DOWL is a full-service engineering and related services firm offering civil engineering, surveying, water and environmental services, aviation planning, land use planning, bridge and structures engineering, and water resources expertise. The firm serves public and private clients from initial planni

Rammah Design is a Northwest MBE/DBE certified aviation consulting firm based in Portland that specializes in airport planning and airfield civil engineering. The firm bridges these traditionally separate disciplines to provide clients with long-range aviation planning strategies grounded in real-wo