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All Materials Locator
SubSurface Instruments:
Advanced Location Technology

SubSurface Instruments is an innovating force that designs and manufactures high-frequency & magnetic subsurface locators, PVC pipe detectors, pipe and cable locators and specialty locators.

SSI's most recent innovation, the AML or All Materials Locator, locates buried PVC pipes, PE Pipes, plastic or nearly any other subsurface object more efficiently than ever before. Using patent-protected technology developed by SSI, the AML utilizes high-frequency radio waves that penetrate the ground to detect buried PVC pipes and other objects that magnetic locators can’t find.

SSI features a vast line of professional underground and underwater locator products for every need including 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 an unmatched warranty.