G.A. Systems, Inc » G.A. Systems, Inc G.A. Systems, Inc 17872 Gothard St , Huntington Beach, CA 92647 work 714.848.7529work Website: http://www.gasystemsmfg.com/ Roadmap Satellite Connections Business Directory | Leaflet Connections Business Directory | Leaflet 17872 Gothard St , Huntington Beach, CA 92647Get Directions