CO-OP Financial Services is a credit union service organization (CUSO) providing electronic transaction processing, ATM network access, payment processing, and call center services to credit unions. The company was founded in 1981 and is headquartered in Rancho Cucamonga, California. CO-OP Financial Services is owned by its credit union clients and has over 5,000 shared branches nationwide. The company's mission is to help credit unions compete with larger financial institutions by providing cost-effective solutions and innovative technology.