HDR Inc.

top 3
Ngọc Ánh

HDR Inc. is an employee-owned design firm specializing in engineering, architecture, environmental and construction services. HDR has carried out projects in 50 US states and 60 countries, including notable projects such as the Hoover Dam Bypass, Fort Belvoir Community Hospital, and the Roslin Institute Building.


HDR Inc. employs more than 10,000 professionals and represents hundreds of disciplines in multiple markets. HDR is the 10th largest employee-owned company in the United States with over $2.4 billion in revenue in 2017. Engineering NewsRecord named HDR the 7th largest design company in the US for 2019. However, in 2021, the company is expected to rank third in the world's largest architecture companies.


Services: Architecture, Planning & Consulting, Asset Management, Project Delivery, Commissioning & Operations, Real Estate, Economics & Finance, Research, Engineering, Sustainability & Resiliency, Environmental Sciences


Founded: 1917
Headquarters: Omaha, Nebraska United States
Revenue: $400-499m
Website: https://www.hdrinc.com/

HDR Inc. Website
HDR Inc. Website
HDR Inc. Design
HDR Inc. Design

Top 10 Global Architecture Firms

  1. top 1 Gensler
  2. top 2 Nikken Sekkei
  3. top 3 HDR Inc.
  4. top 4 Sweco
  5. top 5 IBI Group
  6. top 6 Aedas
  7. top 7 Perkins & Will
  8. top 8 Perkins Eastman
  9. top 9 HKS, Inc.
  10. top 10 Heerim Architects & Planners

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