Cortex Composites INC.
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersSan Rafael, CA
SAM.gov UEIGNJ2VLJWT123
Cortex 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
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Cortex Composites INC. | San Rafael | CA | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


