Richard Maltz

Society of Industrial & Office REALTORS (SIOR) is a commercial real estate association that represents the world's top producing brokers. The non-profit company is based in the United States and has subsidiaries worldwide. SIOR offers categories and an application process for membership, collaborating with industry leaders through its industry partner programs. SIOR membership signifies that you are among the most knowledgeable, experienced, and successful commercial real estate brokerage specialists. Robert Thornburgh has been the CEO of the American company since 2021.

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.

Queens Chamber of Commerce operates as a business association which offers various services to its business community. It offers information and advice helpful to the business, as well as opportunities for meeting and working with other businesses and groups in Queens. It focuses on the real estate, transportation, healthcare and wellness, technology, energy and environmental, restaurant and hospitality, and not for profit and manufacturing industry. The company was founded in 1911 and is headquartered in Jackson Heights, NY.

Greiner-Maltz Real Estate Co. provides commercial real estate brokerage services for businesses, investors, and appraisers. It engages in leasing, selling, appraising, and managing industrial and commercial property in Manhattan, Brooklyn, Queens, and Long Island. The company was founded by William Greiner and Richard Maltz in August 1953 and is headquartered in Long Island City, NY.