Welcome to the Diehl Mortgage Training and Compliance education and training site for OPMS Customers. Diehl is proud to be selected as the preferred vendor for your NMLS training needs. Save 20% on Pre-Licensing Courses with Promo Code: ORIGINATIONPRO20. Save 30% on CE Courses with Promo Code: ORIGINATIONPRO30. If you need assistance, please contact us at 317-272-7600.