| SHSt Helens Wwtp | Saint Helens | OR | Paper Manufacturing322110 | — | ◇ UNVERIFIED |
| SPSulzer Pumps | Portland | OR | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SUSumco USA North Campus Site | Salem | OR | Chemical Manufacturing325131 | — | ◇ UNVERIFIED |
| SUSumco USA South Campus Site | Salem | OR | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| SMSundial Marine Construction & Repair | Troutdale | OR | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| SESunrise Enterprises Wood Products | Roseburg | OR | Wood Product Manufacturing321212 | — | ◇ UNVERIFIED |
| SMSuperior Metal Finishing Site | Tualatin | OR | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SSSupreme Steel Portland | Portland | OR | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| SPSure Power Industries | Tualatin | OR | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| SISurgichrome INC | Clackamas | OR | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SBSwanson Bros. Lumber CO. | Noti | OR | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SCSwire Coca-cola USA | Wilsonville | OR | Beverage and Tobacco Product Manufacturing312110 | — | ◇ UNVERIFIED |
| SSwisher | Bend | OR | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| SPSysco Portland | Wilsonville | OR | Textile Mills313311 | — | ◇ UNVERIFIED |
| TATci America | Portland | OR | Food Manufacturing311942 | — | ◇ UNVERIFIED |
| TITechnical Industrial Sales | Oregon City | OR | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| TCTe Connectivity Medical Division | Wilsonville | OR | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| TCTek Chemical Site | Portland | OR | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| TUTel US Holdings, Ste 8 | Hillsboro | OR | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| TTemco | Clackamas | OR | Transportation Equipment Manufacturing336000 | — | ◇ UNVERIFIED |
| TCThe Cove Phase 1 | Oregon City | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TFThermo Fisher Scientific | Bend | OR | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| TFThermo Fluids INC. White City | White City | OR | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| TSThe Stanley Works | Milwaukie | OR | Fabricated Metal Product Manufacturing332000 | — | ◇ UNVERIFIED |
| TTThompson Timber Company | Philomath | OR | Wood Product Manufacturing321219 | — | ◇ UNVERIFIED |
| TFTownsend Farms | Fairview | OR | Food Manufacturing311411 | — | ◇ UNVERIFIED |
| TMTrain Mountain Railroad Museum | Chiloquin | OR | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
| TTTree Top | Medford | OR | Food Manufacturing311411 | — | ◇ UNVERIFIED |
| TSTrelleborg Sealing Solutions Site | Eugene | OR | Plastics and Rubber Products Manufacturing326130 | — | ◇ UNVERIFIED |
| TBTruitt Bros | Salem | OR | Food Manufacturing311421 | — | ◇ UNVERIFIED |
| TDTvt Die Casting and Manufacturing | Portland | OR | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| USUlbrich Solar Technologies Oregon LLC - Suite 40 | Hillsboro | OR | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| URUltimate Rb | Mcminnville | OR | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| URUmatilla Ready Mix Hermiston Plant | Hermiston | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ULUmpqua Lumber Company | Myrtle Creek | OR | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| URUniversal Recycling Technologies | Clackamas | OR | Electrical Equipment, Appliance & Component Manufacturing335110 | — | ◇ UNVERIFIED |
| UOUniversity of Portland | Portland | OR | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| UAUS Army Coe - Portland Moorings | Portland | OR | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| UTUsdol Tongue Point Job Corps Center | Astoria | OR | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| USU S Forest Industries INC | White City | OR | Wood Product Manufacturing321211 | — | ◇ UNVERIFIED |
| VAValley Agronomics | Mount Angel | OR | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| VBValley Bronze of Oregon | Joseph | OR | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| VMVanport Manufacturing, INC. | Boring | OR | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
 Veneer Technologies Stayton | Stayton | OR | Wood Product Manufacturing321213 | — | ◇ UNVERIFIED |
| VIVeris Industries | Tualatin | OR | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| VHVishay Hirel Systems | Hillsboro | OR | Computer and Electronic Product Manufacturing334416 | — | ◇ UNVERIFIED |
| WCWah Chang Research Center | Albany | OR | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| WEWalker Emulsions | Portland | OR | Food Manufacturing311942 | — | ◇ UNVERIFIED |
| WSWarm Springs Forest Products | Warm Springs | OR | Wood Product Manufacturing321000 | — | ◇ UNVERIFIED |
| WIWarn Industries Capps Road Facility | Clackamas | OR | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
