We provide an array of human resources (“HR”) and business solutions designed to help improve business performance. Since our formation in 1986, we have evolved from being solely a professional employer organization (“PEO”), an industry we pioneered, to our current position as a comprehensive business performance solutions provider. Our long-term strategy is to provide the best small and medium-sized businesses in the United States with our specialized human resources service offerings and to leverage our buying power and expertise to provide additional valuable services to clients. Our comprehensive HR services offerings are provided through our Insperity ® HR 360 solution (formerly Workforce Optimization ® ), our Insperity ® HR 360 Select Edition solution (formerly Workforce Synchronization TM ), and our Insperity ® HR Scale TM solution (together, our “PEO HR Solutions”) which encompass a broad range of HR functions, please read “ Service Offerings — PEO HR Solutions .” HR 360. Insperity’s HR 360 solution, our largest source of revenue, is offered to small and medium-sized businesses seeking a comprehensive people strategy.