| SCSev - Cal Tool INC. | Santa Ana | CA | — | ◇ UNVERIFIED |
| SGSeveneight Group, LLC | Miami | FL | — | ◇ UNVERIFIED |
| SGShannon Group, Kolpack Div | Bethel Springs | TN | — | ◇ UNVERIFIED |
| STSharing Three, INC. | Hialeah | FL | — | ◇ UNVERIFIED |
| SRSharpe Refrigeration, INC. | San Diego | CA | — | ◇ UNVERIFIED |
| SMSheet Metal Specialists | Riverside | CA | — | ◇ UNVERIFIED |
| SIShelby INC. Dba Edm Labs LTD | Fremont | CA | — | ◇ UNVERIFIED |
| SMSherer Manufacturing, INC. | Clearwater | FL | — | ◇ UNVERIFIED |
| STShoals Tubular Products, INC. | Florence | AL | — | ◇ UNVERIFIED |
| SMShockwave Medical INC | Santa Clara | CA | — | ◇ UNVERIFIED |
| SMSiemens Medical Solutions,usa, | Concord | CA | — | ◇ UNVERIFIED |
| SLSienna Labs Dba Sienna Labs INC | San Diego | CA | — | ◇ UNVERIFIED |
| SMSigma Manufacturing INC. | Marietta | GA | — | ◇ UNVERIFIED |
| SMSigma Mfg | Palmdale | CA | — | ◇ UNVERIFIED |
| SDSignal Division Lukens Genera | La Mirada | CA | — | ◇ UNVERIFIED |
| SCSimon CNC Machining, Inc. | North Hollywood | CA | — | ◇ UNVERIFIED |
| STSimplex Tool & Mold | Sarasota | FL | — | ◇ UNVERIFIED |
| SJS & J Sheet Metal Supply, INC. | Bronx | NY | — | ◇ UNVERIFIED |
| SISkol Investments, LLC | North Salt Lake | UT | — | ◇ UNVERIFIED |
| SMSlp Machining | San Jose | CA | — | ◇ UNVERIFIED |
| SMS & M Aire, LLC | El Paso | TX | — | ◇ UNVERIFIED |
| SSSmeal Sfa LLC | Snyder | NE | — | ◇ UNVERIFIED |
| SDSmiths Detection | Inglewood | CA | — | ◇ UNVERIFIED |
| SDSmiths Detection | San Diego | CA | — | ◇ UNVERIFIED |
| SDSmiths Detection | San Francisco | CA | — | ◇ UNVERIFIED |
| SDSmiths Detection INC | Newark | CA | — | ◇ UNVERIFIED |
| SDSmiths Detection INC. | San Francisco | CA | — | ◇ UNVERIFIED |
| SDSmiths Detection, INC. | Tamuning | GU | — | ◇ UNVERIFIED |
| SDSmiths Detection, INC - Sfo Airport | San Francisco | CA | — | ◇ UNVERIFIED |
| SDSmiths Detection - Indianapolis International Airport | Indianapolis | IN | — | ◇ UNVERIFIED |
| SESnap-on Equipment, INC. - Snap-on Equipment | Conway | AR | — | ◇ UNVERIFIED |
| SISnap-tite INC / Nat'l Fire Ho | Compton | CA | — | ◇ UNVERIFIED |
 Snow Machines Inc-midland | Midland | MI | — | ◇ UNVERIFIED |
| SGSnyder General CORP | Hutchins | TX | — | ◇ UNVERIFIED |
| SSSoftrol Systems, INC | Acworth | GA | — | ◇ UNVERIFIED |
| SSSolid Solutions Manufacturing INC | Huntington Beach | CA | — | ◇ UNVERIFIED |
| SASomec, a Divison of Snk America, INC. | Sanford | FL | — | ◇ UNVERIFIED |
| SISonora Industries | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| SHSOSD Holdings, LLC | Kentwood | MI | — | ◇ UNVERIFIED |
| SPSource Production & Equipment Co | Saint Rose | LA | — | ◇ UNVERIFIED |
 South Central Manufacturing Corporation | Summersville | MO | — | ◇ UNVERIFIED |
| SCSouth County Air Services INC. | Irvine | CA | — | ◇ UNVERIFIED |
| SMSoutheastern Manufacturing Enterprise, INC. | Franklin | TN | — | ◇ UNVERIFIED |
| SWSoutheastern Wholesale CORP. | Sarasota | FL | — | ◇ UNVERIFIED |
| SCSouthern Comfort Heating & Air Conditioning, INC. | Dahlonega | GA | — | ◇ UNVERIFIED |
| SRSouthern Roller INC. | Carrollton | GA | — | ◇ UNVERIFIED |
| SSSouthern Store Fixtures INC | Bessemer | AL | — | ◇ UNVERIFIED |
| SRSouthtown Refrigeration | Brooklyn Park | MN | — | ◇ UNVERIFIED |
| SMSouthwest Montana Machine Works LLC | Butte | MT | — | ◇ UNVERIFIED |
| SMSparton Metal Services | Garden Grove | CA | — | ◇ UNVERIFIED |
