| BGBullseye Glass CO. | Portland | 100–499 | ● ACTIVE |
| FAFront Ave | Portland | 20–99 | ● ACTIVE |
| OGOwens-brockway Glass Container INC. Plant 21 | Portland | 100–499 | ◐ LIKELY ACTIVE |
| KRKnife River Linnton | Portland | — | ◐ LIKELY ACTIVE |
| AGAsh Grove Cement Company | Portland | — | ◇ UNVERIFIED |
| PAPratt and Larson Tile | Portland | — | ◇ UNVERIFIED |
| ASAnn Sacks Tile & Stone INC | Portland | 100–499 | ◐ LIKELY ACTIVE |
| AGAsh Grove Cement Company | Portland | — | ◇ UNVERIFIED |
| CPCemex Portland Aggregates Plant | Portland | — | ◇ UNVERIFIED |
| CPCemex Port of Portland Readi Mix | Portland | — | ◇ UNVERIFIED |
| CPCentral Premix Concrete Products | Portland | — | ◇ UNVERIFIED |
| GNGlacier Northwest INC Front Ave Ready-mix Plant | Portland | — | ◇ UNVERIFIED |
| HPHanson Pipe and Precast Site | Portland | — | ◇ UNVERIFIED |
| BPBullseye Projects | Portland | 1–19 | ◐ LIKELY ACTIVE |
| OPOregon Portland 6040 North Cutter Circle | Portland | 1–19 | ◐ LIKELY ACTIVE |
| OPOregon Portland Criterion | Portland | 20–99 | ◐ LIKELY ACTIVE |
| POPS Oregon Portland 2801 NE Riverside Way | Portland | 1–19 | ◐ LIKELY ACTIVE |
| POPS Oregon Portland 4500 SE Criterion Court | Portland | 20–99 | ◐ LIKELY ACTIVE |
| RCResource Center Portland | Portland | 20–99 | ◐ LIKELY ACTIVE |
| ACAAA Concrete Pumping, LLC | Portland | — | ◇ UNVERIFIED |
| ACArchitectural Castings INC | Portland | — | ◇ UNVERIFIED |
| BCBasalite Concrete Products Site | Portland | — | ◇ UNVERIFIED |
| BCBedrock Commercial Concrete Cutting, LLC | Portland | — | ◇ UNVERIFIED |
| CFCascadian Fabrications INC | Portland | — | ◇ UNVERIFIED |
| CSConrad Stonecutting INC | Portland | — | ◇ UNVERIFIED |
| ESElaborated Stone Design LLC | Portland | — | ◇ UNVERIFIED |
| FDFourth Dimension Studios | Portland | — | ◇ UNVERIFIED |
| GNGlacier Northwest INC | Portland | — | ◇ UNVERIFIED |
| HPHm Pacific Northwest, INC. | Portland | — | ◇ UNVERIFIED |
| JNJentry Noah Boaz | Portland | — | ◇ UNVERIFIED |
| LCLehigh Cement CO | Portland | — | ◇ UNVERIFIED |
| MGMarble & Granite Remnants & Restoration LLC | Portland | — | ◇ UNVERIFIED |
| MSMudshark Studios LLC | Portland | — | ◇ UNVERIFIED |
| NPNewcastle Precast LLC | Portland | — | ◇ UNVERIFIED |
| NDNull Designs in Stone INC | Portland | — | ◇ UNVERIFIED |
| PSPacific Stone Installers LLC | Portland | — | ◇ UNVERIFIED |
| PMPortland Marble Works INC | Portland | — | ◇ UNVERIFIED |
| PCPrecision Colored Glass LLP | Portland | — | ◇ UNVERIFIED |
| PGPrecision Glassworks INC | Portland | — | ◇ UNVERIFIED |
| RIRoss Island Boise Concrete Plant | Portland | — | ◇ UNVERIFIED |
| RIRoss Island Hardtack Island Plant | Portland | — | ◇ UNVERIFIED |
| RIRoss Island Sand and Gravel Tait Facility | Portland | — | ◇ UNVERIFIED |
| RIRoss Island Sand & Gravel CO | Portland | — | ◇ UNVERIFIED |
| SISlowfire, Inc. | Portland | — | ◇ UNVERIFIED |
| SOSpirit of Glass INC | Portland | — | ◇ UNVERIFIED |
| SCStone Center INC | Portland | — | ◇ UNVERIFIED |
| SPSupreme Perlite Company | Portland | — | ◇ UNVERIFIED |
| TQTosoh Quartz INC | Portland | — | ◇ UNVERIFIED |
| UGUroboros Glass Studios | Portland | — | ◇ UNVERIFIED |
| VSVitrified Studio LLC | Portland | — | ◇ UNVERIFIED |