Since 1939, Hamilton Construction Co. has collaborated with departments of transportation, cities, and municipalities to build our nation’s bridges, highways, fish passages, and other critical infrastructure. Excellence in project management, environmental stewardship, and partnership through alternative delivery methods sets Hamilton apart.  Hamilton operates throughout the West from regional offices in five divisions: Oregon, Washington, Alaska, Greater Western US, and Rail. Our delivery of numerous award-winning, complex projects has raised the bar for the industry’s standard of excellence in honesty, quality, and collaboration.