Profile: Tri-State Industries, Inc. is a contract manufacturer of specialized metal products for firms in the industrial, process and construction markets. We offer pipe guides, standard slides, pre-insulated slide guides & pre-insulated anchors. Our standard series pipe slide guides are offered in 1/2" to 24" pipe diameter. Our other products include 435-ins(for small pipe sizes), 280-ins(for medium pipe sizes), and 437-ins(for large pipe sizes). Pre-insulated pipe alignment slide guides are designed to ensure positive pipe alignment.