www.psoklahoma.com
PSO serves 505,000 customers in Oklahoma. Its headquarters is in Tulsa. PSO is part of the American Electric Power system, which serves more than 5 million customers across 11 states.
PSO serves 505,000 customers in Oklahoma. Its headquarters is in Tulsa. PSO is part of the American Electric Power system, which serves more than 5 million customers across 11 states.