| SOSource One Direct, INC | Atlanta | GA | — | ◇ UNVERIFIED |
| SLSourcetech LLC | Winchester | VA | — | ◇ UNVERIFIED |
| STSource Too Machine INC. | Winnemucca | NV | — | ◇ UNVERIFIED |
| SASouth Anchor Manufacturing | El Paso | TX | — | ◇ UNVERIFIED |
| SASouth Anna Stair and Rail Company INC | Ashland | VA | — | ◇ UNVERIFIED |
| SASouth Anna Stair & Rail | Norfolk | VA | — | ◇ UNVERIFIED |
| SASouth Austin Workshop, LLC | Austin | TX | — | ◇ UNVERIFIED |
| SESouthbay Eco Blasting INC | Redondo Beach | CA | — | ◇ UNVERIFIED |
| SESouthbay Electrical Supply CORP | South El Monte | CA | — | ◇ UNVERIFIED |
| SBSouth Bay Iron, INC | Buena Park | CA | — | ◇ UNVERIFIED |
| SBSouth Bay Sandblasting & Tank Cleaning, INC. | San Diego | CA | — | ◇ UNVERIFIED |
| SBSouth Beach Candle Company, INC | Hialeah | FL | — | ◇ UNVERIFIED |
| SBSouth Beloit Fire Department | South Beloit | IL | — | ◇ UNVERIFIED |
| SBSouth Bend Modern Molding INC | Mishawaka | IN | — | ◇ UNVERIFIED |
| SCSouth Carolina Yutaka Technologies INC | Lugoff | SC | — | ◇ UNVERIFIED |
| SCSouth Central Fs | Effingham | IL | — | ◇ UNVERIFIED |
| SCSouth Central Fs INC | Saint Peter | IL | — | ◇ UNVERIFIED |
 South Central Manufacturing Corporation | Summersville | MO | — | ◇ UNVERIFIED |
| SCSouth Central Precision Machine, CORP | Richfield | UT | — | ◇ UNVERIFIED |
| SCSouth Central Steel Inc. | Harpersville | AL | — | ◇ UNVERIFIED |
| SCSouth Coast Commercial | San Diego | CA | — | ◇ UNVERIFIED |
| SCSouth Coast Petroleum | Murrieta | CA | — | ◇ UNVERIFIED |
| SCSouth Coast Quality Gold | Huntington Beach | CA | — | ◇ UNVERIFIED |
| SCSouth Coast Saw LLC. | Coos Bay | OR | — | ◇ UNVERIFIED |
| SCSouth County Muffler | Morgan Hill | CA | — | ◇ UNVERIFIED |
| SCSouth County Sheet Metal & Specialties INC | La Pine | OR | — | ◇ UNVERIFIED |
| SCSouth County Steel, INC. | West Kingston | RI | — | ◇ UNVERIFIED |
| SCSoutheastern Container | Gautier | MS | — | ◇ UNVERIFIED |
| SDSoutheastern Dock Systems | Athens | AL | — | ◇ UNVERIFIED |
| SESoutheastern Engineering Sales INC | Colonial Heights | VA | — | ◇ UNVERIFIED |
| SMSoutheastern Manufacturing Enterprise, INC. | Franklin | TN | — | ◇ UNVERIFIED |
| SMSoutheastern Metal Fabricator | Rockland | MA | — | ◇ UNVERIFIED |
| SMSoutheastern Metal Products LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| SSSoutheastern Sign Company INC | Brandon | MS | — | ◇ UNVERIFIED |
| STSoutheastern Tool Co., INC. | Aiken | SC | — | ◇ UNVERIFIED |
| SUSoutheastern Unipole INC | Bowling Green | KY | — | ◇ UNVERIFIED |
| SFSoutheast Fabricating, INC. | Cape Girardeau | MO | — | ◇ UNVERIFIED |
| SFSouth-east Fabricators INC. | Rocky Mount | NC | — | ◇ UNVERIFIED |
| SMSoutheast Mechanical Contractors | West Park | FL | — | ◇ UNVERIFIED |
| SASouthern Aluminum Finishing D.b.a. Saf Metal Fab | Villa Rica | GA | — | ◇ UNVERIFIED |
| SASouthern Aluminum Finishing D.b.a. Saf Metal Fab | Atlanta | GA | — | ◇ UNVERIFIED |
| SASouthern Anchor Bolt CO. | Harlem | GA | — | ◇ UNVERIFIED |
| SBSouthern Boiler Service INC. | Lakeland | FL | — | ◇ UNVERIFIED |
| SBSouthern Boiler & Tank Works, Incorporat | Memphis | TN | — | ◇ UNVERIFIED |
| SBSouthern Bus & Mobility | Breese | IL | — | ◇ UNVERIFIED |
| SCSouthern Carbide, INC. | Shreveport | LA | — | ◇ UNVERIFIED |
| SCSouthern Custom Fabrication | Carencro | LA | — | ◇ UNVERIFIED |
| SESouthern Electrical Equipment Company, INC. | Reno | NV | — | ◇ UNVERIFIED |
| SESouthern Enterprises of Southeast Louisiana, INC. | Ponchatoula | LA | — | ◇ UNVERIFIED |
| SESouthern Exhibits, INC. | Orlando | FL | — | ◇ UNVERIFIED |
