Honored for excellence by top industry institutions and publications such as Engineering News Record in the
U.S. and New Civil Engineer in the U.K., these organizations consistently rank MWH as a top firm, leading
our industry in the wet infrastructure sectors we serve.

Engineering News-Record Top 500 Design Firms Issue, April 20, 2009
#2 Top 20 - Water
#2 Top 20 - Sewer/Wastewater
#13 Top Designers - International Markets
#16 Top 500 Design Firms

Engineering News-Record Top 500 Design Firms Sourcebook, July 6, 2009
#16 Top 500 Design Firms
#2 Top 5 Hydroplants
#2 Top 15 in Sanitary and Storm Sewers
#2 Top 15 in Treatment and Desalination
#2 Top 25 in Sewerage and Solid Waste
#2 Top 25 in Water Supply
#3 Top 15 in Transmission Lines and Aqueducts
#3 Top 10 in Dams and Reservoirs
#10 Top 10 in Solid Waste

Engineering News-Record Top 400 Contractors Issue, May 18, 2009
#37 Top 50 Domestic Heavy Contractors
#42 Top 50 Contractors Working Abroad
#174 Top 400 Contractors

Engineering News-Record Top 400 Contractors Sourcebook, September 14, 2009
#174 Top 400 Contractors
#4 Top 15 in Sewerage and Solid Waste
#5 Top 10 in Sanitary & Storm Sewers
#5 Top 20 in Wastewater Treatment
#7 Top 10 in Transmission Lines and Aqueducts
#7 Top 10 in Dams and Reservoirs
#10 Top 20 in Water Supply

Engineering News-Record The Global Sourcebook Issue, December 28, 2009
#1 Top 10 in Water Supply
#1 Top 10 in Wastewater Treatment
#1 Top 10 in Sewerage and Solid Waste
#3 Top 10 in Hydroplants
#29 Top 200 International Design Firms
#33 Top 150 Global Design Firms

Top Global Firms Consultants File, NCE, March 2009
#1 Water
#5 Waste
#7 Power
#14 Civil and Structural 

Trenchless Technology Top 50 Trenchless Design Firms of 2009
#6 MWH Global