Cairo Public Utility Company is an Illinois not-for-profit corporation that operates a combined municipal electric, natural gas and sewage treatment utility.  The Utility provides, distributes and maintains electric services to customers located in Cairo, Future City, Patierdale, Urbandale, Klondike, Cache, and nearby unincorporated areas.  The Utility also provides, distributes, and maintains natural gas services to customers located in Cairo, Mounds, Mound City, Pulaski, Ullin, Dongola, Olmsted, Future City, Urbandale, Patierdale, Spencer Heights, Villa Ridge, East Cape Girardeau, McClure, and nearby unincorporated areas.  In addition, the Utility operates and maintains the sewage treatment plant and lift station for the City of Cairo.

As part of  the Utilities daily business activities, the Utility maintains construction equipment, qualified pipe fitters, linemen, office personnel, inventory and the infrastructure that is typically associated with this type of business.