The group's principal activities are to provide environmental services, architecture and engineering services and defense systems. Its environmental segment includes pollution prevention, compliance management and the environmental restoration of industrial and commercial facilities, sites and military bases. The architecture and engineering segment includes construction services in support of industrial, commercial and government infrastructure and sustainable energy projects. The defense systems include personal protection equipment and technology development efforts in support of chemical and biological agent detection. The group is a professional service firm that uses innovation and technology to help customers to meet infrastructure needs and enhance competitiveness in global economy.