Cortex Composites INC.
100 Smith Ranch Rd, Ste 108, San Rafael, CA 94903
Operating signal within 12 months from two or more independent sources.
What they make
Other Concrete Product Manufacturing327390Cortex Composites manufactures a geosynthetic cementitious composite mat delivered in rolls that is water-activated and hardens in place. The material is 0.5 inches thick, supplied in 8-foot-wide rolls, and achieves a compressive strength of 7,000 PSI after hardening. The company serves water management applications including ditches, canals, shoreline management, irrigation, pond lining, erosion control on embankment walls, berms and slopes, and roads.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Vulcan Materials CO Dba Shamrock Materials | San Rafael | Ready-Mix Concrete Manufacturing 327320 | UNVERIFIED | 6.2 KM |
| L P Mcnear Brick CO INC | San Rafael | Concrete Block and Brick Manufacturing 327331 | UNVERIFIED | 6.1 KM |
| Rich Readimix Concrete INC | Greenbrae | Ready-Mix Concrete Manufacturing 327320 | UNVERIFIED | 9.1 KM |
| W R Forde Associates | Richmond | Wood Preservation 321114 | UNVERIFIED | 16.9 KM |
| Central Concrete Pinole Plant | Pinole | Ready-Mix Concrete Manufacturing 327320 | UNVERIFIED | 19.8 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 | JAN 2026 | JAN 2026 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | JAN 2026 |
| CAGE CODE | SAM GOV | JAN 2026 |
| CITY | SAM GOV | JAN 2026 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | JAN 2026 |
| REGISTRATION EXPIRATION | SAM GOV | JAN 2026 |
| STATE | SAM GOV | JAN 2026 |
| WEBSITE | SAM GOV | JAN 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


