Old Plank Trail Community Bank is a $750 million bank with locations in Mokena, New Lenox and Frankfort (2), Orland Park (operating as Orland Park Bank & Trust), Crete and Steger. It is one of fifteen banks owned by Wintrust Financial Corporation, and was incorporated in 2006. We specialize in providing state of the art banking products combined with unmatched customer service. The Bank continues to be an active lender in our market serving personal, business, and public banking customers. Member FDIC & Equal Housing Lender.