Alan Cullens

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.

WS Atkins Ltd. is a holding company, which creates and engineer constructible designs, provides advice to progress projects, and manage projects or programmes to specified quality. The company was founded by William Atkins in 1938 and is headquartered in Epsom, the United Kingdom.

African Oxygen Ltd. is engages in the manufacture and marketing of gases and welding products. It operates through the following three segments: Atmospheric Gases, Liquefied Petroleum Gas (LPG) and Hard Goods. The Atmospheric Gases segment includes oxygen, nitrogen and argon gases. The LPG segment supplies LPG to bulk users in all sectors of the South African market. The Hard Goods segment comprises of include arc equipment, gas equipment, welding consumables and other products. The company was founded in 1927 and is headquartered in Johannesburg, South Africa.

PA Consulting Group Ltd. engages in the provision of management, systems, technology consulting, and innovation services. The company was founded by Ernest Button on September 3, 2015 and is headquartered in London, the United Kingdom.

Atkins Bennett Ltd. provides engineering consultancy and project management services. The company is headquartered in Epsom, the United Kingdom.

Atkins Investments Ltd. provides business support services.

Part of SNC-Lavalin Group, Inc., Atkins Investments UK Ltd. functions as an investment holding private company. The company is based in Epsom, UK.