| SOSolors Optional Axis INC | Elk River | MN | — | ◇ UNVERIFIED |
| SOSolors Optional Axis INC | Elk River | MN | — | ◇ UNVERIFIED |
| SDSolvent Distillation INC | Columbia | IL | — | ◇ UNVERIFIED |
| SOS & O Machines, INC. | Conroe | TX | — | ◇ UNVERIFIED |
| SASomec, a Divison of Snk America, INC. | Sanford | FL | — | ◇ UNVERIFIED |
| SISomething in the Orange | Colorado Springs | CO | — | ◇ UNVERIFIED |
| SISomi, Inc. | Saco | ME | — | ◇ UNVERIFIED |
| SLSonaris, LLC | Rochester | NY | — | ◇ UNVERIFIED |
| SMSondrol Machining LLC | Sunburg | MN | — | ◇ UNVERIFIED |
| SRSonnenblick-del Rio El Monte Asset Leas | El Monte | CA | — | ◇ UNVERIFIED |
| STSonny Taylor Enterprises, LLC | Deland | FL | — | ◇ UNVERIFIED |
 Sonoco Products CO. | Deridder | LA | — | ◇ UNVERIFIED |
| Sonoco Products Company | Benicia | CA | — | ◇ UNVERIFIED |
| SPSon Phi Ho and Kelly Troung Ho, Trustees of The Ho Family Living Trust Dated 09/ | Campbell | CA | — | ◇ UNVERIFIED |
| SMSooner Manufacturing | Tulsa | OK | — | ◇ UNVERIFIED |
| SPSooner Pipe Crosby Yard | Crosby | TX | — | ◇ UNVERIFIED |
| SPSooner Pipe, LLC | Montoursville | PA | — | ◇ UNVERIFIED |
| SPSorbco Packaging LLC | Belen | NM | — | ◇ UNVERIFIED |
| SISos/aaa Iron Works INC | Mobile | AL | — | ◇ UNVERIFIED |
| SFSource Fluid Power INC Dba Vector Engineering CO | Chaska | MN | — | ◇ UNVERIFIED |
| SMSource Machine INC | Burnsville | MN | — | ◇ UNVERIFIED |
| SOSource One Direct, INC | Atlanta | GA | — | ◇ UNVERIFIED |
| STSource Too Machine INC. | Winnemucca | NV | — | ◇ UNVERIFIED |
| SASouth Austin Workshop, LLC | Austin | TX | — | ◇ UNVERIFIED |
| SBSouth Beach Candle Company, INC | Hialeah | FL | — | ◇ UNVERIFIED |
| SBSouth Beloit Fire Department | South Beloit | IL | — | ◇ UNVERIFIED |
| SCSouth Central Fs | Effingham | IL | — | ◇ UNVERIFIED |
| SCSouth Central Fs INC | Saint Peter | IL | — | ◇ UNVERIFIED |
| SCSouth Central Precision Machine, CORP | Richfield | UT | — | ◇ UNVERIFIED |
| SCSouth County Muffler | Morgan Hill | CA | — | ◇ UNVERIFIED |
| SDSoutheastern Dock Systems | Athens | AL | — | ◇ UNVERIFIED |
| SESoutheastern Engineering Sales INC | Colonial Heights | VA | — | ◇ UNVERIFIED |
| SMSoutheastern Metal Fabricator | Rockland | MA | — | ◇ UNVERIFIED |
| SFSouth-east Fabricators INC. | Rocky Mount | NC | — | ◇ UNVERIFIED |
| SBSouthern Brick and Tile Company | Byhalia | MS | — | ◇ UNVERIFIED |
| SBSouthern Bus & Mobility | Breese | IL | — | ◇ UNVERIFIED |
| SCSouthern Carbide, INC. | Shreveport | LA | — | ◇ UNVERIFIED |
| SCSouthern Custom Fabrication | Carencro | LA | — | ◇ UNVERIFIED |
| SESouthern Enterprises of Southeast Louisiana, INC. | Ponchatoula | LA | — | ◇ UNVERIFIED |
| SISouthern Illinois Clean Energy Center | Herrin | IL | — | ◇ UNVERIFIED |
| SISouthern Illinois Materials | Mount Vernon | IL | — | ◇ UNVERIFIED |
| SISouthern Industrial Metal Fabricators INC | Smyrna | GA | — | ◇ UNVERIFIED |
| SMSouthern Machine and Tool, Inc. | Georgetown | SC | — | ◇ UNVERIFIED |
| SMSouthern Metal Restoration Company, LLC | Newnan | GA | — | ◇ UNVERIFIED |
| SNSouthern Nut 'n Tree Equipment | Goldthwaite | TX | — | ◇ UNVERIFIED |
