| SSShane Stone Inc. | Roseburg | OR | — | ◇ UNVERIFIED |
| SSShank Screw Products CO | Cicero | IL | — | ◇ UNVERIFIED |
| SCShape CORP 144th Facility | Spring Lake | MI | — | ◇ UNVERIFIED |
| SCShape CORP 1900 Facility | Grand Haven | MI | — | ◇ UNVERIFIED |
| SCShape Corporation | Spring Lake | MI | — | ◇ UNVERIFIED |
| SSShape Steel | Liberty | MO | — | ◇ UNVERIFIED |
| SMShapiro Metal Supply Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| SVShared Vision LLC | Warren | MI | — | ◇ UNVERIFIED |
| STSharkey Technology Group INC. Dba C & T Machining | Burbank | CA | — | ◇ UNVERIFIED |
| SGSharp Grinding CO INC | West Springfield | MA | — | ◇ UNVERIFIED |
| SSSharp Steel Rule Die INC. | Emmaus | PA | — | ◇ UNVERIFIED |
| SIShatone, INC. | Whitesburg | GA | — | ◇ UNVERIFIED |
| SPShattuck Precision Machining CO INC | Westford | MA | — | ◇ UNVERIFIED |
| SAShaw Alloy Piping Products, LLC | Houma | LA | — | ◇ UNVERIFIED |
| SPShawcor Pipe Protection LLC | Portland | OR | — | ◇ UNVERIFIED |
| SFShaw Fabrication & Manufacturing, INC. | Baton Rouge | LA | — | ◇ UNVERIFIED |
| SFShawnee Fabricators | Shawnee | OK | — | ◇ UNVERIFIED |
| SFShawnee Fabricators, INC. | Shawnee | OK | — | ◇ UNVERIFIED |
| SSShawnee Steel Company | Shawnee | OK | — | ◇ UNVERIFIED |
| SPShaw Process Fabricators | West Monroe | LA | — | ◇ UNVERIFIED |
| SSShaw Sss Fabricators | Addis | LA | — | ◇ UNVERIFIED |
| SHS & H Chrome Plating & Powder Coating | Madison | TN | — | ◇ UNVERIFIED |
| SWShearer's Waterford Plant - Wastewater Force Main | Waterford, Township of | PA | — | ◇ UNVERIFIED |
| SMShed Metalworks, LLC | Cunningham | KY | — | ◇ UNVERIFIED |
| SMSheelers Machine Shop | Branson | MO | — | ◇ UNVERIFIED |
| SMSheet Metal Specialties LLC | Monroe | LA | — | ◇ UNVERIFIED |
| SPSheet Pile LLC | Holderness | NH | — | ◇ UNVERIFIED |
| SMSheffield Metals, International | Denver | CO | — | ◇ UNVERIFIED |
| SIShelby INC. Dba Edm Labs LTD | Fremont | CA | — | ◇ UNVERIFIED |
| SIShelby Industries | Shelbyville | KY | — | ◇ UNVERIFIED |
| SSShelby Steel LLC | Pell City | AL | — | ◇ UNVERIFIED |
| SSShelby Steel Vincent Incorporated | Vincent | AL | — | ◇ UNVERIFIED |
| SSShelco Steel Works INC | South Holland | IL | — | ◇ UNVERIFIED |
| SMSheldon Mechanical Corporation | Santa Clarita | CA | — | ◇ UNVERIFIED |
| SIShellpro INC | Lockeford | CA | — | ◇ UNVERIFIED |
| SIShemoggun INC Dba Kramer - Moen Machine CO | Duluth | MN | — | ◇ UNVERIFIED |
| SMShenandoah Machine Shop | Shenandoah | VA | — | ◇ UNVERIFIED |
| SSShenkle Steel LLC | Madison | VA | — | ◇ UNVERIFIED |
| SPSherman Products Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| SCSherm's Custom Plating | Sacramento | CA | — | ◇ UNVERIFIED |
| SRSherrill's Repower Solutions, INC | Long Beach | CA | — | ◇ UNVERIFIED |
| SMSherwood Manufacturing Corporation | Northport | MI | — | ◇ UNVERIFIED |
| SBShew Brothers INC. | Marion | IL | — | ◇ UNVERIFIED |
| STSheyenne Tooling & Mfg CO | Cooperstown | ND | — | ◇ UNVERIFIED |
| SRShields RE, LLC | Homosassa | FL | — | ◇ UNVERIFIED |
| SCShiloh Cody, LLC | Dayton | OH | — | ◇ UNVERIFIED |
| SSShiloh Services, INC. | Prospect | TN | — | ◇ UNVERIFIED |
| SMShiner Manufacturing INC. | Shiner | TX | — | ◇ UNVERIFIED |
| SBShollenbarger - Borella INC Dba Golden State Steel | Fowler | CA | — | ◇ UNVERIFIED |
| SFSho-Me Fabrication LLC | Springfield | MO | — | ◇ UNVERIFIED |
