Insperity, Inc., previously known as Administaff, Inc., is a professional employer organization headquartered in Kingwood, an area of Houston, Texas, USA. Insperity provides human resources and administrative services to small and medium-sized businesses. Since 2004, the company has been title sponsor of a professional golf tournament on the Champions Tour, previously known as the Administaff Small Business Classic. Insperity serves more than 100,000 businesses with more than 2 million employees. The company has 2,200 corporate employees in over 60 offices across the US. Insperity is publicly traded on the New York Stock Exchange under the ticker symbol NSP. The company completed its initial public offering in January 1997. Wikipedia