The Commercial and Industrial Real Estate Brokers, Inc. (CIREB) is a professional trade association established in 1967 by a small group of forward thinking commercial real estate brokers. CIREB maintains the country's oldest and most advanced commercial multiple listing service, (MLS). Members of CIREB service New York State's Capital Region and its extended Tech Valley and include real estate brokers and salesperson (all of whom hold membership in a local REALTOR® association), property managers, real estate appraisers, attorneys, developers, economic development agencies and financial institutions.