Mark Brennan

Admiral Bay Resources, Inc. operates as a gas and mining company. The company is headquartered in Centennial, CO.

Castle Resources, Inc. was a junior resource company engaged in exploration and development of mineral properties. It focuses in the operation of Granduc Project in British Columbia. The company was founded on April 29, 2004 and is headquartered in Toronto, Canada.

Part of PRIO SA, Brasoil Exploration Corp. is a Canadian company that deals with crude petroleum and natural gas. The private company is based in Calgary, Canada. The company was founded by Mark Peter Brennan.

Linear Capital Corp. provides business development and corporate advisory services. The private company is based in Toronto, Canada. The Canadian company was founded by Mark Peter Brennan and Anthony M. Croll.

Petro Rio do Brasil Exploração Petrolífera SA engages in oil and natural gas extraction. The company was founded Mark Peter Brennan and Stephen M. Shefsky on April 12, 2006 and is headquartered in Rio de Janeiro, Brazil.

Voyager Metals Inc. is a mineral exploration and development company, which engages in the exploration and development of mining properties. It holds interest in the following properties: Mont Sorcier, Vanadium-rich, and Magnetite Iron Ore Project in Chibougamau, Quebec. The company was founded by Claude E. Ayache on February 27, 2007 and is headquartered in Toronto, Canada.

James Bay Energy Nigeria Ltd. provides energy field. The company was founded by Mark Peter Brennan and is headquartered in Ikoyi, Nigeria.

Crestar Integrated Natural Resources Ltd. is an energy exploration and Nigerian production company. The private company is based in Ikoyi, Nigeria. The company was founded by Adeniyi Olaniyan, Kayode Ayeni. The CEO is Stephen M. Shefsky.

BB1 Acquisition Corp. engages in the identification and evaluation of assets or businesses with a view to completing a qualifying transaction. It also engages in identifying and acquiring a mining, industrial, technology, life sciences or emerging growth sector business. The company was founded on March 2, 2018 and is headquartered in Toronto, Canada.

Cerrado Gold, Inc. operates as a gold production and exploration company. It focuses on exploring and developing the Monte do Carmo gold property in Tocantins state, Brazil. The company was founded by Stephen M. Shefsky and is headquartered in Toronto, Canada.