COVID-19 Update: Trade-Mark Industrial is focused on safety first during the COVID-19 outbreak. To see all that we have in place, please read a letter from our President Russ Straus on how The Trade-Mark Group is working to keep our clients, partners and staff safe while continuing to provide essential services within our community. Click here to read more.
We're On Call 24/7 
Find a Staff Member


"They have repeatedly taken on complex jobs for us numerous times and have successfully complete[d] both Mechanical and Electrical work worth in excess of a million dollars. They are competitive and fair in their pricing."

- McMaster University

COR Certified

The process-piping, plumbing and pressure welding group specializes in industrial, commercial & institutional installations, repairs, and retrofitting of existing equipment.

We offer breakdown service 24 hours a day, 7 days a week with our experienced, qualified tradesmen who are backed by a trade background management team.

Project Gallery

  • Process Piping
  • Commercial and Institutional complete mechanical installations
  • Piping Fabrication including Skid Modular Units
  • Large and Small Bore Pipe Prefabrications and Installations
  • Steam and Thermal fluid Piping and Boiler Installations
  • Stainless Steel Piping and Tubing and Food-grade Sanitary Piping
  • Natural Gas and Propane Piping and Installations
  • Medical Gas Piping and Process Gas Installations
  • Hydraulic & Pneumatic piping and controls
  • Machinery rebuilds, including presses & injection molding machines
  • Industrial Maintenance
  • Refrigeration
  • Pipe Insulation
  • Design Build Installations
  • Backflow preventer installations and annual testing
  • Plant Maintenance Labour Supplement and Shutdown Assistance
Industries Served
  • Transportation
  • Industrial
  • Manufacturing & Assembly Plants
  • Petro-Chemical
  • Power Generation
  • Automotive
  • Steel Mill
  • Breweries
  • Food & Beverage
  • Cement & Aggregate
  • Institutional
  • Commercial
  • Energy
  • Rubber & Plastics
  • Mining
  • Fabric & Textiles
  • Marine & Bridges
  • Pharmaceutical
  • Waste Management
  • Robotics
The Trade-Mark Difference

Combining the virtually inexhaustible internal resources along with the extensive knowledge and experience that comes with a vast amount of experienced, highly technical tradespeople and a service-oriented management; Trade-Mark’s Piping Group, being TSSA registered, has the capabilities to assist any of our customers in the design and implementation of mostly any type of piping system. Trade-Mark is unique in that the company was designed to be virtually self-sufficient; right from having a tool, equipment and transportation fleet that is second to none, to the design and fabrication of systems right here in our shops.


Contact Trade-Mark for Help With Your Project

Service Areas

Based in Cambridge, Ontario, Trade-Mark is able to provide industrial piping services to key cities in south western Ontario including Guelph, Hamilton, Brampton, London, the greater Toronto area and beyond.

Mark DePass, P.Eng.

VP, Mechanical
Read Bio
With Trade-Mark since 1998. As a licensed Professional Engineer, graduate of the University of Waterloo, TSSA certified Gas fitter 2 (G2) and holding his Certificate of Qualification (CofQ) as a licensed plumber in province of Ontario, Mark combines his 22 years of hands-on experience in the mechanical industry along with his technical background to ensure Trade-Mark’s process pipefitters, steam-fitters, plumbers and high-pressure welders are leaders in the industry. In his spare time Mark enjoys many outdoor activities including soccer, cycling, and backcountry hiking and canoeing. He also stays active coaching the Fergus/Elora Special Needs Soccer Team.

Phone: 519-650-8370
Cell: 519-580-8564

Oskar Seiler

Piping Project Manager
Read Bio
With Trade-Mark since 2015, Oskar joined the company as a licensed steam/pipe fitter and has worked 50+ years in the piping industry. In addition to his wide range of experience with boiler systems, chemical piping, industrial, institutional and commercial installations, Oskar also has a vast knowledge with TSSA requirements. In his spare time, he enjoys gardening and spending time with his family.

Phone: 519-650-7286
Cell: 519-221-1263

Rob Blanchet

Piping Estimator/Coordinator
Read Bio
With Trade-Mark since 2015, Rob has been involved in the plumbing and piping industry since 1997 and is a licensed plumber, as well as a TSSA gas technician 2. He has experience in a variety of sectors ranging from commercial to institutional, waste water treatment, and industrial manufacturing (food and beverage, cement, mining and aggregates, and automotive). Rob has worked at a supervisory level since 2001 and in project management and estimating roles since 2008. Outside of work, Rob enjoys spending time with his wife and children and is an avid Montreal Canadiens fan. He also loves to travel, play golf, and go fishing.

Phone: 519-650-8385
Cell: 519-221-6714

Mark Mitchell

Read Bio
With Trade-Mark since 2002. Mark brings over 25 years of plumbing sales, product knowledge and estimating experience to the Trade-Mark piping group. With a keen eye for detail and an even temperament, he enjoys the challenge of successfully managing projects in the field while providing a calming influence in a hectic office. Mark enjoys cooking, the Who, and especially his family; he can be heard cheering his daughters on sports fields across K-W. He has been the reigning Trade-Mark tennis champion for the past seven years.

Phone: 519-650-8373
Cell: 519-591-5891