David B. Krieger

Canbriam Energy, Inc. engages in the exploration and development of oil and gas properties. It operates as a exploration and production company exploration company that focuses on finding and developing over-pressured, liquids rich natural gas resources in the Western Canadian Sedimentary Basin. The firm also operates through its offices located in Calgary and Fort St. John. The company was founded by Paul B. Myers and John Nieto in 2007 and is headquartered in Calgary, Canada.

Osum Oil Sands Corp. operates as an oil sands development company. It offers heavy oils and bitumen that are used to make petroleum products.The company was founded in 2005 and is headquartered in Calgary, Canada.

Environmental & Medical Gas Services, Inc. offers sales, service and testing of medical gas source and pipeline equipment. It provides medical gas pipeline, medical gas source, medical lighting and dental products. The firm also offers all medical gas services ranging from finding leaks to complete overhaul of vacuum pumps and air compressors. The company was founded in September 1984 and is headquartered in Villa Rica, GA.

Part of Kosmos Energy Ltd., Kosmos Energy Holdings LLC operates as a holding American company with interests in the oil and gas industry.

Part of McKinsey & Co., Inc., McKinsey & Co., Inc. (United Kingdom) is a consulting firm that helps UK manufacturers embrace new technologies for digital transformation and leadership. The private company is based in London, UK. Ruben Schaubroeck, McKinsey Digital's new lead for the UK, Belgium, and Netherlands offices, spoke with Thomas Farrar, a manager of communications in the firm's UK office, about the importance of speed and pace for CEOs in this new growth journey. The British company works with organizations that pursue sustainability, inclusion, and economic growth, all at the same time, to achieve strategic foresight and built-in agility in the face of the COVID-19 pandemic and the new trading relationship with the EU.

Black Swan Energy Ltd. engages in oil and gas exploration and production services. It focuses on the exploration and development of proven hydrocarbon trends in the Western Canadian Sedimentary Basin. The company was founded by David Frank Maddison, Leanne Juneau, and Jacqueline Mary Sheppard in 2010 and is headquartered in Calgary, Canada.

Velvet Energy Ltd. operates as a crude oil and natural gas exploration firm. It specializes in early land capture, technical evaluation, exploration, and development. The company was founded in 2011 and is headquartered in Calgary, Canada.

West Valley Energy Corp. operates as oil and gas company formed to capture and develop scalable resource plays in Alberta. The firm’s focus is to identify new or emerging oil projects with the potential for value creation through field extension and recovery. The company was founded in 2011 and is headquartered in Calgary, Canada.

CASA Exploration Management LLC engages in oil and gas exploration and process of aoil and gas. The company was founded on July 17, 2013 and is headquartered in Houston, TX.

Rubicon Oilfield International Ltd provides support activities for oil and operations. The firm offers drilling and completion solutions and products. It also offers directional, horizontal well construction, performance, extended reach drilling, hole conditioning and frac plug milling applications. The company was founded by Michael E. Reeves and John B. Griggs in June 2015 and is headquartered in Houston, TX.

Rubicon Oilfield International Holdings LP provides oilfield services and related equipment. It offers below and above ground oilfield services, as well as drilling well construction solutions. The company was founded by Scott Watson in 2015 and is headquartered in Houston, TX.

Ensign Natural Resources LLC operates as an exploration and production company. It focuses on acquiring, developing and producing U.S. unconventional resources. The company was founded in 2017 and is headquartered in Houston, TX.

Tall City Exploration III LLC engages in the exploration and production of oil and gas. Its activities include the pursuit of acquisitions and the exploration and development of upstream oil and gas assets in the Permian Basin. The company is headquartered in Midland, TX.

Part of Trident Energy LP, Trident Energy Management Ltd. is a British company that provides support services for petroleum and natural gas extraction. The private company is based in London, UK. The company was founded in 2016. The CEO is Jean-Michel Charles Jacoulot.

Orennia, Inc. provides commercial analytics to assist in investment and capital allocation decisions for energy transition spaces. The company is based in Calgary, Canada. The Canadian company's insights, curated by experienced industry experts, aid capital allocators in power and renewable, decarbonization, and energy transition sectors to make confident investment decisions and accelerate their time-to-value. Orennia offers an all-in-one energy transition analytics platform for efficient, fast, and accurate capital allocation decisions. The CEO of the company is Brook Papau.

Tupper Lake Partners LLC (Tupper Lake Partners) is a venture capital firm founded in 2020. The firm is headquartered in Houston, Texas.