Aon plc is a large Anglo-American-Irish global professional services firm that sells a range of financial risk-mitigation products, including insurance, pension administration, and health-insurance plans. Aon has approximately 50,000 employees in 120 countries. Aon has a number of specialty practice groups such as the Design & Construction Firm Practice and the Environmental Services Group. The Design & Construction Firm practice is a fully integrated global team for design and project professional clients. The Design & Construction Firm practice provides specialized insurance brokerage and risk advisory services to architects, engineers, surveyors, project/construction managers and other design professionals (including design and build contractors). The Environmental Services Group provides comprehensive risk analysis for client’s potential environmental exposures by identifying at-risk operations, liabilities assumed or discharged at purchase or sale, regulatory compliance and potential remediation.