Start-up of USA operations

1989

Start-up of Brazilian operations

1996

Acquisition and conversion of Argentina operations

1997

Mr. Bert Overland files patent on "Apparatus and method for bioremediation of hydrocarbon-contaminated objects" with the US Patent Office.

1997

Establishment of Germany operations through joint-venture with CB-Chemie und Biotechnologie

1999

ISO 9001 Certification of Canada operations

1999

ISO 14 001 Certification of Germany operations

1999

Start-up of Chile operations

2000

Start-up of Mexico operations

2000

Acquisition and conversion of Swiss operations

2000

U.S. Patent #6,057,147 awarded (now owned by Walter Surface Technologies)

May 2nd, 2000

Launch of Bio-Circle parts washing systems using bioremediation

2001

Launch of WalterShare! Knowledge Management initiative to build collaborative relationships throughout the company

2001

Celebration of Walter’s 50th Anniversary

2002

Bio-Circle certified by Environment Canada's 'Environmental Choice Program - Eco-Logo'

2002

SO 14 001 Certification of Germany operations

2004

Technology Innovation Award by the Wall Street Journal

2006

Launch of TWN (The Walter Network) web-TV network to enable customers to share their successes on-line through video testimonials and reports.

2007

SO 14 001 Certification of Brazil operations

2008

Bio-Circle L approved for the NSF Non-food Compounds Registration Program & EPA approval process started

2008

Completion of LEED® certified (Leadership in Energy and Environmental Design Green Building Rating System) New International Headquarters in Pointe-Claire, Quebec Canada.

2010

LEED promotes a whole-building approach to sustainability by recognizing performance in five key areas of human and environmental health:

• Sustainable site development
• Water efficiency
• Energy efficiency
• Materials selection
• Indoor environmental quality

Certification is based on the total point score achieved, following an independent review and an audit of selected credits.