Seismic Systems Service is an earthquake instrumentation company based in the greater Los Angeles area. Seismic Systems can provide seismic and structural monitoring equipment for bridges, dams, tunnels, high rise buildings and other important structures. Our services include purchasing, installation, and calibration of earthquake test and monitoring equipment. SSS is an accelerograph testing agency and has been licensed by the City of Los Angeles for the past 18 years. SSS specializes in the installation and calibration of equipment in high rise buildings. We can provide end to end service for all your needs, customer service and satisfaction is of the utmost importance.