Carillion plc is an integrated support services company. The Company operates through four business segments: Support services, Public Private Partnership projects, Middle East construction services and Construction services (excluding the Middle East). The Support Services segment includes its facilities management, facilities services, energy services, rail services, road maintenance services, utilities services, remote site accommodation services and consultancy businesses in the United Kingdom, Canada and the Middle East. The Public Private Partnership projects segment invests in Public Private Partnership projects in the United Kingdom and Canada. The Middle East construction services segment includes its building and civil engineering activities in the Middle East and North Africa. The Construction services segment includes its the United Kingdom building, civil engineering and developments businesses, together with those of its construction activities in Canada.