| FACILITY | CITY | STATE | INDUSTRY | EMPLOYEES | STATUS |
|---|---|---|---|---|---|
| San Bernardino Plant 12 | San Bernardino | CA | 327320 | 1-19 | LIKELY ACTIVE |
| Holliday Rock San Bernardino 29 | San Bernardino | CA | 327320 | — | UNVERIFIED |
| Holliday Rock - San Bernardino Facility | San Bernardino | CA | 327320 | — | UNVERIFIED |
| Isolatek International INC | San Bernardino | CA | 327992 | — | UNVERIFIED |
| Magnum Abrasives INC | San Bernardino | CA | 325998 | — | UNVERIFIED |
| Robertson's Ready Mix San Bernardino Plant 12 | San Bernardino | CA | 327320 | — | UNVERIFIED |
| Isolatek International- SBCA | San Bernardino | CA | 327992 | 1-19 | LIKELY ACTIVE |
| Arrowhead Capital Investments, LLC | San Bernardino | CA | 327991 | — | UNVERIFIED |
| Fourth Street Rock Crusher | San Bernardino | CA | 327992 | — | UNVERIFIED |
| Monierlifetile LLC | San Bernardino | CA | 327390 | — | UNVERIFIED |
| Rancho Block Company | San Bernardino | CA | 327331 | — | UNVERIFIED |
| Robertson's Ready Mix | San Bernardino | CA | 327320 | — | UNVERIFIED |
| San Bernardino County | San Bernardino | CA | 327999 | — | UNVERIFIED |
