Outsourcing Human Resources tasks to a Professional Employer Organization makes good business sense for all types of companies. Generally companies with less than 5000 employees find the most advantages from engaging a PEO. StaffMarket works with hundreds of Professional Employer Organization - PEO companies throughout the United States. Each PEO has different service offerings and differing abilities to provide insurance coverage in your area and for your type of risk (work comp) classification. StaffMarket can help you obtain PEO quotes for companies like the following: