Railmark Track Works Inc. (RTW) provides full-service track construction and maintenance services to the railroad industry, industrial rail users, municipalities and port authorities. Although based in the metropolitan Detroit Michigan area, Railmark Track Works Inc. has performed track work in thirty-two (32) states and in Canada. Railmark welcomes both small and large jobs and specializes in cost-effective maintenance programs. We provide guarantees to work and our commitment to quality workmanship and customer service delivery is unsurpassed. Railmark maintains 24-hour emergency services.