Owning a plumbing company may seem like an anomaly for a woman, but single mom Tammy Wadina is right at home, combining know-how with hospitality and a can-do attitude.A licensed plumber herself, the petite, energetic Wisconsin native grew up helping her father with maintenance at apartment complexes and starting her own business. She went on to earn a bachelor’s degree in business and hospitality management from Mount Mary College, then spent nearly two decades honing her skills in the service and sales industries