Serving banks and credit unions for over 40 years ~ L & L Systems, Inc., a family-owned business founded in 1980 by Larry Cook. We love feedback! Submit your review below: Your name Please enter your name. Your email Please enter a valid email. Please share your client review here! Please enter a message. Submit Now Message failed. Please try again. Thanks for submitting your client review! We appreciate your feedback! Positive Customer Review from Ralph B of First Security Bank Positive Customer Review from Garrett P of Happy Centennial Bank