FSi Engineers Employee Directory

Professional ServicesWashington, United States51-200 Employees

FSi Engineers is a professional services firm focused on mechanical, electrical, and plumbing (MEP) engineering and fire protection. Founded in 1985 and based in Seattle, Washington, the company serves clients across the Pacific Northwest to the Mid-Atlantic region, addressing design excellence and sustainability in a range of public and private sectors. Its work encompasses transit, K-12 and higher education, manufacturing, healthcare, utilities, and civic projects, with an emphasis on delivering comprehensive engineering solutions that support reliable infrastructure and efficient building systems. As a values-based organization, FSi emphasizes community involvement and high-quality design as core aspects of its operations.

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