Robert B. Uhler

TRC Cos., Inc. engages in the provision of technology-enabled solutions to the power, oil and gas, environmental, and infrastructure markets. It offers planning, engineering, operations support, and consulting services. The company was founded in 1961 and is headquartered in Windsor, CT.

American Battlefield Trust operates as a heritage land protection organization. It also engages in the preservation of the history of American Civil War battlefields. It provides the Hallowed Ground quarterly membership magazine, classroom resources, special events, battlefield interpretation, and landscape restoration and upkeep. The company was founded in 1999 and is headquartered in Washington, DC.

Smithsonian National Museum of American History is a museum. It collects, preserves, and displays the heritage of the United States in the areas of social, political, cultural, scientific, and military history. The company is headquartered in Washington, DC.

Smithsonian Institution operates museums and art galleries. It organizes exhibitions on art, music, television and film, science, and history. The firm also preserves and maintains cultural centers, national zoo, and research facilities. The company was founded on August 10, 1846 by James K. Polk and is headquartered in Washington, DC.

MWH Global, Inc. provides consulting, engineering and construction services to water and natural resource sector. The firm's services include climate change management; research and analytics, engineering and design, and digital enterprise services. The company was founded in 1820 and is headquartered in Broomfield, CO.

National Portrait Gallery operates as an art museum. It helps adults, families, students, teachers, and teens to learn about different portraits inside the museum. The company was founded in 1962 and is headquartered in Washington, DC.

SC Cos., Inc. provides engineering, environmental, and construction services. Its services include window and gutter cleaning, acoustical remediation, handyman/ punch-outs, duct cleaning, pressure washing, window and gutter cleaning. The company was founded in 1986 and is headquartered in Muscatine, IA.

CRB Consulting Engineers, Inc. provides consulting management services. Its services include engineering, architectural, construction and consulting services. The company was founded by Jeff Biskup in 1984 and is headquartered in Kansas City, MO.