Lenhart, Mason & Associates, LLC is a certified public accounting firm located in Casper, WY, with a history dating back to 1930. Since that time, the firm has grown to become one of the leading certified public accounting firms in Wyoming. Lenhart, Mason & Associates, LLC serves a statewide client base offering a full range of accounting, auditing, tax, and consulting services. The firm’s client base consists of small, medium, and large business entities; for-profit businesses, non-profit organizations, and governmental entities.