| RWRoot Wise Farms LLC | Siletz | OR | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| SGSergey G Bocharov | Salem | OR | Machinery Manufacturing333412 | — | ◇ UNVERIFIED |
| STServ Tech INC | Eugene | OR | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| SSShamrock Steel Fabricators INC | Eugene | OR | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| SSSig Sauer INC Electro-optics | Wilsonville | OR | Machinery Manufacturing333314 | — | ◇ UNVERIFIED |
| SPSimple Pulse LLC | Monroe | OR | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| SISmetco INC | Aurora | OR | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| SBSmitty Bilt Industrial Fans | Eugene | OR | Machinery Manufacturing333412 | — | ◇ UNVERIFIED |
| SISpar-tek Industries INC | Portland | OR | Machinery Manufacturing333210 | — | ◇ UNVERIFIED |
| SGStandard Gear Manufacturing INC | Milwaukie | OR | Machinery Manufacturing333612 | — | ◇ UNVERIFIED |
| SIStentech INC | North Plains | OR | Machinery Manufacturing333298 | — | ◇ UNVERIFIED |
| SNSTI Newco, LLC | Portland | OR | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| SFStrategic Finishing INC | Tualatin | OR | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| SSSubzero Scientific LLC | Gresham | OR | Machinery Manufacturing333996 | — | ◇ UNVERIFIED |
| SMSun Mountain Stove Works INC. | Creswell | OR | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| SASustainable Agricultural Technologies INC | Cottage Grove | OR | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| TCTann Corporation | Harrisburg | OR | Machinery Manufacturing333994 | — | ◇ UNVERIFIED |
| TPTaylormade Products INC | Scappoose | OR | Machinery Manufacturing333210 | — | ◇ UNVERIFIED |
| TITekfab INC | Albany | OR | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| TGThe Glass Hive LLC | Newport | OR | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| TTTherm Tec INC | Sherwood | OR | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| TWThe Willamette Valley Company | Medford | OR | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| TTTop Tier INC | Clackamas | OR | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| TTTtc-the Trading Company INC | Woodburn | OR | Machinery Manufacturing333993 | — | ◇ UNVERIFIED |
 Vacuum Technique LLC | Clackamas | OR | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| WIWadeco INC | Tualatin | OR | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| WSWendell Sperling | Independence | OR | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| WFWestern Forage Equipment INC | Salem | OR | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
