Earl J. Mitchell

CH2M HILL Cos. Ltd. provides consulting, design, design-build, operations and program management services. The company offers its services to the government, civil, industrial and energy clients. Its work is concentrated in the areas of water, transportation, environmental, energy, facilities and resources. The company was founded by Holly A. Cornell, James Howland, Burke Hayes and Fred Merryfield in 1946 and is headquartered in Englewood, CO.

Jacobs Engineering Group, Inc. engages in the provision of a diverse range of technical, professional, and construction services to industrial, commercial, and governmental clients. The firm operates through Critical Mission Solutions, and People & Places Solutions segments. The Critical Mission Solutions provides a full spectrum of cyber, data analytics, systems and software application integration and consulting services. The People & Places Solutions provides end-to-end solutions for clients' complex challenges like whether climate change, energy transition, connected mobility, integrated water management, smart cities or vaccine manufacturing. The company was founded by Joseph J. Jacobs in 1947 and is headquartered in Dallas, TX.