WELCOME TO THE SOUTHERN ECONOMIC DEVELOPMENT COUNCILThe Southern Economic Development Council supports its members throughout the American South by providing a network for economic developers, tools and resources to enhance your programs and access to timely information. Founded in 1946, SEDC was the founding organization for the Industrial Development Institute, now called the Economic Development Institute.Tracing our roots to the fall of 1946, SEDC is the oldest and largest regional economic development organization in North America. more... See more text