| SMSunset Mfg CO of St Joseph | Saint Joseph | MN | — | ◇ UNVERIFIED |
| SPSunset Powder Coating | Winder | GA | — | ◇ UNVERIFIED |
| SPSunset Precision Concepts INC | Beaverton | OR | — | ◇ UNVERIFIED |
| SMSunshine Metals | Corona | CA | — | ◇ UNVERIFIED |
| SWSunshine Welding, Scallop | Port Canaveral | FL | — | ◇ UNVERIFIED |
| SSSun Steel Company | University Park | IL | — | ◇ UNVERIFIED |
| SSunsteel,llc | Sunnyside | WA | — | ◇ UNVERIFIED |
| SSSun Superior Chipper Parts LLC | Darlington | SC | — | ◇ UNVERIFIED |
| SSSun Surface Technology | San Jose | CA | — | ◇ UNVERIFIED |
| SSunvair | Valencia | CA | — | ◇ UNVERIFIED |
| SASunvair Aerospace Group INC / Mingo Aerospace | Owasso | OK | — | ◇ UNVERIFIED |
| SCSunvair Coating Tech., A-h Plating INC | Burbank | CA | — | ◇ UNVERIFIED |
| SVSun Valley Bronze, Inc. | Bellevue | ID | — | ◇ UNVERIFIED |
| SDSuper Duty, INC. | Hot Springs | AR | — | ◇ UNVERIFIED |
| SASuperior Architecture Mfg INC | Bell Gardens | CA | — | ◇ UNVERIFIED |
| SCSuperior Chrome | San Jose | CA | — | ◇ UNVERIFIED |
| SCSuperior Connector Plating, INC. | Anaheim | CA | — | ◇ UNVERIFIED |
| SCSuperior Contracting New Facility | Salina | KS | — | ◇ UNVERIFIED |
| SCSuperior Custom Powder Coating, INC. | Maryville | IL | — | ◇ UNVERIFIED |
| SDSuperior Derrick Services LLC | New Iberia | LA | — | ◇ UNVERIFIED |
| SESuperior Enterprises INC | Jackson | TN | — | ◇ UNVERIFIED |
| SESuperior Equipment & Service LLC | Sheridan | WY | — | ◇ UNVERIFIED |
| SFSuperior Fabrication INC. | Canadian | TX | — | ◇ UNVERIFIED |
| SFSuperior Fabrication, INC | Elk City | OK | — | ◇ UNVERIFIED |
| SFSuperior Fabrication, INC. | Ada | OK | — | ◇ UNVERIFIED |
| SFSuperior Fabricators INC | Baldwin | LA | — | ◇ UNVERIFIED |
| SFSuperior Finishing | Providence | RI | — | ◇ UNVERIFIED |
| SGSuperior Grinding and Sales, INC. | Claremore | OK | — | ◇ UNVERIFIED |
| SISuperior Industries International Incorporated | Van Nuys | CA | — | ◇ UNVERIFIED |
| SMSuperior Machine INC | White Bear Lake | MN | — | ◇ UNVERIFIED |
| SMSuperior Machine & Welding INC | Anchorage | AK | — | ◇ UNVERIFIED |
| SMSuperior Machine Works, LLC | Mobile | AL | — | ◇ UNVERIFIED |
| SMSuperior Machining INC | New Hudson | MI | — | ◇ UNVERIFIED |
| SMSuperior Machining LLC | Brea | CA | — | ◇ UNVERIFIED |
| SMSuperior Manufacturing Company | Winston Salem | NC | — | ◇ UNVERIFIED |
| SMSuperior Mason Products LLC | Homewood | AL | — | ◇ UNVERIFIED |
| SMSuperior Mason Products LLC | Birmingham | AL | — | ◇ UNVERIFIED |
| SMSuperior Metal Finishing | Trenton | NJ | — | ◇ UNVERIFIED |
| SMSuperior Metal Finishing INC | Gardena | CA | — | ◇ UNVERIFIED |
| SMSuperior Metal Finishing, INC. | Loves Park | IL | — | ◇ UNVERIFIED |
| SMSuperior Metal Finishing Site | Tualatin | OR | — | ◇ UNVERIFIED |
| SMSuperior Metal Polishing | Huntington Park | CA | — | ◇ UNVERIFIED |
| SMSuperior Metal Polishing | Palmdale | CA | — | ◇ UNVERIFIED |
| SMSuperior Metals, Inc. | San Jose | CA | — | ◇ UNVERIFIED |
| SMSuperior Metals, Inc. | San Jose | CA | — | ◇ UNVERIFIED |
| SMSuperior Metal Technologies | Indianapolis | IN | — | ◇ UNVERIFIED |
| SPSuperior Pacific Galvanizing | Los Angeles | CA | — | ◇ UNVERIFIED |
| SPSuperior Plating INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| SPSuperior Plating INC. | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| SPSuperior Powder Coating | Santa Clara | CA | — | ◇ UNVERIFIED |
