| SIStranco INC | Abita Springs | LA | — | ◇ UNVERIFIED |
| SMStratford Metal Finishing | Winston Salem | NC | — | ◇ UNVERIFIED |
| SPStreamwood Plating CO | Streamwood | IL | — | ◇ UNVERIFIED |
| SPStreet & Performance, INC. | Mena | AR | — | ◇ UNVERIFIED |
| SCStrick Corporation | Abbeville | SC | — | ◇ UNVERIFIED |
| SAStrickland Agriculture Services Incorporated | Spring Hope | NC | — | ◇ UNVERIFIED |
| SOStripmasters of Illinois | Granite City | IL | — | ◇ UNVERIFIED |
| SCStrombecker CORP | Chicago | IL | — | ◇ UNVERIFIED |
| SSStruc Steel INC | Spring Valley | CA | — | ◇ UNVERIFIED |
| SCStructural Composites Ind | Pomona | CA | — | ◇ UNVERIFIED |
| SSStructural Standards INC | Sparta | MI | — | ◇ UNVERIFIED |
| SSStructural Steel of Carolina | Hickory | NC | — | ◇ UNVERIFIED |
| SSStructural Steel Services INC Plant 2 | Meridian | MS | — | ◇ UNVERIFIED |
| SSStructural Steel Services Inc, Plant 3 | Meridian | MS | — | ◇ UNVERIFIED |
| SSStructural Steel Services, Plant 1 | Meridian | MS | — | ◇ UNVERIFIED |
| SWStruthers Wells Corp/warren | Warren | PA | — | ◇ UNVERIFIED |
| SCStryker Corporation | Portage | MI | — | ◇ UNVERIFIED |
| SIStryker Instruments | Portage | MI | — | ◇ UNVERIFIED |
| SSSts Steel INC | Schenectady | NY | — | ◇ UNVERIFIED |
| SCStuart Composites | Stuart | FL | — | ◇ UNVERIFIED |
| SGStuart Gessner | Streator | IL | — | ◇ UNVERIFIED |
| SYStuart Yacht Corporation | Stuart | FL | — | ◇ UNVERIFIED |
| SWStud Welding, INC. | Centerville | TN | — | ◇ UNVERIFIED |
| SCStupp Coatings LLC | Baton Rouge | LA | — | ◇ UNVERIFIED |
| SLSturdy Lantern Manufacturing | Franklin | MA | — | ◇ UNVERIFIED |
| SFSturgis Foundry Corporation | Sturgis | MI | — | ◇ UNVERIFIED |
| SRSturtevant Richmont Dv Ryeson CORP | Franklin Park | IL | — | ◇ UNVERIFIED |
| SVStutzman Virgil M INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| STS & T Welding CO INC | Pineville | WV | — | ◇ UNVERIFIED |
| SSSuburban Steel Supply Company LLC | Gahanna | OH | — | ◇ UNVERIFIED |
| SSSudden Services Inc, Distribution and Operations Center | Philadelphia | MS | — | ◇ UNVERIFIED |
| SPSuffern Plating | Lodi | NJ | — | ◇ UNVERIFIED |
| SBSuldans Boat Works | Port Orchard | WA | — | ◇ UNVERIFIED |
| SMSullivan Metals INC | Holly Springs | MS | — | ◇ UNVERIFIED |
| SPSullivan Palatek | Michigan City | IN | — | ◇ UNVERIFIED |
| SPSulzer Pumps | Portland | OR | — | ◇ UNVERIFIED |
| SPSulzer Pump Services (us) INC. | Mobile | AL | — | ◇ UNVERIFIED |
| SMSumitomo Machinery CORP of America | Glendale Heights | IL | — | ◇ UNVERIFIED |
| SESummit Esp LLC | Santa Clarita | CA | — | ◇ UNVERIFIED |
| SMSummit Marine | Morton | IL | — | ◇ UNVERIFIED |
| SMSummit Marine | Peoria | IL | — | ◇ UNVERIFIED |
| SPSummit Polymers INC - Valley Plant | Portage | MI | — | ◇ UNVERIFIED |
| SPSumner Plating CO | Honeoye Falls | NY | — | ◇ UNVERIFIED |
| SFSunbelt Fabricator | Steele | AL | — | ◇ UNVERIFIED |
| SHSuncoast Heat Treat INC | Palm Beach Gardens | FL | — | ◇ UNVERIFIED |
| SMSuncoast Metal LLC | Sarasota | FL | — | ◇ UNVERIFIED |
| SMSunflower Mfg. - Beloit | Beloit | KS | — | ◇ UNVERIFIED |
| SMSunflower Mfg CO | Cawker City | KS | — | ◇ UNVERIFIED |
| SCSunline Coach Co-plant#2 | Denver | PA | — | ◇ UNVERIFIED |
 Sun Manufacturing | Williamstown | KY | — | ◇ UNVERIFIED |
| SSSunoco Service Station | Dover | DE | — | ◇ UNVERIFIED |
