Sub Zero Ice Cream, a company that achieved acclaim on popular TV show “Shark Tank,” plans to open a franchise within retail development Main Street Kingwood this spring. Main Street Kingwood is located at the intersection of Kingwood Drive and West Lake Houston Parkway. The business provides customers with a new way to eat ice cream that involves freezing the dessert in liquid nitrogen. Customers choose a yogurt and ice cream base, flavors and other add-ons before the mixture is frozen and served. 385-208-4353. www.subzeroicecream.com