| SSSme Steel Fabrication | West Jordan | UT | — | ◇ UNVERIFIED |
| SJSmi Joist Sc | Eastover | SC | — | ◇ UNVERIFIED |
| SSSmi Steel Fabricators, INC. Dba Cmc Rebar-orlando | Kissimmee | FL | — | ◇ UNVERIFIED |
| SCSmith - Carolina Corporation | Reidsville | NC | — | ◇ UNVERIFIED |
| SCSmith Center Plant 1 | Smith Center | KS | — | ◇ UNVERIFIED |
| SCSmith Columbia Corporation | Hopkins | SC | — | ◇ UNVERIFIED |
| SGSmith Garden Center & Landscaping INC. | Macomb | IL | — | ◇ UNVERIFIED |
 Smith Ironworks of Atlanta | Atlanta | GA | — | ◇ UNVERIFIED |
| SCSmiths Concrete Products Incorporated | Bishopville | SC | — | ◇ UNVERIFIED |
| SMS & M Steel Fab INC | Beaverton | OR | — | ◇ UNVERIFIED |
| SRSmyrna Ready Mix Concrete | Lewisburg | TN | — | ◇ UNVERIFIED |
| SRSmyrna Ready Mix - Portable Ready Mix 2 | Colorado Springs | CO | — | ◇ UNVERIFIED |
| SOSnap on Logistics | Algona | IA | — | ◇ UNVERIFIED |
| SMSnell Manufacturing, LLC | Cottontown | TN | — | ◇ UNVERIFIED |
| SVSnell Ventures, LLC | Bradford | TN | — | ◇ UNVERIFIED |
| SWSnow Wheel System INC | Fairmont | MN | — | ◇ UNVERIFIED |
| SSSo-cal Structural Steel Fabrication INC | Marina Del Rey | CA | — | ◇ UNVERIFIED |
| SISoelzer, INC Dba Firestone Fabricators | Signal Hill | CA | — | ◇ UNVERIFIED |
| SESolar Erectors U.s. INC. | Doral | FL | — | ◇ UNVERIFIED |
| SFSolid Form Fabrication INC | Mcminnville | OR | — | ◇ UNVERIFIED |
| SFSomerville Fabricators, INC | Mineral Wells | WV | — | ◇ UNVERIFIED |
| SSSonne Steel INC | Smithfield | KY | — | ◇ UNVERIFIED |
| SSSonne Steel INC. | Smithfield | KY | — | ◇ UNVERIFIED |
| SSSopris Steel Construction, Inc. | New Castle | CO | — | ◇ UNVERIFIED |
| SASousa and Demayo INC | North Attleboro | MA | — | ◇ UNVERIFIED |
| SASouth Anna Stair and Rail Company INC | Ashland | VA | — | ◇ UNVERIFIED |
| SBSouth Bay Concrete Design LLC | Sayville | NY | — | ◇ UNVERIFIED |
| SCSouth Central Steel Inc. | Harpersville | AL | — | ◇ UNVERIFIED |
| SCSouth Coast Commercial | San Diego | CA | — | ◇ UNVERIFIED |
| SCSouth County Steel, INC. | West Kingston | RI | — | ◇ UNVERIFIED |
| SCSoutheast Construction Products, INC. | Daytona Beach | FL | — | ◇ UNVERIFIED |
| SCSoutheastern Container | Gautier | MS | — | ◇ UNVERIFIED |
| SPSoutheastern Pipe & Precast INC | Cantonment | FL | — | ◇ UNVERIFIED |
| SPSoutheastern Prestressed Concrete INC | West Palm Beach | FL | — | ◇ UNVERIFIED |
| SUSoutheastern Unipole INC | Bowling Green | KY | — | ◇ UNVERIFIED |
| SFSoutheast Fabricating, INC. | Cape Girardeau | MO | — | ◇ UNVERIFIED |
| SMSoutheast Mechanical Contractors | West Park | FL | — | ◇ UNVERIFIED |
| SSSoutheast Stone Restoration, LLC | Orlando | FL | — | ◇ UNVERIFIED |
| SBSouthern Boiler Service INC. | Lakeland | FL | — | ◇ UNVERIFIED |
| SCSouthern Concrete Construction Company, INC. | Norman Park | GA | — | ◇ UNVERIFIED |
| SCSouthern Crushed Concrete, LLC | Corpus Christi | TX | — | ◇ UNVERIFIED |
| SFSouthern Fabrication Contractors LLC | Chattanooga | TN | — | ◇ UNVERIFIED |
| SFSouthern Fab & Supports, INC. | Conroe | TX | — | ◇ UNVERIFIED |
| SHSouthern Heritage Masonry, LLC | Atlanta | GA | — | ◇ UNVERIFIED |
| SISouthern Industrial Metal Fabricators INC | Smyrna | GA | — | ◇ UNVERIFIED |
| SMSouthern Metal Products CO INC | Louisville | KY | — | ◇ UNVERIFIED |
| SMSouthern Metals Company of Mississippi INC | Laurel | MS | — | ◇ UNVERIFIED |
| SMSouthern Meter Box, INC. | Alexandria | LA | — | ◇ UNVERIFIED |
