Marc Zimmerman

East Tennessee Realtors is a member of the National Association of Realtors (NAR), which is the largest trade association in America representing over 1.5 million members involved in all aspects of the residential and commercial real estate industries. The non-profit company is based in Chicago, IL and has subsidiaries in the United States. The NAR is composed of residential and commercial realtors, who are brokers, salespeople, property managers, appraisers, counselors, and others engaged in all aspects of the real estate industry. Bob Goldberg has been the CEO of the company since 2017.

California Association of Realtors provides promotion of business interests of member realtors. It engages in the advancement of professionalism in real estate. The company is headquartered in Los Angeles, CA.

The San Diego Association of Realtors is a trade association based in San Diego, CA that serves as the trusted voice of real estate. SDAR members have the privilege to decide the future leaders and direction of the association, while the distinguished board of directors helps shape the voice of real estate in the county. Founded in 1911, the association has over 20,000 members and provides the latest real estate news to its members.

The Language Express, Inc. engages in the provision of social-emotional learning and career exploration services. Its animated interactive lessons allow users to practice in a safe environment the skills needed to manage real-life social situations. It offers The Social Express, Cool School, and Teen Career Path programs. The company was founded by Marc Zimmerman and Tina Zimmerman in 2008 and is headquartered in Encinitas, CA.

Critical Digital Data, Inc. provides online data storage and reproduction services through www.HomeDataGuard.com and HomeDataGuard Personal Digital Vault Application. It enables its subscribers to create a 'back-up' copy of most critical documents and electronic personal data. The company was founded by Dina M. Moskowitz and Marc Zimmerman on May 2, 2008 and is headquartered in San Diego, CA.

PineappleHut, Inc. provides real estate services. The company is headquartered in San Diego, CA.

1st Financial Services Corp. operates as a bank holding company for Mountain 1st Bank & Trust Co., which provides general commercial and consumer banking products and services to small and medium-sized businesses and individuals in North Carolina. Its deposit products include checking accounts, NOW accounts, savings accounts, commercial money market accounts, certificates of deposit, and individual retirement accounts. The company was founded on May 23, 2008 and is headquartered in Hendersonville, NC.