The South Tees Development Corporation (STDC) is the first Mayoral Development Corporation (MDC) outside of London. It has been set up to promote the economic growth and commercial development of Tees Valley by converting assets in the South Tees area into opportunities for business investment and economic growth.
Its purpose is to further the economic development of the area through physical regeneration, social regeneration and environmental regeneration so that it becomes a major contributor to the Tees Valley economy, bringing the SSI site, and other underutilised land in the area, back in to economic use.