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 26, 2010
#2 Top 20 - Water
#3 Top 20 - Sewer/Wastewater
#13 Top 50 Designers in International Markets
#17 Top 500 Design Firms

Engineering News-Record Top 400 Contractors Issue, May 17, 2010
#41 Top 50 Contractors Working Abroad

Engineering News-Record Top 500 Design Firms Sourcebook, July 5, 2010
#17 Top 500 Design Firms
#1 Top 5 Hydroplants
#2 Top 20 Wastewater Treatment Plants
#2 Top 25 in Water Supply
#2 Top 15 in Sanitary and Storm Sewers
#2 Top 15 in Transmission Lines and Aqueducts
#3 Top 15 in Treatment and Desalination
#3 Top 25 in Sewerage and Solid Waste
#4 Top 10 in Dams and Reservoirs
#10 Top 10 in Solid Waste
#23 Top 25 Power

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, New Civil Engineer, March 2010
#1 Water
#4 Waste
#9 Power

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