Since its inception in 1951 the Fortress Federal Credit Union has been serving its members in the MARION, Indiana area with exceptional financial products. You can find their current interest rates on used car loans, new car loans, 1st mortgage loans and interest rates on both fixed and adjustable mortgages here on these pages. Currently led by Lisa Blades, the Fortress FCU has grown its membership to over 2,186 with assets of more than $16,112,975. They have a main office and 1 branch offices.