Customer service, great rates and low fees are our #1 priority. We make your mortgage experience stress-free and efficient. Close on time, without surprises. Established in 1986, PrimeLending was founded with the principles of providing clients and real estate agents with unsurpassed quality service and support throughout the mortgage process. 25 years later. With more than 25 years of excellence in the mortgage banking industry, PrimeLending serves clients in Oklahoma and throughout the United States.