Jonathan G. Ladewig

Stifel, Nicolaus & Co., Inc. (Stifel) is a dual-registered broker-dealer and investment adviser headquartered in St. Louis, Missouri. Founded in 1890, the firm is a subsidiary of Stifel Financial Corp. (NYSE: SF), a financial service holding company. Stifel provides full-service brokerage and investment advisory services to individuals and their families, institutions and businesses, and financial advisors.

L3 Technologies, Inc. operates as a defense technology company. It operates through the following segments: ISR Systems, Communications & Networked Systems and Electronic Systems. The firm acts as a contractor in Intelligence, Surveillance and Reconnaissance systems, aircraft sustainment, simulation, training, night vision, image intensification equipment and security and detection systems. The company was founded in 1997 and is headquartered in New York, NY.

Lake Research Partners, Inc. designs survey questionnaires.

Leidos Energy & Infrastructure LLC engages in the provision of engineering solutions. It serves commercial and industrial, government, lender and developer, and oil and gas sector. The company was founded on July 31, 2003 and is headquartered in New York, NY.