With a 50-year history of results, NAI KLNB is the regions leading commercial real estate firm. We specialize in providing solutions to your specific needs. Whether they are retail, office, industrial sales and leasing, development, consulting, or investment services, you can rely on us to serve all of your commercial real estate needs with the utmost focus and confidence. NAI KLNB is the largest independently owned commercial real estate company east of the Mississippi. The Dulles Technology Corridor website is one aspect of the Virginia-based brokerage located in Tysons Corner, Virginia.