The Great Lakes and St. Lawrence Governors and Premiers Great Lakes Governors and Premiers The Great Lakes St. Lawrence Governors Premiers also known as GSGP unites the chief executives from Illinois Indiana Michigan Minnesota New York Ohio Ontario Pennsylvania Quebec and Wisconsin. The Governors and Premiers work as equal partners to grow the regions nearly 8 trillion economy and protect the worlds largest system of surface fresh water. Great Lakes News Wisconsins First LandBased Walleye Farm Joins International Effort That Seeks to Use 100 of Each Fish Great Lakes Governors Call for Continued Support of GLRI Chair39s Letter GSGP Ongoing Projects Protection and Restoration The Great Lakes Governors established a list of nine priorities to guide the restoration and protection of the largest single source of fresh surface water in the world the Great Lakes.