National Trench Safety is one of the largest and fastest growing independent providers of trench safety solutions for underground maintenance and construction activities in the United States. With annual revenues approaching $50 million, NTS and its subsidiaries rent and sell infrastructure safety products to a broad group of industrial customers for applications in the highway construction and repair, pipeline construction and repair, industrial plant infrastructure, water works, airport infrastructure markets, and a host of other construction and repair applications. Products include safety signage, related products and water abatement systems.