BD+C Ranks Langan in the Top 80 Engineering Firms for 2025

Building Design+Construction (BD+C) released its Giants 400 Report, ranking Langan #6 among the Top 80 Engineering Firms for 2025. The report’s 49th edition garnered submissions from more than 600 architecture, engineering, and construction firms, and includes 137 rankings across 25 building sectors and specialty categories.

Firms are ranked based on gross revenue for work completed by employees located in the United States and Canada. Langan also ranked in the following categories:

  • Top 80 Airport Facility Engineering Firms: #26
  • Top 80 Data Center Engineering Firms: #23
  • Top 80 Hospitality Engineering Firms: #5
  • Top 80 Sports Facility Engineering Firms: #5
  • Top 90 Multifamily Engineering Firms: #4
  • Top 90 University Building Engineering Firms: #12
  • Top 100 Healthcare Engineering Firms: #27
  • Top 100 K-12 School Engineering Firms: #16

Founded in 1959, BD+C is an award-winning business content platform serving the AEC industry. The media company champions innovation and technology focused on commercial, institutional, industrial, and multifamily buildings.

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