Walsh Construction is a 115 year old family-owned business and one of the nation's largest aviation contractors. Walsh has consistently delivered successful projects including major terminal expansions at Raleigh-Durham International Airport, Sacramento International Airport, and Los Angeles International Airport. Walsh is currently ranked as the largest bridge builder in the country by Engineering News Record.

Mortenson's Seattle office is a full-service organization providing preconstruction, construction, construction management, and consulting services throughout the Pacific Northwest for over 30 years. We are currently one of the largest builders in Washington State, and since the office was established in 1982, we have completed over $4 billion worth of commercial construction in the Puget Sound area.

With offices around the globe, HOK is a world-wide industry leader in aviation architecture, having planned and designed over $14 billion of airport construction in the past 10 years, including the new Indianapolis Airport, Terminal A at Boston Logan Airport, and the Salt Lake City Airport redevelopment project, currently in progress.