Flexxon Operating, also known as Hallye Development, is a company that creates and develops retail centers. These centers typically are grocery store anchored, but range in size from small build-to-suit operations to shopping centers greater than 800,000 square feet. Flexxon controls the development of retail centers, as well as the leasing of properties and the managing of the centers. Local properties include The Marketplace at Sugar Hill and MacDuff Crossing in Peachtree City.