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Civil EngineeringWashington, United States501-1000 Employees

DOWL is a civil engineering firm based in Bellevue, Washington, offering planning, surveying, civil and transportation engineering, and environmental services to public and private clients. With more than six decades in operation, its professional staff is a key differentiator, consistently meeting client expectations and supporting the firm’s standing as a leading western provider in its fields. The company’s work spans a geographic range from the Arctic Ocean to the Rio Grande.

DOWL delivers a broad mix of civil and structural engineering and related services, including facility site planning and design, roadways, highways, airfields, and trail systems, bridges and structures, water and wastewater systems, environmental documentation and permitting, water rights planning and design, and materials testing. The firm serves both public and private clients, reinforcing its role as a comprehensive engineering partner across the western United States. In 2025, the firm announced the appointment of Amy Essig as Pacific Northwest environmental business lead.

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