Home of superior mortgage rates, exceptional service and unparalleled knowledge. Security Financial Mortgage NMLS ID 920974 Security Financial Mortgage has a simple business philosophy. With an efficient, knowledgeable team that is willing to work hard for every client, we can keep our costs low while providing exceptional service. This enables us to pass the savings on to our customers. We feel this business practice is not only an ethical one, but a method by which we may better serve our clients, partners, and community. We have positioned ourselves to be able to offer Oklahoma clients better rates and lower fees.