SECU, founded in 1937, is a member owned cooperative organized to promote thrift and provide low cost financial services. The field of membership includes employees and retirees of state government, public school systems and their immediate families. SECU is the largest credit union in North Carolina and the second largest in the United States. Our members have access to more than 140 branch offices, 700 ATMs, a Call Center and a secure web site. Open Monday-Friday 8:30am-5:30pm.