Carillion plc is an integrated support services company. The Company has a portfolio of Public Private Partnership projects and delivers solutions. The Company operates in four business segments: Support services, Public Private Partnership projects, Middle East construction services and Construction services. Support Services segment, which includes its facilities management, facilities services, energy services, rail services, utility services, road maintenance and consultancy businesses. Public Private Partnership projects segment, which includes financial returns generated by investments. Middle East construction services segment includes its building and civil engineering activities in Middle East. Construction services segment includes its United Kingdom building, civil engineering, developments businesses and its construction activities.