| SQSuperior Quality Machine | Garrettsville | OH | — | ◇ UNVERIFIED |
| SSSuperior Sandblasting & Coatings | Fontana | CA | — | ◇ UNVERIFIED |
| SSSuperior Steel Connectors Inc | Bay Shore | NY | — | ◇ UNVERIFIED |
| SSSuperior Steel Connectors Inc | Ronkonkoma | NY | — | ◇ UNVERIFIED |
| SSSuperior Suppliers Network, LLC | Houghton | MI | — | ◇ UNVERIFIED |
| SSSuperior Supplies INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
 Superior Tank CO INC | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| STSuperior Tool, Inc. | North Tonawanda | NY | — | ◇ UNVERIFIED |
| SMSuper Mix Concrete INC. | San Sebastian | PR | — | ◇ UNVERIFIED |
| SPSuper Products LLC | Compton | CA | — | ◇ UNVERIFIED |
| SSSuper Steel LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| SSSuper Steel Products CORP | Milwaukee | WI | — | ◇ UNVERIFIED |
| SSSuper Surface Techna | Mukilteo | WA | — | ◇ UNVERIFIED |
| SMSupertech Machining INC | Chatsworth | CA | — | ◇ UNVERIFIED |
| SSSupervoid Systems, LLC | Prattville | AL | — | ◇ UNVERIFIED |
| SBSupreme Bumpers INC | Toledo | OH | — | ◇ UNVERIFIED |
| SMSupreme Manufacturing Company, Dba C & L Supreme Manufacturing Company | Des Plaines | IL | — | ◇ UNVERIFIED |
| SMSupreme Manufacutring, INC. | Stoneboro | PA | — | ◇ UNVERIFIED |
| SPSupreme Plating & Coating, L De La Rosa | Inglewood | CA | — | ◇ UNVERIFIED |
| SSSupreme Service & Specialty CO INC Thru Tubing Div | Broussard | LA | — | ◇ UNVERIFIED |
| SPSupremo Products, LLC | Adamsburg | PA | — | ◇ UNVERIFIED |
| SSSuraci Spray & Finishing, LLC | New Haven | CT | — | ◇ UNVERIFIED |
| SISurcore INC | Denver | CO | — | ◇ UNVERIFIED |
| SFSurface Finish Technology Plating | Corona | CA | — | ◇ UNVERIFIED |
| SMSurface Manufacturing CO | Capron | IL | — | ◇ UNVERIFIED |
| SSSurface Solutions Incorporated | Minneapolis | MN | — | ◇ UNVERIFIED |
| SSSurface Specialties of Benton Harbor INC | Benton Harbor | MI | — | ◇ UNVERIFIED |
| SCSurfacetec CORP | Bensenville | IL | — | ◇ UNVERIFIED |
| SFSurftech Finishes CO INC | Kent | WA | — | ◇ UNVERIFIED |
| SISurgichrome INC | Clackamas | OR | — | ◇ UNVERIFIED |
| SSurtec | Eveleth | MN | — | ◇ UNVERIFIED |
| SDSuspension Development Group | El Cajon | CA | — | ◇ UNVERIFIED |
| SZSussex Zinc Plating INC | Butler | WI | — | ◇ UNVERIFIED |
| SZSussex Zinc Plating INC | Sussex | WI | — | ◇ UNVERIFIED |
| SPSutherland Presses | La Mirada | CA | — | ◇ UNVERIFIED |
| SHSutton Holdings LLC | Bronson | MI | — | ◇ UNVERIFIED |
| SVS & V Fabrications INC | Camden | TN | — | ◇ UNVERIFIED |
| SMSwafford-Kientzy Machine & Fabrication, Inc | Troy | MO | — | ◇ UNVERIFIED |
| SMSwagelok Manufacturing CO LLC | Solon | OH | — | ◇ UNVERIFIED |
| SMSwaim Metals Incorporated | High Point | NC | — | ◇ UNVERIFIED |
| STSwanson Tool and Die INC | Maple Grove | MN | — | ◇ UNVERIFIED |
| SMSwartz Manufacturing, INC. | Elyria | OH | — | ◇ UNVERIFIED |
| SFSweatshop Fabrication | Robstown | TX | — | ◇ UNVERIFIED |
| SLSwedge, LLC | Portland | OR | — | ◇ UNVERIFIED |
| SMSweetwater Machine and Welding INC. | Sweetwater | TX | — | ◇ UNVERIFIED |
| SSSwenson Steel Products Company, INC. | Ceres | CA | — | ◇ UNVERIFIED |
| SSSwenson Steel Products Company INC Dba Swenson Shear | Atwater | CA | — | ◇ UNVERIFIED |
| SASwift-cor Aerospace, INC. | Gardena | CA | — | ◇ UNVERIFIED |
| SMSwift Metal Finishing | Santa Clara | CA | — | ◇ UNVERIFIED |
| STSwing Trucking Portable Crushing & Screening Equipment | Washakie | WY | — | ◇ UNVERIFIED |
