Philip D. Egan

The American Society of Civil Engineers, founded in 1852, is the oldest national engineering society in America. The non-profit company is based in Reston, VA and has subsidiaries in the United States. With over 150,000 members worldwide, the organization advocates for sustainable and resilient practices to maintain and modernize the nation's infrastructure. The company also works to increase investment in infrastructure and improve engineering knowledge and competency. The society's Civil Engineering Landmark Program recognizes historically significant civil engineering projects, structures, and sites.

Leonard Valve Co. Llc manufactures and wholesales thermostatic mixing valves. The company was founded in 1911 by Frederick C. Leonard and is headquartered in Cranston, RI.

Tensar International Corp. manufactures and supplies retaining walls, ground stabilization, and soil reinforcement solutions. Its products include Sierra slope retention system, Tensar temporary retaining wall system, Dimension and Prism foundation improvement system, ADD3 capacity improvement systems, Tensar georids, mining system, and Spectra rail railway improvement system. The company was founded in 1988 and is headquartered in Alpharetta, GA.

The Reinforced Earth Co. designs and supplies retaining wall systems. It also provides reflective and absorptive sound walls, precast arches and slope stabilization systems. The firm's products include Tech Span, Terratrel, GeoMega, FanWall and TechWall. Its services include feasibility studies, preliminary design, final design, onsite construction and project management. The company was founded in 1957 and is headquartered in Reston, VA.

Tensar Corp. LLC provides site development solutions. The firm offers customized, technology-based solutions for common site development applications. Its products include Tensar Geogrids, Geopier Rammed Aggregate Piers, and North American Green erosion control products. The company was founded in 1983 and is headquartered in Alpharetta, GA.