2021 ENR Rankings

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