Har-co is a credit union located in Harford County Maryland. Membership is open to anyone who lives, works, worships, attends ... school or has immediate family living in Harford County. As a credit union we over low rates and world-class experiences. We were founded in 1955 as an educational credit union open to the educators and students of Harford County Public Schools. In 2018, we expanded to offer our services to the entire community of Harford County. Simply stop into one of our branches and we’ll open your membership or help you with a loan. read more