Industry Involvement & Certifications
Industry Involvement
Walters is actively involved in a number of steel and construction associations. We have built strong relationships with members across all associations and are frequently asked to speak at events.
- Canadian Construction Association (CCA)
- Toronto Construction Association (TCA)
- Association for Iron & Steel Technology (AIST)
- Canadian Institute of Steel Construction (CISC)
- American Institute of Steel Construction (AISC)
- Hamilton Halton Construction Association (HHCA)
- Steel Plus Network
- Council on Tall Buildings and Urban Habitat (CTBUH)
- Supporting Ontario’s Safe Employer Program (SOSE)
- Construction Safety Research Alliance (CSRA)
- Canadian Welding Bureau (CWB)
Certifications
We work in an industry where construction and safety standards are important. We have certifications in a number of areas that give our clients assurance.
- COR® 2020
- Hamilton Halton Construction Association (HHCA)- Health & Safety Achievement
- ISO9001:2015 – Comprehensive Quality Management System
- ISO 14001:2015 – Environmental Management Systems
- ISO 45001:2018 – Occupational Health & Safety Management Systems
- American Institute of Steel Construction (AISC) Quality Certification – Building Fabricator
- American Institute of Steel Construction (AISC) Quality Certification – Bridge Fabricator – Intermediate
- American Institute of Steel Construction (AISC) Quality Certification – Building Fabricator Complex Coating Endorsement 1
- Canadian Standards Association (CSA) Certification of Companies for Fusion Welding of Steel: Hamilton, Princeton and Stoney Creek
- Canadian Standards Association – Standard W47.1 for Fusion Welding of Steel in Division 1
- Canadian Institute of Steel Construction (CISC) Certification for Steel Building Structures
- Canadian Institute of Steel Construction (CISC) Certification for Complex Steel Bridges
- Recognized Safe Employer by Ontario’s Chief Prevention Officer
- American Institute of Steel Construction – AWS D1.1 Structural Welding – Steel – Fully certified to AWS D1.1 and a professional member
- American Institute of Steel Construction (AISC) Certification, achieved in 2007

About Us
- Our Team
- Leadership Group
- Walter Koppelaar
- Peter Kranendonk
- Mark Koppelaar
- Walt Koppelaar
- Tim Verhey
- Edward Lacroix
- David Pisacrita
- Natalia Strelbytsky
- Claudio Calogero
- Sam Barrett
- Tim Heffner
- Tim Verhey Jr.
- Aaron Bean
- Management Group
- Chris Beach
- Lynne Berkin
- Greg Kern
- Ryan Maguire
- Albert Marskamp
- Jeff Tyers
- Chris Van Houten
- Cynthia Emili
- Yasser Elmasri
- Michelangelo LaSelva
- Ryan Koppelaar
- Kevin McElhone
- John Vanderhorst
- Rak Ramachandra
- Mark Nywening
- Bryce Mesley
- History
- Locations
- Values in Action
- Industry Involvement & Certifications
- Reports
- Contact Us