Darren K. Shade

Drilling Specialties Co. is engaged in the operations of a downstream energy company, with Refining and Marketing (R&M), Midstream and Chemicals businesses. It engages in power generation activities, lubricants and other specialty products businesses. Its Chemicals business is conducted through Chevron Phillips Chemical Company LLC, one of the producers of olefins and polyolefin. The company's history roots back to 1875 with predecessor companies It was founded on April 30, 2012 and is headquartered in Houston, TX.

Ernst & Young LLP engages in the provision of accounting, assurance, tax, transaction, and advisory services. It specializes in the actuarial, analytics and big data, cyber security, accounting compliance and reporting, center for board matters, international financial reporting standards, country tax advisory, global trade, tax accounting, and climate change and sustainability. The company was founded in 1989 and is headquartered in New York, NY.