SubSurface Instruments:
Advanced All-Purpose Magnetic Detection Technology

SubSurface Instruments is an innovating force that designs and manufactures world-class magnetic locators, pipe and cable locators and other specialty locators.

SSI develops and manufactures underground locator products for surveying, construction, ordnance removal, excavation and exploration. Our customers from the water, sewer, power, telecom, cable and gas utilities rely on SSI’s reliability and dependability to make crucial measurements in the world’s most challenging conditions. SSI’s products are proudly made in the U.S.A. and offer unmatched warranty.