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Awards & Accreditations

In partnership with our clients, we provide best-in-class solutions. Our work throughout the water, energy and infrastructure sectors continues to be honored for its excellence by top industry institutions and publications, as does our outstanding commitment to safety.

2014  2013   2012   2011   2010   2009   2008

 2014 Industry Rankings

New Civil Engineer
#2 Top Firms in Water
#8 Top Firms in Energy
 2014 Awards
 (one or more parts of MWH are approved to one or more of the standards listed)
  • ISO 9001 - Quality Management System Standard
  • ISO 14001 – Environmental Management System Standard
  • OHSAS 18001 – Occupational Health and Safety Management System Standard
  • Investor in People