Gerber Engineering, Inc.

Located in Seattle, D.A. Davidson is one of the largest full-service investment firms in the Northwest. It offers investment banking services and conducts company research. The company is owned and operated by Davidson Companies, which provides a range of integrated brokerage, capital market, money and wealth management services. Davidson Companies is one of the leading regional financial services holding companies in the United States. It also supports various direct service organizations and conducts programs to promote economic independence, self-sufficiency, family strength and children s welfare. The company additionally donates a part of its profits to civic and charitable causes. Davidson Companies has various locations in California, Colorado, Idaho, Illinois, Massachusetts, Oregon and Utah.

PB, previously known as Parsons Brinckerhoff, provides strategic consulting, planning, engineering, and program and construction management services to public and private sector clients. It serves transportation, power, buildings and facilities, water and wastewater treatment, environmental, and urban and community development sectors. The company offers environmental impact assessments, geographic information systems, site remediation, solid waste management and institutional advisory services. PB also offers financial advisory, risk management, cost estimates, design project management, budget evaluations, quality assurance, design visualization and planning services. Its projects include Delhi Mass Rapid Transit System, SEREBAR Groundwater Treatment System, Los Angeles Unified School District and Detroit Recreation Department. PB has been operational for more than 120 years and maintains a location in Chicago.

Established in 1951, URS Corporation offers a range of professional planning, engineering and architectural design, environmental, construction, and program and construction management services. It also offers system integration, operations and maintenance, management and specialized technical services. With over 50,000 employees, URS Corporation maintains a global presence. It provides services to the transportation, power, industrial infrastructure and process, environmental, nuclear management, wastewater, mining, and defense and security industries. URS Corporation has the URS, EG&G and Washington divisions. The URS Division provides planning, design, and program and construction management services for all types of transportation and water resources infrastructure, as well as for health care complexes, schools, courthouses and other public buildings. The EG&G Division primarily serves government clients, including the departments of Defense and Homeland Security. Headquartered in San Francisco, URS Corporation maintains a presence in Seattle.