Kelly Services Inc is a provider of workforce solutions and consulting and staffing services. The company's operations are divided into five business segments namely Professional & Industrial, Science, Engineering & Technology, Education, Outsourcing & Consulting, and International. Other than OCG, each segment delivers talent through staffing services, permanent placement, or outcome-based services. OCG segment delivers talent solutions including managed service providers, payroll process outsourcing, recruitment process outsourcing, and talent advisory services. International also delivers RPO talent solutions within its local markets. The majority of revenue is derived from Professional & Industrial.