According to our records, this business is located in Modesto (in Stanislaus County), California 95350, the location GPS coordinates are: 37.6390972 (latitude), -120.9968782 (longitude). High Grade Security Systems is categorized under Antennas, Receiving, Satellite Dishes (SIC code 5063). Current estimates show that the unit has a sales volume of $3,948,000 and staff of approximately 6 people. You can contact the company by phone at (209) 529-2999.