From emergency shutdowns to capital projects, we keep plants running for industry leaders like Stelco and Apotex.
50+
Years Experience
100+
Tradespeople
12
Industries Served
24/7
Emergency Response
Trusted by Industry Leaders
What We Do
From routine maintenance to multi-million dollar capital projects, our workforce of 100+ skilled tradespeople delivers excellence across every discipline.
Millwrighting, piping & duct work. Equipment installation & plant maintenance.
Power distribution, automation & PLC programming, facility & equipment upgrades.
Process piping fabrication. Mild steel, stainless steel & aluminum. Custom forming & rolling.
Full service, benchmarking & preventative maintenance scheduling. Training & consulting.
Overhead crane, forklift, MEWP, lockout/tagout. Your facility or ours.
Let's discuss your project requirements.
Proven Results
Real solutions for real challenges. Here's how we've helped industry leaders keep their operations running.
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Global Carbon Black Manufacturer · Hamilton, Ontario
Challenge
Complex brownfield upgrade requiring demolition of existing stacks and installation of 140 tons of structural steel during a critical facility turnaround.
Outcome
Massive emission control infrastructure delivered on-schedule, meeting strict TSSA piping requirements and shut-down deadlines.
Major Ethanol Producer · Aylmer, Ontario
Challenge
Full-scale integration of new dehydration technology within a Class 1 Zone 2 hazardous location, requiring seamless coordination across four distinct trades.
Outcome
Successful deployment of energy-efficient technology with complete TSSA & ESA certification and zero safety incidents in a hazardous zone.
Global Wallboard Systems Leader · Ontario
Challenge
Execute a complete demolition and rebuild of dryer top steel and insulated ductwork during a strict 11-day plant shutdown window.
Outcome
Critical process heating zones restored and commissioned within the non-negotiable outage schedule.
Major Construction Materials Manufacturer · Wheatland County, Alberta
Challenge
Fabrication, assembly, and testing of a critical grinding mill system requiring precision alignment of heavy drive components and full-penetration CWB structural welding.
Outcome
Delivered a fully tested, production-ready heavy industrial asset to the client's Western Canadian facility.
National Building Products Manufacturer · Ontario
Challenge
Structural rehabilitation of a critical reclaim conveyor system involving hazardous material handling (lead paint abatement) and complex access requirements.
Outcome
Extended the service life of critical material handling infrastructure while maintaining strict environmental compliance.
Recognized Excellence
Construction Category Finalist
Health & Safety
Being selected as one of Canada's safest employers doesn't just happen—it takes dedication from every level of our organization. Our focus is on building a lasting and continuously improving culture that strives to provide the safest possible working environment for our employees and customers alike.
0
Lost Time Incidents (2024)
100%
Safety Trained Staff
Why Rassaun
Half a century of quality, commitment, and innovation. Built on family values, trusted by industry leaders.
Our workforce includes 100 tradespeople from across disciplines – welders, millwrights, pipefitters, electricians, and more. From multi-million dollar projects to routine maintenance – Rassaun can handle it.
Our mobile field app allows our employees efficient access to resources, paperwork, and equipment management. Our platform also allows us to dive deep into analytics to reveal trends that make our operation more efficient – saving you money.
At Rassaun, we focus on creating a customer, not a sale. A solid, trusting relationship with our customers is the foundation this company was built on.
We do it right. Every bolt, every weld, and every project is completed with unwavering quality, and exacting specifications.
Our maintenance crews strive to learn your facility and processes with a genuine curiosity born out of our desire to provide top notch service.
You don't make it 50 years in this business without showing up and delivering for the client. Every. Single. Time.
Ready to experience the difference?
Start Your ProjectTestimonials
“Your people have become an intrinsic part of our environment, and their commitment to provide excellent service, as well as the quality of the workmanship is second to none.”
Maintenance Manager
Steel Processing Facility · Hamilton, ON
“I would like to take this opportunity to thank you and your wonderful people for your spotless performance and safety record during our annual turnaround. It is well known by us that in the last years our cooperation has continually grown, and we are looking forward to maintaining this trend in the years to come.”
Turnaround Coordinator
Petrochemical Plant · Nanticoke, ON
“It pleases all of us here when a contractor not only performs well and gets the job done, but does it safely. Rassaun always acts in a responsible and professional manner. They care about the job they are doing for us.”
Operations Director
Pharmaceutical Manufacturer · Toronto, ON
“At every stage of the project, Rassaun Services Inc., met their target dates and continually demonstrated pride in workmanship. This pride is passed from Rassaun's foreman to their employees because of their desire to provide the best possible service. They go the extra mile.”
Plant Manager
Food Processing Facility · Hamilton, ON
“Rassaun went above and beyond to get us the resources we needed to not only get started on the gear tear down but also to shift resources and help with other major shutdown work. When we found we'd broken our 20 ton trunnion brass bushing on a Friday afternoon, once again Rassaun mobilized to have a spare built and ready to go 24 hours later.”
Maintenance Superintendent
Automotive Parts Manufacturer · Woodstock, ON
“We have had nothing but compliments from all who have seen the installation. Especially impressed, have been our companies' personnel from outside the plant. The quality of work was top notch and your efficiency was excellent.”
Facilities Manager
Carbon Products Facility · Hagersville, ON
Industries
From agriculture to utilities, we bring specialized knowledge and proven solutions to the industries that power our economy.
Don't see your industry? Contact us – we likely have experience in your sector.
Pre-Qualified & Compliant
ISNetworld
Verified
Avetta
Verified
CWB
Certified Welding
TSSA
Compliant
ESA/ECRA
Registered
The beginning of your next capital project or the solution to your maintenance headaches is just a click away.