Established in 1912, the ISU Stephen B. Marvin Insurance Agency is Antelope Valley's oldest insurance agency. Since that time, our company has grown to a full service agency meeting the needs of individuals, families, and business concerns thoughout the Antelope Valley and Southrn California. As an independent agency we work for you, not for an insurance company. By representing a carefully selected group of financially sound, reputable insurance companies we place your policy with the company offering the best coverage at a competitive price.