Tsiouvaras Simmons Holderness, Inc. Email Format

Civil EngineeringColorado, United States51-200 Employees

Tsiouvaras Simmons Holderness, Inc. (TSH) is a Colorado-based civil engineering firm founded in 2005 that focuses on transportation projects within the state. It provides bridge, highway, traffic, and hydraulic design along with construction management services for transportation work. The firm serves public sector clients, including the Colorado Department of Transportation, local jurisdictions, transit agencies, and airports.

Based in Greenwood Village, Colorado, TSH operates as a mid-sized practice that has completed numerous complex projects, contributing to its industry recognition in its early years. The firm emphasizes aligning its work with public interests and client needs, aiming to deliver projects that meet high standards.

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