Save hundreds with a local Utah Bear River Mutual Insurance agent. In 1981, Ron Thurman started a small hometown insurance agency in the desert town of Victorville, CA, called Key City Insurance. The agency flourished over the years and in 2003 he and his son, Brent Thurman, formed a small satellite office in Provo Utah which later became known as Keystone Insurance Services. We represent some of the most important and sought after insurance companies, including: Bear River Mutual Insurance, Travelers, Progressive, The Hartford, Auto-Owners Insurance, Mutual of Enumclaw, Safeco, and many more. We have strategically aligned ourselves with the best insurance companies in several fields so we can offer you the best options.