| SPSonoco Plastics, INC. | Chatham | NY | — | ◇ UNVERIFIED |
 Sonoco Products Company | Henderson | KY | — | ◇ UNVERIFIED |
| SPSonoco Protective Solutions, INC | Putnam | CT | — | ◇ 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 |
| SBSorenson Bioscience INC. | Murray | UT | — | ◇ UNVERIFIED |
| SPSorenson Precision | Goleta | CA | — | ◇ UNVERIFIED |
| SISos/aaa Iron Works INC | Mobile | AL | — | ◇ UNVERIFIED |
| SHSOSD Holdings, LLC | Kentwood | MI | — | ◇ UNVERIFIED |
| SSSos Soda Blasting, INC. | Rockford | IL | — | ◇ UNVERIFIED |
| SVSound View Plastics, LLC | Westbrook | CT | — | ◇ UNVERIFIED |
| SFSource Fluid Power INC Dba Vector Engineering CO | Chaska | MN | — | ◇ UNVERIFIED |
| SMSource Machine INC | Burnsville | MN | — | ◇ UNVERIFIED |
| STSource Too Machine INC. | Winnemucca | NV | — | ◇ UNVERIFIED |
| SASouth Anchor Manufacturing | El Paso | TX | — | ◇ 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 Marble INC | San Carlos | CA | — | ◇ UNVERIFIED |
| SCSouth Carolina Plastics LLC | Fountain Inn | SC | — | ◇ UNVERIFIED |
 South Central Manufacturing Corporation | Summersville | MO | — | ◇ UNVERIFIED |
| SCSouth Central Precision Machine, CORP | Richfield | UT | — | ◇ 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 |
| SCSoutheast Culvert, INC. | Cleveland | 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 |
| STSoutheastern Tool Co., INC. | Aiken | SC | — | ◇ UNVERIFIED |
| SFSouth-east Fabricators INC. | Rocky Mount | NC | — | ◇ UNVERIFIED |
| SASouthern Anchor Bolt CO. | Harlem | GA | — | ◇ UNVERIFIED |
| SBSouthern Boiler & Tank Works, Incorporat | Memphis | TN | — | ◇ UNVERIFIED |
| SCSouthern Carbide, INC. | Shreveport | LA | — | ◇ UNVERIFIED |
| SCSouthern Custom Fabrication | Carencro | LA | — | ◇ UNVERIFIED |
| SDSouthern Diversified Industries | Baldwyn | MS | — | ◇ UNVERIFIED |
| SESouthern Electrical Equipment Company, INC. | Reno | NV | — | ◇ UNVERIFIED |
| SESouthern Enterprises of Southeast Louisiana, INC. | Ponchatoula | LA | — | ◇ UNVERIFIED |
 Southern Fabricators, INC. | Polkton | NC | — | ◇ UNVERIFIED |
| SGSouthern Gage INC | Erin | TN | — | ◇ UNVERIFIED |
| SISouthern Illinois Storm Shelters | Buckner | IL | — | ◇ UNVERIFIED |
| SISouthern Indiana Tool & Fabrication | Fort Branch | IN | — | ◇ UNVERIFIED |
| SISouthern Industrial Mechanical Maintenance Company Ii, LLC | Brownsville | TN | — | ◇ UNVERIFIED |
| SISouthern Industrial Mechanical Maintenance Company, LLC | Shreveport | LA | — | ◇ UNVERIFIED |
| SISouthern Industrial Metal Fabricators INC | Smyrna | GA | — | ◇ UNVERIFIED |
| SMSouthern Machine and Tool, Inc. | Georgetown | SC | — | ◇ UNVERIFIED |
