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Founded in 2003, SentriLock is the leading electronic lockbox manufacturer and service provider for the real estate, property management and healthcare industries. Wholly owned by the National Association of REALTORS®, America’s largest trade association and manufactured in Lexington, KY, SentriLock prides itself on three key attributes that continue to drive its growth: stability, superior technology and exceptional customer service. Its solutions continue to improve safety, flexibility and accountability for its approximately 500,000 users. Based in West Chester, a suburb of Cincinnati, SentriLock has more than 1 million lockboxes securing properties throughout North America. It was recently named “2017 Best Places to Work: Large Company” by the Cincinnati Business Courier. For more information, go to