The Cass River, named after former territorial Governor of Michigan, Lewis Cass. Flows past Carling Brewery. Original Brewery established here was Frankenmuth Brewing Company, founded in 1899. Plant was purchased by Carling Brewing company in 1956. This is largest Brewing Corporation in World, Brewing 27 different brands of beer throughout world. In United States, Carlings has five breweries. am originally constructed of rock, oak slabs, and earth in summer of 1847 by harbinger Brothers.