| SESouthern Exhibits, INC. | Orlando | FL | — | ◇ UNVERIFIED |
| SFSouthern Fabrication Contractors LLC | Chattanooga | TN | — | ◇ UNVERIFIED |
 Southern Fabricators, INC. | Polkton | NC | — | ◇ UNVERIFIED |
| SFSouthern Fab & Supports, INC. | Conroe | TX | — | ◇ UNVERIFIED |
| SGSouthern Gage INC | Erin | TN | — | ◇ UNVERIFIED |
| SGSouthern Graphic Systems INC | Dayton | KY | — | ◇ UNVERIFIED |
| SGSouthern Graphic Systems, INC. | Hickory | NC | — | ◇ UNVERIFIED |
| SHSouthern Humboldt Farm Feed and Ag Supply INC Redway Feed and Garden Supply | Redway | CA | — | ◇ UNVERIFIED |
| SHSouthern Hydraulic Cylinder INC. | Athens | TN | — | ◇ UNVERIFIED |
| SISouthern Illinois Clean Energy Center | Herrin | IL | — | ◇ UNVERIFIED |
| SISouthern Illinois Materials | Mount Vernon | IL | — | ◇ UNVERIFIED |
| SISouthern Indiana Tool & Fabrication | Fort Branch | IN | — | ◇ UNVERIFIED |
| SISouthern Industrial Metal Fabricators INC | Smyrna | GA | — | ◇ UNVERIFIED |
| SMSouthern Machine and Tool, Inc. | Georgetown | SC | — | ◇ UNVERIFIED |
| SMSouthern Metalcraft, INC | Lithonia | GA | — | ◇ UNVERIFIED |
| SMSouthern Metal Products CO INC | Louisville | KY | — | ◇ UNVERIFIED |
| SMSouthern Metal Restoration Company, LLC | Newnan | GA | — | ◇ UNVERIFIED |
| SNSouthern Nevada Welding, INC. | Las Vegas | NV | — | ◇ UNVERIFIED |
| SNSouthern Nut 'n Tree Equipment | Goldthwaite | TX | — | ◇ UNVERIFIED |
| SOSouthern Ordnance | Brandon | MS | — | ◇ UNVERIFIED |
| SPSouthern Pacific Transportation CO | Fairmont City | IL | — | ◇ UNVERIFIED |
| SPSouthern Perfection Fabrication Holdings, INC. | Byron | GA | — | ◇ UNVERIFIED |
| SPSouthern Powder Coatings, INC. | Moultrie | GA | — | ◇ UNVERIFIED |
| SRSouthern Rail and Company, INC. | Fort Walton Beach | FL | — | ◇ UNVERIFIED |
| SRSouthern Rigging and Erection of Louisburg, Incorp | Cary | NC | — | ◇ UNVERIFIED |
| SRSouthern Roller INC. | Carrollton | GA | — | ◇ UNVERIFIED |
| SRSouthern Rust Furniture LLC | Monroe | NC | — | ◇ UNVERIFIED |
| SSSouthern Sheet Metal, INC. | Suffolk | VA | — | ◇ UNVERIFIED |
| SSSouthern Sign Crafters, INC. | Montgomery | AL | — | ◇ UNVERIFIED |
| SSSouthern Signs INC | Knoxville | TN | — | ◇ UNVERIFIED |
| SSSouthern Specialties CORP | Tulsa | OK | — | ◇ UNVERIFIED |
 Southern States Utility Trailer Sales, INC | Jackson | MS | — | ◇ UNVERIFIED |
| SSSouthern Stress, LLC | Humble | TX | — | ◇ UNVERIFIED |
| SSSouthern Structural Steel, INC. | Chesapeake | VA | — | ◇ UNVERIFIED |
| SVSouthern Vac, LLC | Grand Prairie | TX | — | ◇ UNVERIFIED |
| SFSouth Florida Aluminum INC. | Lake Worth | FL | — | ◇ UNVERIFIED |
| SFSouth Florida Sign Factory LLC | Tamarac | FL | — | ◇ UNVERIFIED |
| SFSouth Florida Signs - Kendall LLC | Miami | FL | — | ◇ UNVERIFIED |
| SFSouth Fork Industries, Inc. | Lebanon | OR | — | ◇ UNVERIFIED |
| SFSouth Fork Marina | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| SFSouth Fulton Machine Works, INC. | Atlanta | GA | — | ◇ UNVERIFIED |
| SGSouth Gate Bindery, Inc. | South Gate | CA | — | ◇ UNVERIFIED |
| SGSouth Gate Engineering LLC | Chino | CA | — | ◇ UNVERIFIED |
| SGSouth Georgia Metal Works | Eatonton | GA | — | ◇ UNVERIFIED |
| SSSouthlake Signs Tampa, Inc. | Odessa | FL | — | ◇ UNVERIFIED |
| SCSouth-land Carbon Products, INC. | Birmingham | AL | — | ◇ UNVERIFIED |
| SFSouthland Fabricators, LLC | Walker | LA | — | ◇ UNVERIFIED |
| SISouthland Industrial Coastings, LLC - Amite Facility | Amite | LA | — | ◇ UNVERIFIED |
| SMSouthland Manufacturing INC | Douglasville | GA | — | ◇ UNVERIFIED |
| SSSouthland Signs | Pasadena | TX | — | ◇ UNVERIFIED |