| SNSouthern Nevada Welding, INC. | Las Vegas | NV | — | ◇ UNVERIFIED |
| SPSouthern Precast Concrete Corporation | Tarpon Springs | FL | — | ◇ UNVERIFIED |
| SRSouthern Rail and Company, INC. | Fort Walton Beach | FL | — | ◇ UNVERIFIED |
| SRSouthern Rigging and Erection of Louisburg, Incorp | Cary | NC | — | ◇ UNVERIFIED |
| SSSouthern Steel Comapny Limited Liability Company | Charlotte | NC | — | ◇ UNVERIFIED |
| SSSouthern Structural Steel, INC. | Chesapeake | VA | — | ◇ UNVERIFIED |
| SSSouthern Structural Steel Incorporated | Smithfield | VA | — | ◇ UNVERIFIED |
| SSSouthern Structural Steel of Fl, INC | Saint Petersburg | FL | — | ◇ UNVERIFIED |
| SUSouthern Utah Vault Co., INC. | Washington | UT | — | ◇ UNVERIFIED |
| SVSouthern Vermont Precast, INC. | Westminster | VT | — | ◇ UNVERIFIED |
| SFSouth Florida Aluminum INC. | Lake Worth | FL | — | ◇ UNVERIFIED |
| SFSouthland Fabricators, LLC | Walker | LA | — | ◇ UNVERIFIED |
| SMSouthline Metal Products CO | Houston | TX | — | ◇ UNVERIFIED |
| SISouth-Pak Inc | Norcross | GA | — | ◇ UNVERIFIED |
| SSSouth Shore Iron Works | Chicago | IL | — | ◇ UNVERIFIED |
| SSSouth Sligo Compressor Station | Sligo | LA | — | ◇ UNVERIFIED |
| STSouth Texas Steel Service Company LLC | Victoria | TX | — | ◇ UNVERIFIED |
| SVSouth Valley Mfg | Springfield | MO | — | ◇ UNVERIFIED |
| SASouthwest Assets Management CORP | Calexico | CA | — | ◇ UNVERIFIED |
| SHSouthwestern Hollow Metal | Raton | NM | — | ◇ UNVERIFIED |
| SPSouthwestern Packaging & Seals | Shreveport | LA | — | ◇ 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 |
| SSpancrete | Newnan | GA | — | ◇ UNVERIFIED |
| SISpancrete Industries, INC. | Menomonee Falls | WI | — | ◇ UNVERIFIED |
| SISpancrete Industries - Valders | Valders | WI | — | ◇ UNVERIFIED |
| SISpancrete Industries - Waukesha | Waukesha | WI | — | ◇ UNVERIFIED |
| SOSpancrete of Illinois | Crystal Lake | IL | — | ◇ UNVERIFIED |
| SWSpanier Welding & Metal Fabrication INC | Paynesville | MN | — | ◇ UNVERIFIED |
| SMSparhawk Metals, INC. | Lockwood | NV | — | ◇ UNVERIFIED |
| S5Spec 5 Steel INC | San Jose | CA | — | ◇ UNVERIFIED |
| SISpecht Industries,inc | Santa Clarita | CA | — | ◇ UNVERIFIED |
| SWSpecialized Welders | Torrance | CA | — | ◇ UNVERIFIED |
| SPSpecial Products Company - Golden Plant | Golden | CO | — | ◇ UNVERIFIED |
| SPSpecial Products Energy | Canton | MA | — | ◇ UNVERIFIED |
| SMSpecialty Maint & Construction | Lakeland | FL | — | ◇ UNVERIFIED |
| SMSpecialty Manufacturing | Amesbury | MA | — | ◇ UNVERIFIED |
| SMSpecialty Manufacturing Company INC. | Bath | SD | — | ◇ UNVERIFIED |
| SMSpecialty Metals Fabrication INC | Santee | CA | — | ◇ UNVERIFIED |
| SSSpecialty Steel Fabricators | Olympia | WA | — | ◇ UNVERIFIED |
| SISpecsys INC | Prentice | WI | — | ◇ UNVERIFIED |
| SWSpeedling Welding Trailer Dba Svj Creative Designs | Kellogg | MN | — | ◇ UNVERIFIED |
| SISpengler Industries | Salt Lake City | UT | — | ◇ UNVERIFIED |
| SESperos Enterprises, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| SCSpf Corporation of America | Houston | TX | — | ◇ UNVERIFIED |
| SSSpherion Staffing LLC | Tulare | CA | — | ◇ UNVERIFIED |
| SSSpherion Staffing Services | Little Rock | AR | — | ◇ UNVERIFIED |
| SPSpika Properties, LLC | Lewistown | MT | — | ◇ UNVERIFIED |
| SFSpirit Fabs, INC. | Green Bay | WI | — | ◇ UNVERIFIED |
| SISpirit Implement LLC | Waupaca | WI | — | ◇ UNVERIFIED |
| SOSpm Oil & Gas - Fort Lupton | Fort Lupton | CO | — | ◇ UNVERIFIED |
