Education and Communications Who bought Superior Propane? Who bought Superior Propane? Superior Plus Corp. How many employees does Superior Plus propane have? Superior Plus Energy Services has 3,000 employees.14 Dec 2021 Related Posts:How Much does a gallon of propane weigh?There are 10 best indoor propane space heaters on Amazon.What is the difference between a 15 and 20 pound propane tank?Why do I always smell propane?