| SSSouthern Specialties CORP | Tulsa | OK | — | ◇ UNVERIFIED |
| SSSouthern Structural Steel, INC. | Chesapeake | VA | — | ◇ UNVERIFIED |
| SFSouth Florida Aluminum INC. | Lake Worth | FL | — | ◇ UNVERIFIED |
| SFSouth Fork Industries, Inc. | Lebanon | OR | — | ◇ UNVERIFIED |
| SFSouth Fulton Machine Works, INC. | Atlanta | GA | — | ◇ UNVERIFIED |
| SGSouth Gate Engineering LLC | Chino | CA | — | ◇ UNVERIFIED |
| SFSouthland Fabricators, LLC | Walker | LA | — | ◇ UNVERIFIED |
| SMSouth Machine Shop | Brownsville | TX | — | ◇ UNVERIFIED |
| SMSouth Main Mart | Rockford | IL | — | ◇ UNVERIFIED |
| SMSouth Metro Wire Edm INC | Shakopee | MN | — | ◇ UNVERIFIED |
| SSSouth Shore Iron Works | Chicago | IL | — | ◇ UNVERIFIED |
| SSSouthside Shell | Ottawa | IL | — | ◇ UNVERIFIED |
| SSSouth Suburban Aviation | Frankfort | IL | — | ◇ UNVERIFIED |
| STSouth Texas Sheet Metal LLC | Houston | TX | — | ◇ UNVERIFIED |
| STSouth Texas Steel Service Company LLC | Victoria | TX | — | ◇ UNVERIFIED |
| STSouth Thomson Oil | Thomson | IL | — | ◇ UNVERIFIED |
| SMSouthwark Metal | Southaven | MS | — | ◇ UNVERIFIED |
| SMSouthwark Metal Manufacturing Company | Powdersville | SC | — | ◇ UNVERIFIED |
| SASouthwest Airlines CO | Chicago | IL | — | ◇ UNVERIFIED |
| SASouthwest Area High School | Chicago | IL | — | ◇ UNVERIFIED |
| SCSouthwest Christian School-maint Dept | Oak Lawn | IL | — | ◇ UNVERIFIED |
| SSSouthwestern Supply & Machine Works* | Saint Joseph | MO | — | ◇ UNVERIFIED |
| SFSouthwest Fabricators | Hugo | OK | — | ◇ UNVERIFIED |
| SSSouthwest Steel Fabrication LLC | Kansas City | MO | — | ◇ UNVERIFIED |
| SSSouthwest Steel, Llc, a Nevada Limited Liability Company | El Mirage | AZ | — | ◇ UNVERIFIED |
| SVSouthwest Valve, INC. | Gonzales | LA | — | ◇ UNVERIFIED |
| SRSouthwind Ras LLC | Thornton | IL | — | ◇ UNVERIFIED |
| SRSouthwind Ras LLC | Fairview Heights | IL | — | ◇ UNVERIFIED |
| SRSouthwind Ras LLC | Urbana | IL | — | ◇ UNVERIFIED |
| SCSouthwood Corporation | Charlotte | NC | — | ◇ UNVERIFIED |
| SFSouthwood Furn CORP - Southampton | Hickory | NC | — | ◇ UNVERIFIED |
| SSovema | Saint Louis | MO | — | ◇ UNVERIFIED |
| SCSoy City Sock Co., INC. | Monticello | IL | — | ◇ UNVERIFIED |
| SESoy Essentials, LLC | Redmond | OR | — | ◇ UNVERIFIED |
| SSpacesonic | San Carlos | CA | — | ◇ UNVERIFIED |
| SWSpanier Welding & Metal Fabrication INC | Paynesville | MN | — | ◇ UNVERIFIED |
| SFSpanish Fork Metals | Spanish Fork | UT | — | ◇ UNVERIFIED |
| SISpan-o-matic INC | Brea | CA | — | ◇ UNVERIFIED |
| SESpantek Expanded Metal INC | Hopkins | MN | — | ◇ UNVERIFIED |
| SESpantex Expanded Metal, INC. | Lincolnton | NC | — | ◇ UNVERIFIED |
| SPSpa Pipe & Supply, L.p. | Abilene | TX | — | ◇ UNVERIFIED |
| SMSparhawk Metals, INC. | Lockwood | NV | — | ◇ UNVERIFIED |
| SDSparrow Development CORP | Morris | IL | — | ◇ UNVERIFIED |
| SISparrow Industries INC | Morris | IL | — | ◇ UNVERIFIED |
 Spartan Machine LLC | Oak Ridge North | TX | — | ◇ UNVERIFIED |
| S5Spec 5 Steel INC | San Jose | CA | — | ◇ UNVERIFIED |
| SISpecht Industries,inc | Santa Clarita | CA | — | ◇ UNVERIFIED |
| SISpecial Iron Security Systems INC | South El Monte | CA | — | ◇ UNVERIFIED |
| STSpecialized Transport INC | Waverly | IL | — | ◇ UNVERIFIED |
