Mark Francis McAllister

Fairfield Energy Ltd. produces upstream oil. It operates a balanced portfolio of North Sea assets, including the producing Dunlin cluster of fields in the Northern North Sea and the producing Clipper South field in the Southern Gas Basin. The company was founded by Christopher Alan Wright, Jon Gluyas, Jim Henderson, Andrew R. Hockey, and Mark McAllister in September 2005 and is headquartered in Westhill, the United Kingdom.

PA Resources AB engages in the exploration and development of oil and gas reserves and exploration of new reserves. The company was founded in 1994 and is headquartered in Stockholm, Sweden.

Acorn Oil & Gas Ltd. provides oil and gas refining services. It extracts crude petroleum and natural gasses. The company was founded by Gordon Bowman Stein and Mark Mcallister in 2001 and is headquartered in Staines, UK.

Oasis Charitable Trust is a UK-based charity founded in 1984 by Rev Steve Chalke. The non-profit company is based in London, UK, and has subsidiaries in the United Kingdom. The charity aims to build inclusive communities by providing housing, education, healthcare, training, youth work, family support, and other activities. Oasis has subsidiaries, including Oasis Community Learning and Oasis Football For Life, which provide resources for football projects that teach life skills.