Operating signal within 12 months from two or more independent sources.
What they make
Mineral Wool Manufacturing327993Johns Manville manufactures insulation systems, commercial roofing products, and engineered products. The company produces insulation materials including fiberglass, mineral wool, calcium silicate, polyisocyanurate, and extruded polystyrene, along with related components such as metal jacketing, PVC jacketing, and vapor retarders. It also makes commercial roofing membranes and systems including TPO, PVC, EPDM, SBS, APP, BUR, and liquid applied roofing products. The company serves residential building, commercial building, metal building, mechanical piping, aerospace, appliance, HVAC equipment, office interiors, transportation, and industrial markets.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Quarry Partners, LLC | Denver | Cut Stone and Stone Product Manufacturing 327991 | UNVERIFIED | 1.8 KM |
| Stone Crafters, INC. Dba Victor Marble | Denver | Cut Stone and Stone Product Manufacturing 327991 | UNVERIFIED | 2.7 KM |
| General Air Service & Supply CO. | Denver | Industrial Gas Manufacturing 325120 | LIKELY ACTIVE | 2.5 KM |
| Custom Edge Marble & Granite LLC | Denver | Cut Stone and Stone Product Manufacturing 327991 | UNVERIFIED | 2.7 KM |
| Freeway Marble & Granite | Denver | Cut Stone and Stone Product Manufacturing 327991 | UNVERIFIED | 3.3 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 8 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | FEB 2026 | FEB 2026 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | FEB 2026 |
| CAGE CODE | SAM GOV | FEB 2026 |
| CITY | SAM GOV | FEB 2026 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | FEB 2026 |
| REGISTRATION EXPIRATION | SAM GOV | FEB 2026 |
| STATE | SAM GOV | FEB 2026 |
| WEBSITE | SAM GOV | FEB 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


