| FACILITY | CITY | STATE | INDUSTRY | EMPLOYEES | STATUS |
|---|---|---|---|---|---|
| Supreme Perlite Company | Portland | OR | 327992 | — | UNVERIFIED |
| Tosoh Quartz INC | Portland | OR | 327212 | — | UNVERIFIED |
| Uroboros Glass Studios | Portland | OR | 327212 | — | UNVERIFIED |
| Vitrified Studio LLC | Portland | OR | 327110 | — | UNVERIFIED |
| Western Abrasives INC | Portland | OR | 327910 | — | UNVERIFIED |
