John Carolin

Linde GmbH is a holding company, which engages in the gas and engineering business. It operates through the following division: Gases, Engineering, and Other Activities. The Gases Division offers a wide range of compressed and liquefied gases as well as chemicals. The Engineering Division delivers olefin, natural gas, air separation, hydrogen, and synthesis gas plants. The Other Activities Division comprises operations of logistics services company Gist. The company was founded by Carl Paul Gottfried von Linde on June 21, 1879 and is headquartered in Pullach, Germany.

Arup Group Ltd. provides engineering, design, planning and project management consulting services. The company has offices across Europe, North America, Africa, Australasia and South East Asia. It offers building design, economics and planning, infrastructure design, management consulting and specialist technical services. The firm was founded by Ove Arup in 1946 and is headquartered in London, the United Kingdom.

Biogen (UK) Ltd. engages in the provision of anaerobic digestion company. It offers integrated food waste management solutions for supermarkets, caterers, pubs, hotels, food manufacturers and local authorities. The company was founded by John Charles Ibbett in 2005 and is headquartered in Bedfordshire, the United Kingdom.

Eco-Solids International holds exclusive world-wide and patented rights, outside of North America, to two leading-edge waste-water and sewage sludge treatment technologies.