DEMCO cooperative was formed in August of 1938 to serve 750 members in East Baton Rouge, East Feliciana, and Livingston parishes.

DEMCO is a Top 100 company of Greater Baton Rouge and one of the largest local businesses in this region of the state. Currently powering over 112,000+ meters in seven parishes of Southeast Louisiana, DEMCO service areas include Ascension, East Baton Rouge, East Feliciana, Livingston, St. Helena, Tangipahoa, and West Feliciana.