Sharp-Line Industries - manufacturing and sales of traffic signs, markings & devices. SLI, a licensed and bonded contractor, also does pavement marking and sign installation. Custom sign designs and vinyl graphics are available.168170ATTR:STRIPING213850ATTR:BANNERS
Sharp-line Industries Inc. manufactures signs and traffic safety devices for contractors and government agencies across the United States. Based in Spokane, Wash., the firm makes use of aluminum, plywood, polyvinyl and corplast materials in its products. It offers a wide variety of products, including signboards, banners, graphics, logos and letterings. In addition to signs, the company offers...