Castle Industries of California, Inc.
The Gill Corporation is a leading manufacturer of high performance composite products for the aerospace and defense, marine, rail, and recreation industries. The Gill Corporation and its’ subsidiaries; Alcore Inc, Alcore Brigantine, Castle Industries, and Insoleq/M.C. Gill Europe are vertically integrated to offer advanced composite material solutions for the 21st century. The Gill Corporation is headquartered in El Monte, CA. Mfr. aircraft aluminum & composite honeycomb panels