Ampra's Staffing Services, Inc. We are a local staffing agency and payroll service company that specialize in prevailing wage employment, payroll processing, temporary job placement, professional and office staffing. We are located in Cameron Park Ca, and service the El Dorado County as well as the greater Sacramento area. Whether you are a business owner looking for qualified, professional employees, a skilled individual seeking employment or you are in need of fast, efficient, quality payroll services, we are here to handle all of your needs.