Heineman Winery
- Produces wine made from grapes grown on the island. Site includes history and price list.
- http://www.heinemanswinery.com/

A Taste of the Party
- Catering company serves any size group on the islands for weddings, business meetings, luncheons, and clam bakes.
- http://www.put-in-baycatering.com/

Put-in-Bay Chamber of Commerce
- Provides information on area attractions, lodging, shopping, fishing, and boating.
- http://www.put-in-bay.com/

Stoiber Enterprises Inc.
- Management company providing employment and housing for employees for Frosty's Bar, Crescent Tavern, The Carriage House and The Lone Willow.
- http://www.frostys.com/