SubSurface Instruments, Inc.
SSI features a vast line of professional underground and underwater locator products for every need including surveying, construction, excavation, and exploration. Our customers from the petroleum, water, sewer, power, telecom, cable and gas industries 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 industry-leading warranty. To view all our locators, see our website.