Founded in 1971, 3SI is the market leader in pioneering advanced security solutions for asset protection and recovery. We are ... always ahead of the curve starting with the commercialization of dye and ink staining, to our ongoing development in GPS tracking and beyond. Our technology protects more than 250,000 locations worldwide, and we actively combat crime through innovative solutions. 3SI’s mission is to protect society through dependable security strategies backed by superior solutions, services and technologies. Our vision is to create a safer world. 800.523.1430 info@3si.com 3si.com read more