Carillion is a major force in the UK's construction and support services industries. The company builds and manages commercial and infrastructure projects including health care, government, corporate, education, utility, and railroad projects. It also invests in public-private partnership (PPP) projects such as rail upgrades and new hospitals. The biggest money maker for Carillion is its support services segment (some 40% of revenues). It includes engineering services for the oil and gas industry, property development, property management, IT services, and staffing. Carillion operates throughout Britain, in Europe, the Middle East and North Africa, Canada, and the Caribbean.