For over 20 years NAI Horizon has represented the NAI Global platform in Arizona, making NAI Horizon one of the longest in-service offices in the NAI Global network. As the largest commercial real estate managed network worldwide, NAI has completed over $45 billion in annual transactions, through our over 5,000 agents and manage more than 250 million square feet of commercial properties, with over 325 offices located in 55 countries on 5 continents. NAI is unchallenged in its worldwide coverage of markets both large and small.