| SShopwerks | Braceville | IL | — | ◇ UNVERIFIED |
| SIShoreline Industries, INC. | Portsmouth | VA | — | ◇ UNVERIFIED |
| SBShouldice Bros Sheet Metal Mfg & Millwrights | Battle Creek | MI | — | ◇ UNVERIFIED |
| SMShow Me Welding and Fabrication, LLC | Curryville | MO | — | ◇ UNVERIFIED |
| SMShrewsbury Machine & Gear, INC. | Athens | WV | — | ◇ UNVERIFIED |
| SIShumaker Ind/northumberland Plt | Northumberland | PA | — | ◇ UNVERIFIED |
| SMShunn Machining LLC | Lowell | AR | — | ◇ UNVERIFIED |
| SHS & H Welding INC Dba S & H Metals | Sacramento | CA | — | ◇ UNVERIFIED |
| SASiag Aerisyn LLC | Chattanooga | TN | — | ◇ UNVERIFIED |
| SCSi Chem LLC | Marietta | GA | — | ◇ UNVERIFIED |
| SLSic Lazaro US INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| SISidco, INC (0575010226) | Sidney | OH | — | ◇ UNVERIFIED |
| SISidel, INC. | Norcross | GA | — | ◇ UNVERIFIED |
| SMSieckmann Metal Fab INC | Eagle Creek | OR | — | ◇ UNVERIFIED |
| SASiegel-robert Automotive- Bowling Green | Bowling Green | KY | — | ◇ UNVERIFIED |
| SRSiegel Robert Automotive Ripley South | Ripley | TN | — | ◇ UNVERIFIED |
| SRSiegel Robert Plating-siegel Robert Plating | Saint Louis | MO | — | ◇ UNVERIFIED |
| SESiemens Energy, INC | Geismar | LA | — | ◇ UNVERIFIED |
| SCSierra CIS, Inc. | Placerville | CA | — | ◇ UNVERIFIED |
| SISierra International Machinery LLC | Bakersfield | CA | — | ◇ UNVERIFIED |
| SPSierra Peaks | Lemon Grove | CA | — | ◇ UNVERIFIED |
| SSSierra Sandblasting LLC | Tacoma | WA | — | ◇ UNVERIFIED |
| STSierra Technologies | Tulsa | OK | — | ◇ UNVERIFIED |
| STSierra Torque Converters,dba Nasir Kassa | Ontario | CA | — | ◇ UNVERIFIED |
| SASifco Applied Surface Concepts | Houston | TX | — | ◇ UNVERIFIED |
| SFSigma Fasteners | Houston | TX | — | ◇ UNVERIFIED |
| SMSigma Mfg | Palmdale | CA | — | ◇ UNVERIFIED |
| SISigmamotor INC. | Middleport | NY | — | ◇ UNVERIFIED |
| SPSigma Plating CO INC | La Puente | CA | — | ◇ UNVERIFIED |
| SSSigma Steel Incorporated | Bedford | IN | — | ◇ UNVERIFIED |
| SPSignal Plating, INC. | Chattanooga | TN | — | ◇ UNVERIFIED |
| SCSignature Cnc LLC | Harrison Township | MI | — | ◇ UNVERIFIED |
| SPSignature Plating | Cibolo | TX | — | ◇ UNVERIFIED |
| SISigntech INC | San Diego | CA | — | ◇ UNVERIFIED |
| SMSihilling Metal Polishing | Santa Ana | CA | — | ◇ UNVERIFIED |
| SASilgan Aluminum Solutions | Waterbury | CT | — | ◇ UNVERIFIED |
| SCSilgan Containers Mfg CORP | Plover | WI | — | ◇ UNVERIFIED |
| SCSilgan Containers Mfg CORP | Oconomowoc | WI | — | ◇ UNVERIFIED |
| SWSilgan White Cap/hazleton Plt | Hazleton | PA | — | ◇ UNVERIFIED |
| SVSilicon Valley Electro-plating | Milpitas | CA | — | ◇ UNVERIFIED |
| SLSilva LLC | Lockport | NY | — | ◇ UNVERIFIED |
| SHSilver Horde Fishing Supplies, INC. | Mukilteo | WA | — | ◇ UNVERIFIED |
 Silver Ring Splint Company | Charlottesville | VA | — | ◇ UNVERIFIED |
| SLSimair, LTD | Bixby | OK | — | ◇ UNVERIFIED |
| SISimko Industrial Fabricators | Hammond | IN | — | ◇ UNVERIFIED |
| SPSimmons Plating & Grinding CO INC | Harahan | LA | — | ◇ UNVERIFIED |
| SCSimon CNC Machining, Inc. | North Hollywood | CA | — | ◇ UNVERIFIED |
| SISimonds INC | Southbridge | MA | — | ◇ UNVERIFIED |
| STSimple Tool Co, INC. | Gloucester | MA | — | ◇ UNVERIFIED |
| SCSimplex Construction Supplies | Blaine | MN | — | ◇ UNVERIFIED |
