If you're here looking up TECO Energy, Inc. customer care, you probably already know who they are. But it helps to get an idea of how big they are and what their support operation looks like if you are a customer. TECO Energy, Inc. also goes by or is associated with the names TECO. They are considered to be part of the following sectors and industries: Energy, Utilities. TECO Energy, Inc. is associated with terms like Energy, gas, electric by their customers and industry analysts. Their competition, in the eyes of customers, are companies like The Southern Company, Progress Energy, Texas-New Mexico Power Company. They employ 2,500 people according to customers in the know.