Enerdyne of Suttons Bay, Michigan is THE Nature & science center for the best choice in binoculars, telescopes, spotters, thinking toys and games, home and garden, petoskey stones and educational products.

Black Star Farms is an Agricultural Estate in Leelanau County, Michigan featuring a Bed and Breakfast Inn, Winery, Stables and the Leelanau Cheese Company.

HTI, Inc. (HTI) specializes in the development of Waste Water Treatment Sytems and Water Treatment systems which utilize precast tanks and components.