Judd Brandon Cryer

Calpine Corp. operates as power generation company, which engages in the ownership and operation of natural-gas fired and geothermal power plants. It sells power and related services to wholesale customers who include commercial and industrial end-users, state and regional wholesale market operators, and retail customers. The company was founded by Peter Cartwright in June 1984 and is headquartered in Houston, TX.

Cushing Asset Management LP is a SEC-registered investment advisor headquartered in Dallas, Texas. The firm was founded by Jerry Swank in 2003 and they are a wholly-owned subsidiary of Swank Capital LLC. Cushing Asset Management provides investment management services on a discretionary basis to high net-worth individuals and institutional investors through Private Funds, Mutual Funds, ETFs, Closed-End Funds and Managed Accounts. They also offer discretionary investment management services as part of various wrap fee programs offered by investment advisers/broker-dealers.

NXG Cushing Midstream Energy Fund is a non-diversified, closed-end management investment company. Its investment objective is to obtain a high after-tax total return from a combination of capital appreciation and current income. The company was founded on May 23, 2007 and is headquartered in Dallas, TX.

Cushing Energy Income Fund is a non-diversified, closed-end management investment company. The company's investment objective through investments in public and private energy companies. Its objective is to seek a high total return with an emphasis on current income by investing in a portfolio of energy-related US royalty trusts and Canadian royalty trusts, and exploration and production companies. The company was founded on July 18, 2011 and is headquartered in Dallas, TX.

John Zink Co. LLC provides industrial products and environmental solutions. Its products include process, duct and boiler burners, flaring systems and accessories, flare gas recovery systems, vapor recovery and combustion systems, and thermal oxidation systems. The company was founded in 1929 and is headquartered in Tulsa, OK.

Part of Zachry Corp., Utility Engineering Corp provides power plant design and construction services. The company is based in Denver, CO. Utility Engineering was acquired by Zachry Construction Corp. from Xcel Energy, Inc. on April 08, 2005.

NXG NextGen Infrastructure Income Fund is a non-diversified, closed-end management investment company. It has an objective of seeking high total return with an emphasis on current income. The company was founded on November 16, 2010 and is headquartered in Dallas, TX.