Nick Hughes

Diamondback Energy Services, Inc. provides oil and natural gas exploration services. Its services include drilling, stimulation and pumping, fluid logistics, well completion, and production. The company's clients include Chesapeake Energy, EOG Resources, and Devon Energy. Diamondback Energy Services was founded in December 2005 and is headquartered in Oklahoma City, OK.

Grant Thornton LLP provides accounting, tax and business consulting services. It offers advisory, business consulting, business risk, enterprise technology and innovation, transaction services, data analytics, cyber risk, and data integrity services. The firm serves the construction, real estate and hospitality, consumer and industrial products, energy, financial services, health care and life sciences, not for profit organizations, private equity, public sector, and technology industries. The company was founded in 1924 and is headquartered in Chicago, IL.

PricewaterhouseCoopers LLC provides assurance, tax and advisory services. Its services include audit and assurance, consulting, deals, human resources, legal, tax, and family business. The firm also offers accountability, risk management, structuring, mergers and acquisitions, and performance and process improvement. The company was founded in 1998 and is headquartered in Buffalo, NY.