HDR, Inc.

HDR is a global professional services firm specializing in architecture, engineering, environmental and construction services, and this listing covers its Boston office. The company works on infrastructure, buildings and energy projects for public agencies and private clients, from transportation corridors and research facilities to power substations. On large programs its role can include design, specifications, technical and risk management guidance, financial and schedule tracking, and construction management support.

Employees bought the company in 1996, and HDR remains 100 percent employee-owned, a structure the firm says shapes how people treat one another and make decisions. Recent work it highlights includes rapid work to reopen a critical corridor after a hurricane, program management for a new substation and transmission upgrades serving a Microsoft data center campus in Washington state, a retail refurbishment in London and an expanded research building. The firm also emphasizes mentorship and career growth for its staff.

What to Know

• HDR marked 30 years of employee ownership in 2026.
• On the Microsoft program, HDR served as program manager for the Chelan County Public Utility District.
• Phased construction let the Microsoft data center begin operating a year before project completion.
• HDR is headquartered in Omaha, Nebraska.