| SCSharon Coating | Sharon | PA | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| SAShaw Alloy Piping Products INC | Shreveport | LA | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
| SCShepherd Chemical CO (1431370150) | Norwood | OH | Chemical Manufacturing325180 | 100-499 | ◐ LIKELY ACTIVE |
| SSSicpa Securink Corporation | Springfield | VA | Chemical Manufacturing325910 | 100-499 | ◐ LIKELY ACTIVE |
Sierra Pacific Industries Quincy Div | Quincy | CA | Wood Product Manufacturing321113 | 100-499 | ◐ LIKELY ACTIVE |
| SLSignicast LLC - Brown Deer | Milwaukee | WI | Primary Metal Manufacturing331510 | 100-499 | ◐ LIKELY ACTIVE |
| SCSilgan Containers Manufacturing CORP | Edison | NJ | Fabricated Metal Product Manufacturing332431 | 100-499 | ◐ LIKELY ACTIVE |
| SOSinclair Oil CORP. - Casper, Wyoming Refinery | Casper | WY | Petroleum and Coal Products Manufacturing324110 | 100-499 | ◐ LIKELY ACTIVE |
| SLSivance, LLC | Gainesville | FL | Chemical Manufacturing325110 | 100-499 | ◐ LIKELY ACTIVE |
| SJS J Electro Systems INC | Detroit Lakes | MN | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| SASkana Aluminum Company | Manitowoc | WI | Primary Metal Manufacturing331314 | 100-499 | ◐ LIKELY ACTIVE |
| SSSkyworks Solutions INC | Woburn | MA | Computer and Electronic Product Manufacturing334411 | 100-499 | ◐ LIKELY ACTIVE |
| SLSnak-king LLC | Freeport | IL | Food Manufacturing311919 | 100-499 | ◐ LIKELY ACTIVE |
| SPSnap-on Power Tools INC. | Murphy | NC | Fabricated Metal Product Manufacturing332212 | 100-499 | ◐ LIKELY ACTIVE |
| SMSonoco Metal Packaging LLC | Milwaukee | WI | Fabricated Metal Product Manufacturing332430 | 100-499 | ◐ LIKELY ACTIVE |
| SMSonoco Metal Packaging, LLC - Warner Road (1576051610) | Canton | OH | Fabricated Metal Product Manufacturing332431 | 100-499 | ◐ LIKELY ACTIVE |
| SLSorrento Lactalis, INC. | Buffalo | NY | Food Manufacturing311513 | 100-499 | ◐ LIKELY ACTIVE |
| SCSoutheast Cooler | Lithia Springs | GA | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| SCSouthwire Company - Villa Rica Plant | Villa Rica | GA | Electrical Equipment, Appliance & Component Manufacturing335929 | 100-499 | ◐ LIKELY ACTIVE |
| SDSouthwire Douglas Plant | Douglas | GA | Primary Metal Manufacturing331420 | 100-499 | ◐ LIKELY ACTIVE |
| STSpanish Trail Lumber Company LLC | Marianna | FL | Wood Product Manufacturing321113 | 100-499 | ◐ LIKELY ACTIVE |
| SLSpartan Light Metal Products, L.l.c. | Mexico | MO | Primary Metal Manufacturing331523 | 100-499 | ◐ LIKELY ACTIVE |
| STSpecialty Tires of America | Unicoi | TN | Plastics and Rubber Products Manufacturing326211 | 100-499 | ◐ LIKELY ACTIVE |
| SMSse Mfg INC Pasadena Plant | Pasadena | TX | Food Manufacturing311412 | 100-499 | ◐ LIKELY ACTIVE |
| SFStainless Fabrication, INC. | Springfield | MO | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
| SMStandard Motor Products | Greenville | SC | Machinery Manufacturing333911 | 100-499 | ◐ LIKELY ACTIVE |
| SASteel Art Co., INC. | Norwood | MA | Miscellaneous Manufacturing339950 | 100-499 | ◐ LIKELY ACTIVE |
| SCSteel Craft CORP | Hartford | WI | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| SSteelscape | Rancho Cucamonga | CA | Fabricated Metal Product Manufacturing332812 | 100-499 | ◐ LIKELY ACTIVE |
| SLStimson Lumber Company Tillamook | Tillamook | OR | Wood Product Manufacturing321113 | 100-499 | ◐ LIKELY ACTIVE |
| SBStingray Boats | Hartsville | SC | Transportation Equipment Manufacturing336612 | 100-499 | ◐ LIKELY ACTIVE |
| SMS&t Manufacturing | Tulsa | OK | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| STStoughton Trailers, LLC - Plants 5&6 | Stoughton | WI | Transportation Equipment Manufacturing336210 | 100-499 | ◐ LIKELY ACTIVE |
| SPSt Prod LLC Dba Wieland Small Tube Prod/altoona | Duncansville | PA | Primary Metal Manufacturing331318 | 100-499 | ◐ LIKELY ACTIVE |
| SLStryten Lampeter LLC | Lancaster | PA | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| STSt Tissue LLC | Franklin | VA | Paper Manufacturing322120 | 100-499 | ◐ LIKELY ACTIVE |
| SRSturm Ruger & CO INC Prescott Fndy | Prescott | AZ | Fabricated Metal Product Manufacturing332994 | 100-499 | ◐ LIKELY ACTIVE |
| SESumitomo Electric Wiring Systems INC | Edmonton | KY | Computer and Electronic Product Manufacturing334220 | 100-499 | ◐ LIKELY ACTIVE |
Sun Chemical | Newport | DE | Chemical Manufacturing325130 | 100-499 | ◐ LIKELY ACTIVE |
Sun Chemical CORP | Muskegon | MI | Chemical Manufacturing325130 | 100-499 | ◐ LIKELY ACTIVE |
| SCSundyne CORP | Arvada | CO | Machinery Manufacturing333911 | 100-499 | ◐ LIKELY ACTIVE |
| SWSunrise Windows | Temperance | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| SESunstar Engineering of Americas INC | Springboro | OH | Chemical Manufacturing325520 | 100-499 | ◐ LIKELY ACTIVE |
| SESuperior Essex International | Brownwood | TX | Primary Metal Manufacturing331420 | 100-499 | ◐ LIKELY ACTIVE |
| SESuperior Essex International INC. | Hoisington | KS | Primary Metal Manufacturing331420 | 100-499 | ◐ LIKELY ACTIVE |
| SLSvo, LLC Dba Kings Mountain Operations | Grover | NC | Transportation Equipment Manufacturing336211 | 100-499 | ◐ LIKELY ACTIVE |
| SISwd INC | Addison | IL | Fabricated Metal Product Manufacturing332812 | 100-499 | ◐ LIKELY ACTIVE |
| SSSwenson Spreader CO | Lindenwood | IL | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| SLSwift Lumber INC | Atmore | AL | Wood Product Manufacturing321113 | 100-499 | ◐ LIKELY ACTIVE |
| TWTailor Welded Blanks | Monroe | MI | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |