On Assignment was founded in 1985 and went public in 1992. The corporate headquarters is located in Calabasas, California, with a network of approximately 130 branch offices throughout the United States, Canada, United Kingdom, Netherlands, Ireland, and Belgium. Additionally, physician placements are made in Australia and New Zealand. To learn more, visit http://www.onassignment.com.About Staffing Industry Analysts Staffing Industry Analysts is the global advisor on contingent work. Known for its independent and objective insights, the company's proprietary research, award-winning content, data, support tools, publications and executive conferences provide a competitive edge to decision-makers who supply and buy temporary staffing. In addition to temporary staffing, Staffing Industry Analysts also covers related staffing sectors. The company provides accreditation with its Certified Contingent Workforce Professional (CCWP) program. Founded in 1989, acquired by Crain Communications Inc. in 2008, the company is headquartered in Mountain View, California, with offices in London, England.