Mortar Advertising specializes in an online and off-line strategy, identity and positioning firm. Located in San Francisco, Calif., the firm offers a range of services, such as print and broadcast advertising, interactive development and public relation. It also provides consumer ethnography, communications planning, strategic brand consulting and identity solutions. Mortar Advertising is a member of the San Francisco American Marketing Association and Silicon Valley American Marketing Association. Its list of clients includes Knoodle, Golden Gate University and Isilon Systems.