| SMSoutheastern Manufacturing Enterprise, INC. | Franklin | TN | — | ◇ UNVERIFIED |
| SRSouthern Roller INC. | Carrollton | GA | — | ◇ UNVERIFIED |
| SMSouthwest Montana Machine Works LLC | Butte | MT | — | ◇ UNVERIFIED |
| SPSouthwest Products CO | Irwindale | CA | — | ◇ UNVERIFIED |
| SMSparton Metal Services | Garden Grove | CA | — | ◇ UNVERIFIED |
| STSpecial Tools,Inc. | Saint Francis | MN | — | ◇ UNVERIFIED |
| SMSpectrum Metal Services INC. | Midlothian | VA | — | ◇ UNVERIFIED |
| SRS & R Precision Company | Fremont | CA | — | ◇ UNVERIFIED |
| SIStar Iron Works, LLC | North Hollywood | CA | — | ◇ UNVERIFIED |
| SWStatewide Woodfinishing INC | North Hollywood | CA | — | ◇ UNVERIFIED |
| SEStellar Energy Americas, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| STStep Tools Unlimited INC Dba Destiny Tool | Morgan Hill | CA | — | ◇ UNVERIFIED |
 Sterilis Solutions Model S220 | — | IL | — | ◇ UNVERIFIED |
| SSteverosten | Redding | CA | — | ◇ UNVERIFIED |
| SMStone Machine Company LLC | Fort Loudon | PA | — | ◇ UNVERIFIED |
| SCStoner CNC, LLC | Archbold | OH | — | ◇ UNVERIFIED |
| SDStratasys Direct Manufacturing | Valencia | CA | — | ◇ UNVERIFIED |
| SStratmet | Milpitas | CA | — | ◇ UNVERIFIED |
| SMSummit Machine Inc. | Saint Paul | MN | — | ◇ UNVERIFIED |
| SASundstrand Aerospace CORP | Brea | CA | — | ◇ UNVERIFIED |
| SASunnen Abrasives | Saint Louis | MO | — | ◇ UNVERIFIED |
| SCSunsoft Corporation | Albuquerque | NM | — | ◇ UNVERIFIED |
| SDSuperior Dry Cleaners | Modesto | CA | — | ◇ UNVERIFIED |
| SDSuspension Development Group | El Cajon | CA | — | ◇ UNVERIFIED |
| SPSutherland Presses | La Mirada | CA | — | ◇ UNVERIFIED |
| SMSwafford-Kientzy Machine & Fabrication, Inc | Troy | MO | — | ◇ UNVERIFIED |
| SMSwagelok Manufacturing CO LLC | Solon | OH | — | ◇ UNVERIFIED |
| SSSwenson Steel Products Company INC Dba Swenson Shear | Atwater | CA | — | ◇ UNVERIFIED |
| SLSymmetry LLC Dba Symmetry Laser | Davis | CA | — | ◇ UNVERIFIED |
| TCTapmatic CORP | Irvine | CA | — | ◇ UNVERIFIED |
| TGTaylor Group Inc, Ackerman | Ackerman | MS | — | ◇ UNVERIFIED |
| TLTcsp LLC | San Jose | CA | — | ◇ UNVERIFIED |
| TDT D Manufacturing INC. | Garden Grove | CA | — | ◇ UNVERIFIED |
| TMTechpro Manufacturing INC | Salinas | CA | — | ◇ UNVERIFIED |
| TMTechpro Manufacturing INC | Salinas | CA | — | ◇ UNVERIFIED |
| TFTeledyne Flir | Niceville | FL | — | ◇ UNVERIFIED |
| TMTello Metal Polish | Colton | CA | — | ◇ UNVERIFIED |
| TCTennant CO - Golden Valley | Golden Valley | MN | — | ◇ UNVERIFIED |
| TCTennant CO - Plant Ii | Maple Grove | MN | — | ◇ UNVERIFIED |
 Tennant Sales and Service Company | Golden Valley | MN | — | ◇ UNVERIFIED |
| TETest-head Engineering | Rogers | MN | — | ◇ UNVERIFIED |
| TIThe Irvine Company Retail Properties | Newport Beach | CA | — | ◇ UNVERIFIED |
| TSThermco Systems CORP | Orange | CA | — | ◇ UNVERIFIED |
| TFThermo Fisher Scientific | San Jose | CA | — | ◇ UNVERIFIED |
| TSThe Stero Company | Petaluma | CA | — | ◇ UNVERIFIED |
| TWThe Western States Machine Company | Fairfield | OH | — | ◇ UNVERIFIED |
| TBThomas & Betts CORP. Dba Jennings Technology INC. | San Jose | CA | — | ◇ UNVERIFIED |
| THTiger Heart Metal Works LLC | Dallas | TX | — | ◇ UNVERIFIED |
 Tiger Precision Machining | Manteca | CA | — | ◇ UNVERIFIED |
| TPTioga Pipe Supply CO. INC | Philadelphia | PA | — | ◇ UNVERIFIED |
