Citadel was established in 1937 as the Lukens Steel Company Employees Credit Union. In 1983, it expanded its charter to become a community credit union. Today, the company has more than 100,000 members, and over $1 billion in assets.

Citadel is a full-service financial institution with products ranging from insurance and investments to money market and checking accounts. Its mission is to identify and meet customers' needs through a full range of financial and insurance services, while maintaining financial safety and soundness