| SPSouthern Pacific Transportation CO | Fairmont City | IL | — | ◇ UNVERIFIED |
| SPSouthern Perfection Fabrication Holdings, INC. | Byron | GA | — | ◇ UNVERIFIED |
| SRSouthern Rust Furniture LLC | Monroe | NC | — | ◇ UNVERIFIED |
| SVSouthern Vac, LLC | Grand Prairie | TX | — | ◇ UNVERIFIED |
| SFSouth Fork Industries, Inc. | Lebanon | OR | — | ◇ UNVERIFIED |
| SFSouth Fulton Machine Works, INC. | Atlanta | GA | — | ◇ UNVERIFIED |
| SCSouth-land Carbon Products, INC. | Birmingham | AL | — | ◇ UNVERIFIED |
| SMSouthland Manufacturing INC | Douglasville | GA | — | ◇ UNVERIFIED |
| SLSouthline - Lpgs Tanforan LLC | South San Francisco | CA | — | ◇ UNVERIFIED |
| SMSouth Machine Shop | Brownsville | TX | — | ◇ UNVERIFIED |
| SMSouth Main Mart | Rockford | IL | — | ◇ UNVERIFIED |
| SMSouth Metro Wire Edm INC | Shakopee | MN | — | ◇ UNVERIFIED |
| SPSouth Plains Steel, INC. | Lubbock | TX | — | ◇ UNVERIFIED |
| SSSouthside Shell | Ottawa | IL | — | ◇ UNVERIFIED |
| SSSouth Suburban Aviation | Frankfort | IL | — | ◇ UNVERIFIED |
| STSouth Thomson Oil | Thomson | IL | — | ◇ UNVERIFIED |
| SMSouthwark Metal Manufacturing CO. | Fremont | NE | — | ◇ UNVERIFIED |
| SASouthwest Airlines CO | Chicago | IL | — | ◇ UNVERIFIED |
| SASouthwest Area High School | Chicago | IL | — | ◇ UNVERIFIED |
| SCSouthwest Christian School-maint Dept | Oak Lawn | IL | — | ◇ UNVERIFIED |
| SESouthwest Engineering Company | Oklahoma City | OK | — | ◇ UNVERIFIED |
| SPSouthwest Products CO | Irwindale | CA | — | ◇ UNVERIFIED |
| SVSouthwest Valve, INC. | Gonzales | LA | — | ◇ UNVERIFIED |
| SRSouthwind Ras LLC | Urbana | IL | — | ◇ UNVERIFIED |
| SRSouthwind Ras LLC | Thornton | IL | — | ◇ UNVERIFIED |
| SRSouthwind Ras LLC | Fairview Heights | 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 |
| SCSpaid Corporation, INC. | Pittsburgh | PA | — | ◇ UNVERIFIED |
| SFSpanish Fork Metals | Spanish Fork | UT | — | ◇ UNVERIFIED |
| SSSpare Skid Plate | Aurora | CO | — | ◇ UNVERIFIED |
| SESparkman Enterprises LLC | Tucson | AZ | — | ◇ UNVERIFIED |
| SDSparrow Development CORP | Morris | IL | — | ◇ UNVERIFIED |
| SISparrow Industries INC | Morris | IL | — | ◇ UNVERIFIED |
 Spartan Machine LLC | Oak Ridge North | TX | — | ◇ UNVERIFIED |
| SSSpartan Steel LLC | Pocatello | ID | — | ◇ UNVERIFIED |
| SBSpec Built Systems INC | Chula Vista | CA | — | ◇ UNVERIFIED |
| SFSpecial Fleet Service | Harrisonburg | VA | — | ◇ UNVERIFIED |
| SBSpeciality Bar Products Company | Blairsville | PA | — | ◇ UNVERIFIED |
| SMSpeciality Manufacturing | Nazareth | PA | — | ◇ UNVERIFIED |
| SFSpecialized Fabrication & Machine INC | Eugene | OR | — | ◇ UNVERIFIED |
| STSpecialized Transport INC | Waverly | IL | — | ◇ UNVERIFIED |
| STSpecialized Turning, INC. | Peabody | MA | — | ◇ 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 |
| SASpecialty Applications | Ponchatoula | LA | — | ◇ UNVERIFIED |
| SDSpecialty Design & Manufacturing, INC. | Reading | PA | — | ◇ UNVERIFIED |
| SESpecialty Engineering Tool & Die, LLC | Huntington | IN | — | ◇ UNVERIFIED |
| SLSpecialty Laminates USA INC | Eugene | OR | — | ◇ UNVERIFIED |
