Langan Engineering and Environmental Services LLC

10/29/2025 | Press release | Archived content

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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Langan Engineering and Environmental Services LLC published this content on October 29, 2025, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on July 23, 2026 at 11:05 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]