Redstone Federal Credit Union has been proudly serving the Tennessee Valley since 1951 and now has more than 400,000 members. ... Redstone has over 4 billion in assets and 25 branch locations in Northern Alabama and Southern Tennessee. As the largest credit union in the state of Alabama and ranked among the Top 20 federal credit unions in the United States, we are here to help you live brighter and make your financial dreams come true. read more