Seven Tulsa entrepreneurs make the cut from more than 100 entries and advance in a business competition.The announcement came today.The seven businesses now have a shot at $30,000 and the top prize in the SpiritBank/Tulsa Community College Entrepreneurial Spirit Award.The companies range from edible products like cupcakes to a hair product and even heavy machinery.One of the seven companies is Impact Earth.The company is working on a specialty drilling rig to drill holes up to 300 feet deep for geo-thermal systems.