The Southwestern Pennsylvania Corporation is the administrative arm of the Southwestern Pennsylvania Commission.

Taking its direction from the Commission, the Corporation executes the three program areas: Transportation, Planning and Development, and Information Systems.The 50+ staff members (see staff directory) are responsible for conducting the extensive and necessary work and research to provide important services to local governments and their planning departments.

The Corporation enters into contracts, manages staff, and is the owner of the Regional Enterprise Tower—a catalyst for regional development. The Corporation assumed ownership of the Regional Enterprise Tower (formerly the Alcoa headquarters building, located at 425 Sixth Avenue in downtown Pittsburgh) in August 1998. Dedicated solely to regional development, it is one of the first buildings of its kind in the nation.