SPMar is a Brazilian highway concessionaire established in 2011. It holds the concession for about 98.7 km of the Rodoanel Mário Covas (SP-21) highway, specifically the South and East stretches. The company is controlled by Grupo Bertin. Maintenance, administration, and improvements of the concessioned highway sections, including ongoing upkeep, repairs, raising road safety standards, etc. Construction of road infrastructure for the stretches under its concession — this includes existing road segments (South) and building parts of the East stretch.