Commercial Brokerage as well as Commercial Leasing and Property Management of Retail, Office, and Industrial Properties. The Horn Company is a full- service real estate firm located in Helotes, Texas that is built on the idea that a good relationship is just a hand-shake away. Their team has both commercial and residential specialists for property brokerage, commercial leasing and property management, farm and ranch and business brokerage. The Horn Company Team prides itself on integrity of our services and commitments, enduring relationships and the ability to bring value to every transaction for its clients and investors.