E. Bruce Clark

Charles Schwab Investment Management, Inc. (dba Schwab Asset Management®) is a SEC-registered investment advisor headquartered in San Francisco, California. The firm was founded in 1989 and is a wholly-owned subsidiary of The Charles Schwab Corp. (NASDAQ: SCHW). Schwab Asset Management is the investment adviser for Schwab Funds, Schwab ETFs, and separately managed account strategies.

Centurion Energy International, Inc. explores and produces oil and natural gas. The company was founded by Said Youssefa Arrata and Barry Swan on May 20, 1997 and is headquartered in Calgary, Canada.

Shell Canada Ltd. processes, markets & distributes natural gas, liquids and bitumen. The company engages in the discovery and development of hydrocarbon reserves. It also markets refined petroleum products. The company was founded in 1911 and is headquartered in Calgary, Canada.

663447 N.B., Inc. engages in the provision of engine control solutions and data analytics for horsepower engine applications. The firms engine control solutions have applications that can be used in the Mining, Locomotive, Power Generation, and Marine industry. It produces Advanced Universal Controllers, which allow users to improve their operational efficiency by saving fuel, reducing emissions, and providing data analytics regarding fleet and equipment operations. The company was founded in 1996 and is headquartered in Mississauga, Canada.

CCR Technologies Ltd. provides purification and reclamation services of amines and glycols. The firm offers mobile service reclaiming, fixed facility reclaiming, long term solvent maintenance programs and licensing opportunities. The company was founded in 1987 and is headquartered in Calgary, Canada.

North West Refining, Inc. develops bitumen related products. Its project envisioned is a bitumen refining business in Alberta's Industrial Heartland resources in a responsible and sustainable manner. The company was founded in 2004 by Gary lee and is headquartered in Calgary, Canada.

Deloitte & Touche LLP engages in the provision of audit, advisory, financial advisory, tax, and consulting services. The company was founded on March 7, 1995 and is headquartered in New York, NY.

Shell Oil Products Co. LLC produces and markets oil and natural gas. The firm refines, markets, and distributes crude oil and petroleum products. The company was founded in 1912 and is headquartered in Dallas, TX.

The Plaza Group Ltd. distributes petrochemical solvents and chemical intermediates. Its products include intermediates, solvents, plastics, elastomers, and polyethylenes. The company was founded in 1994 and is headquartered in Houston, TX.

Kenway Mack Slusarchuk Stewart LLP provides accounting services. The private company is based in Calgary, Canada.

Shell International Petroleum Co. Ltd. engages in oil and gas business. The company was founded on February 16, 1959 and is headquartered in London, the United Kingdom.

Hightowers Petroleum Co. supplies fuel and petroleum products. It offers crude oil, diesel exhaust fluid, and lubricants. Its services include bulk fuel delivery, fleet cards, emergency fuel, and inventory management. The company was founded by Stephen Hightower in 1982 and is headquartered in Middletown, OH.

Marix Technologies, Inc. is a full-service resource for process design and automation engineering. The private company is based in Maumee, OH. Matrix Technologies serves the world's leading industrial manufacturers and provides versatile solutions for their clients.

Canadian Petroleum Products Institute The company is headquartered in Calgary, Canada.

Odfjell Terminals (Houston), Inc. manufactures and exports chemicals. The firm provides unsurpassed storage, transfer and distribution services. The company was founded in 1983 and is headquartered in Houston, TX.

Western States Petroleum Association engages in petroleum exploration, production, refining, transportation, and marketing. The private company is based in Sacramento, CA.

SuperNova Performance Technologies Ltd. develops technology products for energy saving solution. It offers Hydrogen Power Lizard, TreeFrog Transport Optimization systems, Soot cH2ECk, and E-Thumper. The company was founded by John O'Bireck and is headquartered in Toronto, Canada.

CSV Midstream Solutions Corp. operates as a midstream natural gas and liquids infrastructure company. The firm engineers, designs, constructs, and operates infrastructure, including sour and sweet gas processing, liquids handling and fractionation, and gas gathering and transmission pipelines. The company was founded by Daniel Clarke in 2014 and is headquartered in Calgary, Canada.

Parvus Therapeutics, Inc. manufactures and sells biopharmaceutical products. The private company is based in Calgary, Canada.