Incorporated in 2002, Markolines Traffic Controls Limited (NPST) provides highway operations and maintenance services across India. Its operations cover toll management, route patrolling, incident management, routine and preventive maintenance, major repairs, and specialized services like microsurfacing, base stabilization, and cold in-place recycling. Since inception, the company has executed over 90 O&M projects and, as of August 2021, manages around 285.71 km of major maintenance and 943.31 km of toll, routine maintenance, and patrolling projects on national highways, with major maintenance accounting for over 80% of its revenue.