Cardinal Operating Co.

  • Utilities
306 County Road 7E
Brilliant, OH 43913-1089
(740) 598-4164
(740) 598-6512 (fax)
  • About

    AEP is one of the largest electric utilities in the U.S., serving nearly 5.4 million customers in 11 states. We own:
    •A more than 40,000-mile electricity transmission network – the largest in t