| LILakeside Industries INC | Portland | OR | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| LQLa Quinta Plant | Portland | TX | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| LPLinnton Plywood Site | Portland | OR | Wood Product Manufacturing321212 | — | ◇ UNVERIFIED |
| LMLma Mcloughlin Annex | Portland | OR | Primary Metal Manufacturing331528 | — | ◇ UNVERIFIED |
| LMLouis Mack INC | Portland | ME | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| MHMegquier Hill Farms | Portland | ME | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| MFMiles Fiberglass and Plastics Site | Portland | OR | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| MMMillbank Materials USA | Portland | OR | Primary Metal Manufacturing331319 | — | ◇ UNVERIFIED |
| MHMount Hood Chemical Corporation | Portland | OR | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| MPMulti-craft Plastics | Portland | OR | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| NTNasg Tennessee North 2 | Portland | TN | Transportation Equipment Manufacturing336370 | — | ◇ UNVERIFIED |
| OSOff Site Storage | Portland | OR | Primary Metal Manufacturing331528 | — | ◇ UNVERIFIED |
| OBOlhausen Billards Manufacturing, INC. | Portland | TN | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| OOpti-craft | Portland | OR | Machinery Manufacturing333314 | — | ◇ UNVERIFIED |
| OPOregon Plating Co., INC. | Portland | OR | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| OCOwens Corning Foam Insulation Gresham | Portland | OR | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| PLPacific Light Technologies | Portland | OR | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PPPacific Power Vac LLC | Portland | OR | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| PPPatriot Paint, LLC | Portland | IN | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
 Pcc Structurals INC. Lsbs | Portland | OR | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| Pcc Structurals, Inc.-machine Shop | Portland | OR | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| PMPeerless Manufacturing Site | Portland | OR | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| PVPella Vinyl Portland Operations | Portland | OR | Chemical Manufacturing325131 | — | ◇ UNVERIFIED |
| PCPennville Custom Cabinet | Portland | IN | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| PCPepsi Cola Bottling | Portland | OR | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| PPPierce Pacific Manufacturing | Portland | OR | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| PIPike Industries INC - Portland | Portland | ME | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PWPorter W Yett Company | Portland | OR | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PIPortland International Airport | Portland | OR | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| PWPortland Willamette | Portland | OR | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| PEPremier Edible Oils Site | Portland | OR | Food Manufacturing311220 | — | ◇ UNVERIFIED |
| PSPrintwork South L P | Portland | TN | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| PSProvidence Saint Vincent Medical Center | Portland | OR | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| PCPurdy Corporation | Portland | OR | Miscellaneous Manufacturing339994 | — | ◇ UNVERIFIED |
| QQuad | Portland | OR | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| RIRedmond Industries | Portland | OR | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| RPRhone-poulenc Portland Site | Portland | OR | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| RRoadmaster | Portland | OR | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| RDRr Donnelley Site | Portland | OR | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| SSSchnitzer Steel Industries - North Burgard Facility | Portland | OR | Food Manufacturing311222 | — | ◇ UNVERIFIED |
| SISimonds International | Portland | OR | Fabricated Metal Product Manufacturing332211 | — | ◇ UNVERIFIED |
| SSSolopower Systems | Portland | OR | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| SPSsw Premier, LLC | Portland | TN | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SPSulzer Pumps | Portland | OR | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SSSupreme Steel Portland | Portland | OR | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| TCTek Chemical Site | Portland | OR | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| TSTennessee Stampings Portland | Portland | TN | Transportation Equipment Manufacturing336370 | — | ◇ UNVERIFIED |
| TIThe Initiative for Digital Engineering and Life Sciences | Portland | ME | Food Manufacturing311422 | — | ◇ UNVERIFIED |
| TBThomas & Betts CORP | Portland | TN | Electrical Equipment, Appliance & Component Manufacturing335313 | — | ◇ UNVERIFIED |
| TCTilcon Connecticut - Portland Plant | Portland | CT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
