| KKKd Kustom Fab CO. | Boring | — | ◇ UNVERIFIED |
| KCKeith Consolidated Industries INC | White City | — | ◇ UNVERIFIED |
| KWKellogg Welding INC | Hood River | — | ◇ UNVERIFIED |
| KJKenneth J Lee | Eugene | — | ◇ UNVERIFIED |
| KRKenneth R Roath | Portland | — | ◇ UNVERIFIED |
| KBKervin Brothers Ornamental Iron INC | Portland | — | ◇ UNVERIFIED |
| KPKevin Packard | Central Point | — | ◇ UNVERIFIED |
| KCKinetics Climax INC | Wilsonville | — | ◇ UNVERIFIED |
| KPKing Precision Machine INC | Lebanon | — | ◇ UNVERIFIED |
| KIKiwifab INC | Eugene | — | ◇ UNVERIFIED |
| KIKiwifab INC | Eugene | — | ◇ UNVERIFIED |
| KIKlamath Iron Works Site | Klamath Falls | — | ◇ UNVERIFIED |
| KCKni CO Manufacturing INC | Wallowa | — | ◇ UNVERIFIED |
| KCKo Custom Fab Incorporated | Boring | — | ◇ UNVERIFIED |
| KHKomico Hillsboro LLC | Hillsboro | — | ◇ UNVERIFIED |
| LDLarry D Brown | Salem | — | ◇ UNVERIFIED |
 Laser Cutting Services INC | Tualatin | — | ◇ UNVERIFIED |
| LMLaser Marking Services INC | Mulino | — | ◇ UNVERIFIED |
| LLLaura L Hagenauer | Hubbard | — | ◇ UNVERIFIED |
| LSLaura Sol | Portland | — | ◇ UNVERIFIED |
| LRLee R Kelly | Oregon City | — | ◇ UNVERIFIED |
| LALeonard a Dillon | Keizer | — | ◇ UNVERIFIED |
| LMLfr Machining INC | Hillsboro | — | ◇ UNVERIFIED |
| LMLiberty Metal Fabricators INC | Portland | — | ◇ UNVERIFIED |
| LTLife Time Gate | Tualatin | — | ◇ UNVERIFIED |
| LMLighting Machine Works Incorporated | Hillsboro | — | ◇ UNVERIFIED |
| LLLinn Lumber Incorporated | Lebanon | — | ◇ UNVERIFIED |
| LCLivengood Custom Metal Fab, LLC | Gresham | — | ◇ UNVERIFIED |
| LOL&L Ornamental | Albany | — | ◇ UNVERIFIED |
| LML & M Welding INC | Tangent | — | ◇ UNVERIFIED |
| LULoch Unlimited, Inc. | Bend | — | ◇ UNVERIFIED |
| LMLs Manufacturing INC | Portland | — | ◇ UNVERIFIED |
| LMLuke Mckenzie | Clackamas | — | ◇ UNVERIFIED |
| LSLundeen Steel Fabrication INC | Sandy | — | ◇ UNVERIFIED |
| MAMacadam Aluminum & Bronze CO | Portland | — | ◇ UNVERIFIED |
| MDMagalee Designs, LLC | Eugene | — | ◇ UNVERIFIED |
| MSMagnetic Specialties INC | Clackamas | — | ◇ UNVERIFIED |
| MSMain St. Machine & Repair LLC | Saint Paul | — | ◇ UNVERIFIED |
| MIMarco Industries INC | Portland | — | ◇ UNVERIFIED |
| MMMarks Metal Technology INC | Clackamas | — | ◇ UNVERIFIED |
| MMMartin Metal Fabricators INC | Salem | — | ◇ UNVERIFIED |
| MHMascotte Home Security Products INC | Portland | — | ◇ UNVERIFIED |
| MRMaterial Resources INC | Forest Grove | — | ◇ UNVERIFIED |
| MMMax Manufacturing INC | Bend | — | ◇ UNVERIFIED |
| MMMccabe Metal Products INC | Salem | — | ◇ UNVERIFIED |
| MIMcclister INC | Tualatin | — | ◇ UNVERIFIED |
| MHMckee Holdings LLC | Sandy | — | ◇ UNVERIFIED |
| MAMechanical Assemblers INC | Hood River | — | ◇ UNVERIFIED |
| MMMeeks Metal Works INC | Portland | — | ◇ UNVERIFIED |
| MMMeiers Modern Metals, LLC | Portland | — | ◇ UNVERIFIED |