| SPSun Patio INC Dba Warrior Boats | Maple Lake | MN | — | ◇ UNVERIFIED |
| SWSunshine Welding, Scallop | Port Canaveral | FL | — | ◇ UNVERIFIED |
| SCSunsoft Corporation | Albuquerque | NM | — | ◇ UNVERIFIED |
| SMSuntex Marina Riviera Beach | Riviera Beach | FL | — | ◇ UNVERIFIED |
| SISunvair INC | Valencia | CA | — | ◇ UNVERIFIED |
| SWSun Way Forest Products | Wilmington | IL | — | ◇ UNVERIFIED |
| SSSunwest Silver Company INC | Albuquerque | NM | — | ◇ UNVERIFIED |
| SCSuper Chrome INC | Asbury Park | NJ | — | ◇ UNVERIFIED |
| SCSuperior Cleaners | La Grange Park | IL | — | ◇ UNVERIFIED |
| SCSuperior Coating CORP | Belvidere | IL | — | ◇ UNVERIFIED |
| SDSuperior Derrick Services LLC | New Iberia | LA | — | ◇ UNVERIFIED |
| SESuperior Environmental Remediation, INC | Waukegan | IL | — | ◇ UNVERIFIED |
| SFSuperior Fabrication & Welding LLC | Punta Gorda | FL | — | ◇ UNVERIFIED |
| SFSuperior Finishing | Providence | RI | — | ◇ UNVERIFIED |
| SFSuperior Foundry | Independence | MO | — | ◇ UNVERIFIED |
| SISuperior Industrial Coating INC | Racine | WI | — | ◇ UNVERIFIED |
| SISuperior Industries Southwest Division | Prescott Valley | AZ | — | ◇ UNVERIFIED |
| SISuperior Industries Sw | Prescott Valley | AZ | — | ◇ UNVERIFIED |
| SMSuperior Machine & Pattern, INC. | Talladega | AL | — | ◇ UNVERIFIED |
| SMSuperior Metal Finishing INC | Gardena | CA | — | ◇ UNVERIFIED |
| SMSuperior Metal Finishing Site | Tualatin | OR | — | ◇ UNVERIFIED |
| SMSuperior Metal Polishing | Huntington Park | CA | — | ◇ UNVERIFIED |
| SMSuperior Mfg. CORP. Dba A-j Sales | Commerce City | CO | — | ◇ UNVERIFIED |
| SPSuperior Plating INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| SPSuperior Process Company | Framingham | MA | — | ◇ UNVERIFIED |
| SSSuperior Solvents and Chemicals INC | Effingham | IL | — | ◇ UNVERIFIED |
| SSSuperior Spindle Service LLC | Taylor | MI | — | ◇ UNVERIFIED |
| SSSuper Steel LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| SSSuper Steel Products CORP | Milwaukee | WI | — | ◇ UNVERIFIED |
| SSSuper Surface Techna | Mukilteo | WA | — | ◇ UNVERIFIED |
| SBSupreme Bumpers INC | Toledo | OH | — | ◇ UNVERIFIED |
| SCSupreme Casting, INC. | Milwaukee | WI | — | ◇ UNVERIFIED |
| SCSupreme Cores, Incorporated | Milwaukee | WI | — | ◇ UNVERIFIED |
| SCSupreme CORP | Griffin | GA | — | ◇ UNVERIFIED |
| SGSupreme Gear CO | Fraser | MI | — | ◇ UNVERIFIED |
| SLSupreme Laundry / Scranton | Scranton | PA | — | ◇ UNVERIFIED |
| SMSupreme Mid-atlantic Plant 2 | Jonestown | PA | — | ◇ UNVERIFIED |
 Sure-foot Industries Corporation (1318008340) | Cleveland | OH | — | ◇ UNVERIFIED |
| SPSure Power Industries | Tualatin | OR | — | ◇ UNVERIFIED |
| SASurface Activation Technologies LLC | Troy | MI | — | ◇ UNVERIFIED |
| SCSurfacetec CORP | Bensenville | IL | — | ◇ UNVERIFIED |
| STSurface Treatment Technologies | Halethorpe | MD | — | ◇ UNVERIFIED |
| SFSurftech Finishes CO INC | Kent | WA | — | ◇ UNVERIFIED |
| SISurgichrome INC | Clackamas | OR | — | ◇ UNVERIFIED |
| SUSuruga USA CORP | Addison | IL | — | ◇ UNVERIFIED |
| SZSussex Zinc Plating INC | Sussex | WI | — | ◇ UNVERIFIED |
| SQSuzy Q Clnr Almshouse /northampton Twp | Richboro | PA | — | ◇ UNVERIFIED |
| SISwabplus INC | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| SMSwaim Metals Incorporated | High Point | NC | — | ◇ UNVERIFIED |
