GSPC grew from a family-owned business with a track record of solving pest control concerns. Owner René Ruiz is committed to providing service with a golden touch. Gold Shield Pest Control service offers residential, commercial, industrial and property management pest control solutions in Southern California. One-time and contract services. Based in Los Angeles, California, we serve commercial and residential clients throughout Los Angeles County, including pest control services in Pasadena, Wilmington, Carson, Paramount, Long Beach and other areas.