News and Events

2021 ENR Rankings

posted 07.19.2021

2021 ENR rankings graphic

Terracon, a leading provider of environmental, facilities, geotechnical, and materials services, is committed to growth and market presence expansion as evidenced in Engineering News-Record’s (ENR) annual listings of The Top 500 Design Firms and Sourcebook rankings. We’re honored to be ranked No. 24 in The Top 500 Design Firms, and proud to be the No. 1-ranked Asbestos and Lead Abatement firm for the ninth consecutive year.

  • ENR Top 500 Design Firms: 24
  • ENR Top 200 Environmental: 62
  • ENR Top 100 Pure Designers: 12
  • ENR Asbestos and Lead Abatement: 1
  • ENR Top 20 General Building: 10
  • Telecommunications: 20
  • Education: 17
  • Multi-Unit Residential: 7
  • Retail: 4
  • Commercial Offices: 10
  • Hotels, Motels, and Convention Centers: 10
  • Distribution Warehouses: 4
  • Transportation: 38
  • Airports: 23
  • Power: 25
  • Solar Power: 3
  • Wind Power: 10
  • Petroleum: 33
  • Transmission and Distribution: 20
  • Pipelines: 17
  • Refineries and Petrochemical Plants: 22
  • Water Supply: 43
  • Hazardous Waste: 14
  • Chemical and Soil Remediation: 16
  • Site Assessment and Compliance: 8
  • Industrial Process: 32
  • Manufacturing: 34
  • Towers and Antennae: 9
  • Chemical Plants: 17
  • Data Centers: 14
  • Government Offices: 18 

Southeast Ranking

  • Top Design Firms  #7
  • Top Florida Design Firms #16
  • Top Georgia Design Firms #6
  • Top North Carolina Design Firms #12
  • Top South Carolina Design Firms #9
  • Top Alabama Design Firms #9
  • Top Tennessee Design Firms #8
  • General Building #36
  • Education/Research #9
  • Hazardous Waste #22
  • Industrial Process #10
  • Multi-Unit Residential #3

Southwest Ranking

  • Top Design Firms  #13
  • General Building #29
  • Power #6
  • Hazardous Waste #20
  • Environmental & Geotechnical Firms #5

Colorado and Wyoming Ranking

  • Top Design Firms  #10
  • Environmental & Geotechnical Firms: #5
  • Transportation #13
  • General Building #27
  • Hazardous Waste #24

California Ranking

  • Top Design Firms  #36
  • General Building #38
  • Hazardous Waste #21
  • Power #13

Texas and Louisiana Ranking

  • Top Design Firms  #8
  • Top Arkansas Design Firms #4
  • Top Louisiana Design Firms: #12
  • Top Mississippi Design Firms #6
  • Top Oklahoma Design Firms #5
  • Top Texas Design Firms #12

Northwest Ranking

  • Top Design Firms  #16
  • Top Washington Design Firms #14
  • Transportation #17
  • Education #9

New England Ranking

  • Top Design Firms  #41
  • General Building #26
  • Transportation #46
  • Hazardous Waste #10

MidAtlantic Ranking

  • Top Design Firms  #29
  • Transportation #18
  • Hazardous Waste #33
  • General Building #15

New York Region Ranking

  • Top Design Firms  #56
  • Power #35
  • Hazardous Waste #7
  • General Building #44