Wintrust Commercial Banking Wintrust Commercial Banking Search | Advanced Search | New Members | Coupons and Discounts | All Categories Finance & Insurance >> Commercial Lending Wintrust Commercial Banking Daniel Diehl (219) 440-5867 Visit Site Member Since: 2024 Send a message to: Wintrust Commercial Banking Your Name: Your Email: Subject: Message: (Date: 11/23/2024) If your business isn't here, contact us today to get listed!