Firstmark Credit Union, formerly known as the San Antonio Teachers Credit Union, is a member-owned, locally controlled, and not-for-profit financial cooperative. Established in 1932, it is the oldest state-chartered credit union in San Antonio, Texas. Over the years, Firstmark Credit Union has grown from its humble beginnings with 40 members, $475 in total assets, and $300 in total loans in 1932. The credit union has since expanded its services and locations, providing exceptional customer service to its members. Customers have consistently praised the friendly, courteous, and professional staff at Firstmark Credit Union, particularly mentioning the exceptional service provided by employees such as Maria Vela, Dylan Contreras, Crystal, Susan, and Chris. The credit union has been recognized for its commitment to helping members, including a young customer who was treated with the same care as someone depositing a million dollars.