Founded in 1913, HR Green is one of the nation’s longest-operating civil engineering and consulting firms. The company provides engineering, planning, technical, and management solutions that help public and private clients build resilient infrastructure and thriving communities. With more than 700–750 employees across 20+ offices in 10 states, HR Green supports projects in transportation, water, wastewater, broadband, land development, municipal services, environmental services, construction, and infrastructure funding. Privately held and employee-owned, HR Green focuses on long-term client relationships, practical innovation, and solutions that “build communities and improve lives.”

HR Green, Inc. is a privately held, employee-owned civil engineering and consulting firm that has served communities across the United States continuously since 1913. From its headquarters in Cedar Rapids, Iowa, the firm has grown to more than 700 employees and 20+ office locations, partnering with both public and private sector clients.

HR Green’s professionals deliver a comprehensive range of services, including transportation engineering, potable water and wastewater solutions, water resources, broadband and fiber planning and design, municipal and governmental services, land development, environmental services, construction engineering, geospatial and GIS, and infrastructure funding support.

Consistently ranked among ENR’s Top 500 Design Firms and recognized as a Great Place to Work™, HR Green combines technical excellence with a collaborative culture focused on client success. Guided by the mission “Building Communities. Improving Lives.” the firm emphasizes resilient, sustainable infrastructure, data-driven planning, and long-term partnerships that deliver measurable value for cities, utilities, developers, and infrastructure owners nationwide.

Keywords: civil engineering, civil engineering firm, engineering consulting, infrastructure consulting, transportation engineering, water engineering, wastewater engineering, water resources, broadband engineering, fiber design, municipal engineering, land development, environmental services, construction engineering, geospatial, GIS, infrastructure funding, planning, sustainability, resiliency, Cedar Rapids engineering firm, national engineering firm.

Hour: Monday–Friday: approximately 8:00 a.m. – 5:00 p.m. (local time, by office), Saturday–Sunday: Closed


Year of Est.: 1913

No. Of Employees: More than 700–750 employees nationwide

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