GTC, Inc., a full-service concrete construction company, brings the sandwich panel to the central coast of California. GTC, Inc. first introduced the sandwich insulated panels in Paso Robles, California with Firestone Walker Brewing Company’s new cold storage facility. Currently in progress is a 90,000 sq.ft. addition to Nichols Pistachio Company, located in Hanford, CA, where GTC, Inc. has also incorporated the sandwich insulated panels for their facility. (Pictured in TILT-UP TODAY).