The document discusses options for building an HR department, including doing it yourself, outsourcing to multiple vendors, or using a single vendor like a Professional Employer Organization (PEO). It describes what a PEO is and how the co-employment relationship works, where the PEO and client company become co-employers. PEOs can offer services like payroll processing, benefits administration, risk management, and more. The document outlines the pros and cons of using a PEO, such as reduced costs but less flexibility in compensation packages.