Since its inception in 1934 the Guardian Credit Union has been serving its members in the WEST MILWAUKEE, Wisconsin 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 Kevin Nitka, the Guardian CU has grown its membership to over 36,144 with assets of more than $230,869,843. They have a main office and 6 branch offices.