Garry M. Higdem

As a global leader in full-service engineering, consulting, construction, and operations, CH2M HILL has the human and technical resources, the international footprint, and the depth of know-how and experience to help clients achieve success in any corner of the world.

Ashland LLC engages in the manufacture and distribution of specialty chemical solutions. It operates through the following segment: Specialty Ingredients, Composites, and Intermediates and Solvents. The Specialty Ingredients segment offers cellulose ethers, vinyl pyrrolidones, and bifunctional. The Composites segment includes unsaturated polyester resins, vinyl ester resins, and gelcoats. The Intermediates and Solvents segment produces butanediol (BDO) and related derivatives, including tetrahydrofuran and n-methylpyrrolidone. The company was founded by Paul G. Blazer in 1924 and is headquartered in Covington, KY.

APAC Holdings, Inc. provides commercial and heavy construction services as well as excavation & grading services. It also supplies the materials to make roads including asphalt, ready-mix concrete and crushed stone. The company operates 36 quarries, 93 production facilities, 31 ready-mix concrete plants, 226 hot-mix asphalt plants and a fleet of mobile equipment. It is headquartered in Atlanta, GA.

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.