVERIFIED |
| SSS & S Welding & Fabrication LLC | Lexington | SC | — | ◇ UNVERIFIED |
| SPStabile Plating | Covina | CA | — | ◇ UNVERIFIED |
| SPStabler Paint Manufacturing CO | Birmingham | AL | — | ◇ UNVERIFIED |
| SPStack-on Products | Wauconda | IL | — | ◇ UNVERIFIED |
| SDStainless Designs Inc.cn | Fort Collins | CO | — | ◇ UNVERIFIED |
| SMStainless Metal Products | Chattanooga | TN | — | ◇ UNVERIFIED |
| SSStainless Steel Coatings INC | South Lancaster | MA | — | ◇ UNVERIFIED |
| SOStampede Oil Sands INC | Russellville | KY | — | ◇ UNVERIFIED |
| SGStandard Glas, Star Glas INC. | Bremen | IN | — | ◇ UNVERIFIED |
| SHStandard Heat Treating | Cicero | IL | — | ◇ UNVERIFIED |
| SMStandard Motor Products - Edwardsville | Edwardsville | KS | — | ◇ UNVERIFIED |
| SPStandard Plating Incorporated | West Springfield | MA | — | ◇ UNVERIFIED |
| SPStandard Prods CO | Port Clinton | OH | — | ◇ UNVERIFIED |
| SRStandard Rubber Products | Hanover | MA | — | ◇ UNVERIFIED |
| SSStandard Steel Fabricating CO INC | Seattle | WA | — | ◇ UNVERIFIED |
| SWStandard Warehouse Company | Lugoff | SC | — | ◇ UNVERIFIED |
| SEStandex Engraving Tenibac - Graphion | Clinton Township | MI | — | ◇ UNVERIFIED |
| SEStandex Engraving Tenibac Graphion | Grand Rapids | MI | — | ◇ UNVERIFIED |
| SBStandley Batch Systems INC | Cape Girardeau | MO | — | ◇ UNVERIFIED |
| STStanhope Tool INC | Madison Heights | MI | — | ◇ UNVERIFIED |
| SFStanley-bostitch Fastening Systems | Clinton | CT | — | ◇ UNVERIFIED |
| SEStanley Engineered Fastening | Chesterfield | MI | — | ◇ UNVERIFIED |
| SFStanley Fastening Systems | North Kingstown | RI | — | ◇ UNVERIFIED |
| SMStanwade Metal Products | Fowler | OH | — | ◇ UNVERIFIED |
| SBStar Bright Chrome Plating | Oregon City | OR | — | ◇ UNVERIFIED |
| SBStar Brite Plating-joplin | Joplin | MO | — | ◇ UNVERIFIED |
| SBStar Bronze CO * | Alliance | OH | — | ◇ UNVERIFIED |
| SAStark Auto Sales | Charleston | IL | — | ◇ UNVERIFIED |
| SEStark Excavating | Bloomington | IL | — | ◇ UNVERIFIED |
| SSStarkist Samoa Tafuna Can Plant | Pago Pago | AS | — | ◇ UNVERIFIED |
| STStarlight Trailers Mfg., INC. | Claremore | OK | — | ◇ UNVERIFIED |
| SPStar Plating | New Bedford | MA | — | ◇ UNVERIFIED |
| SMStarr Mfg INC | Vienna | OH | — | ◇ UNVERIFIED |
| SPStarro Precision Products INC | Elgin | IL | — | ◇ UNVERIFIED |
| STStar Tech Corporation | Riverton | WY | — | ◇ UNVERIFIED |
| SUStarting USA | Poplar Bluff | MO | — | ◇ UNVERIFIED |
| SRStarved Rock Adventures, INC. | Ottawa | IL | — | ◇ UNVERIFIED |
| SLState Line Foundries INC | Roscoe | IL | — | ◇ UNVERIFIED |
| SPState Plating | Elwood | IN | — | ◇ UNVERIFIED |
| SRState Route 85 (sr-85) Landfill | Buckeye | AZ | — | ◇ UNVERIFIED |
| SSState Street Bank - Westwood | Westwood | MA | — | ◇ UNVERIFIED |
| SCStatic Control Components, INC. - Plant 17 | Sanford | NC | — | ◇ UNVERIFIED |
| SCStatic Control Components INC Plant #2 | Sanford | NC | — | ◇ UNVERIFIED |
| SCStatics Coatings | Clifton City | NJ | — | ◇ UNVERIFIED |
| SEStatoil - Eisenbarth Pad | Clarington | OH | — | ◇ UNVERIFIED |
| SPStat Processing INC | Cincinnati | OH | — | ◇ UNVERIFIED |
| SPStauffer Pipe Services | Houston | TX | — | ◇ UNVERIFIED |
| SFStaver Foundry CO | Virginia | MN | — | ◇ UNVERIFIED |
| STS Taylor Heirs 14 #3 Tank Battery - Haynesville Field | Haynesville | LA | — | ◇ UNVERIFIED |
| SISteelcase INC | Athens | AL | — | ◇ UNVERIFIED |
| SCSteel City CORP | Youngstown | OH | — | ◇ UNVERIFIED |
| SMSteelcote Manufacturing | Saint Louis | MO | — | ◇ UNVERIFIED |
 Steele Solutions INC | South Milwaukee | WI | — | ◇ UNVERIFIED |
| SFSteel Fab | Abingdon | VA | — | ◇ 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 |
| SOSteel & O'brien Manufacturing, INC. | Arcade | NY | — | ◇ UNVERIFIED |
| SPSteel Painters INC | Kelso | WA | — | ◇ UNVERIFIED |
| SPSteel Painters INC Columbia Way | Vancouver | WA | — | ◇ UNVERIFIED |
| SPSteel Pipe Fabricators, LLC | Norcross | GA | — | ◇ UNVERIFIED |
| SPSteel Processing CO | Warren | MI | — | ◇ UNVERIFIED |
| SPSteel Products Company | Leicester | MA | — | ◇ UNVERIFIED |
| SRSteel Related Technology | Huger | SC | — | ◇ UNVERIFIED |
| SSteelscape | Fairfield | AL | — | ◇ UNVERIFIED |
| SSteelscape | Richmond | CA | — | ◇ UNVERIFIED |
| SFSteelscape Fairfield | Fairfield | AL | — | ◇ UNVERIFIED |
| STSteel Technologies | Mission | TX | — | ◇ UNVERIFIED |
| STSteel Technologies CORP | Jersey City | NJ | — | ◇ UNVERIFIED |
| STSteel Technologies Lcc | Huger | SC | — | ◇ UNVERIFIED |