| SWSpecialized Welders | Torrance | CA | — | ◇ UNVERIFIED |
| SMSpecial Metal Works | Rayne | LA | — | ◇ UNVERIFIED |
| SSSpecial Service for Groups | Los Angeles | CA | — | ◇ UNVERIFIED |
| SSSpecial Service for Groups | Los Angeles | CA | — | ◇ UNVERIFIED |
| SSSpecial Service for Groups INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| SSSpecial Service for Groups INC Project 180 | Los Angeles | CA | — | ◇ UNVERIFIED |
| SSSpecial Service Products, INC. | Carrollton | GA | — | ◇ UNVERIFIED |
| SBSpecialty Building Components | Pico Rivera | CA | — | ◇ UNVERIFIED |
| SDSpecialty Design & Manufacturing, INC. | Reading | PA | — | ◇ UNVERIFIED |
| SESpecialty Engine Components LLC | Chelsea | MI | — | ◇ UNVERIFIED |
| SFSpecialty Fabrication, INC. | Wichita | KS | — | ◇ UNVERIFIED |
| SFSpecialty Fabrication & Powder Coatingllc | Oil City | PA | — | ◇ UNVERIFIED |
| SFSpecialty Fabricators INC. | York | PA | — | ◇ UNVERIFIED |
| SLSpecialty Laminates USA INC | Eugene | OR | — | ◇ UNVERIFIED |
| SLSpecialty Laminate USA INC | Eugene | OR | — | ◇ UNVERIFIED |
| SMSpecialty Maint & Construction | Lakeland | FL | — | ◇ UNVERIFIED |
| SMSpecialty Manufacturing INC | San Diego | CA | — | ◇ UNVERIFIED |
| SMSpecialty Metal Fabricators | Caledonia | MI | — | ◇ UNVERIFIED |
| SMSpecialty Metal Fabricators LLC | Portland | OR | — | ◇ UNVERIFIED |
| SMSpecialty Metals Fabrication INC | Santee | CA | — | ◇ UNVERIFIED |
| SPSpecialty Packaging | Smyrna | TN | — | ◇ UNVERIFIED |
| SPSpecialty Print Communications | Niles | IL | — | ◇ UNVERIFIED |
| SSSpecialty Steel Fabricators | Olympia | WA | — | ◇ UNVERIFIED |
| SSSpecialty Steel Solutions | Kenton | OH | — | ◇ UNVERIFIED |
| SSSpecialty Systems | Bloomington | MN | — | ◇ UNVERIFIED |
| STSpecialty Tooling & Design, LLC | Margate | FL | — | ◇ UNVERIFIED |
| SISpecsys INC | Prentice | WI | — | ◇ UNVERIFIED |
| SLSpectex, LLC | Rochester | NH | — | ◇ UNVERIFIED |
| SRSpectex Realty, LLC | Somersworth | NH | — | ◇ UNVERIFIED |
| SISpectralytics INC | Dassel | MN | — | ◇ UNVERIFIED |
| SCSpectrum Commercial Group, LLC | Anaheim | CA | — | ◇ UNVERIFIED |
| SDSpectrum Dermatology-camelback | Phoenix | AZ | — | ◇ UNVERIFIED |
| SLSpectrum Laboratories INC Dba Repligen CORP | Rancho Dominguez | CA | — | ◇ UNVERIFIED |
| SPSpectrum Prototype INC | Hillsboro | OR | — | ◇ UNVERIFIED |
| SRSpectrum Resources LLC | Suwanee | GA | — | ◇ UNVERIFIED |
| SSpeedlane | Countryside | IL | — | ◇ UNVERIFIED |
| SMSpeed Machine CORP. | Cutler Bay | FL | — | ◇ UNVERIFIED |
| SMSpeed Machine Inc. | Bridgeview | IL | — | ◇ UNVERIFIED |
| SDSpee D Mart | Hampshire | IL | — | ◇ UNVERIFIED |
| SMSpeed Metal Fabrication, Incorporated | High Point | NC | — | ◇ UNVERIFIED |
| SSpeedway | Crest Hill | IL | — | ◇ UNVERIFIED |
| SSpeedway | Lake in the Hills | IL | — | ◇ UNVERIFIED |
| SSpeedway | Bedford Park | IL | — | ◇ UNVERIFIED |
| SSpeedway | Williamsville | IL | — | ◇ UNVERIFIED |
| SSpeedway | Effingham | IL | — | ◇ UNVERIFIED |
| SSpeedway | Lake Barrington | IL | — | ◇ UNVERIFIED |
| SSpeedway | Warrenville | IL | — | ◇ UNVERIFIED |
| SSpeedway | Northlake | IL | — | ◇ UNVERIFIED |
| SSpeedway | Volo | IL | — | ◇ UNVERIFIED |
| SSpeedway | Belvidere | IL | — | ◇ UNVERIFIED |
| SSpeedway #1127 | Bolingbrook | IL | — | ◇ UNVERIFIED |
