Melloy Industrial is a trusted leader in heavy industrial maintenance, turnarounds, and project execution services across Canada. As part of the PCL family of companies since 2004, we have consistently delivered high-quality services, from heavy industrial maintenance to complex capital projects, turnarounds, and emergency outages. Our commitment to excellence and safety ensures that clients in sectors such as power generation, oil and gas, petrochemical manufacturing, fertilizer production, and mining operations can rely on us for dependable, efficient, and effective solutions, no matter the challenge.

We are proud employee-owners. Employee ownership drives accountability and ensures the same level of value and quality is delivered to every project we are a part of. Our employee-owner culture means we are responsible to our shareholders, who are our employees, to retain top talent and invest in our people to promote stability, succession, and continuous improvement. 

Plan and execute are the cornerstones of our approach to delivering exceptional results, ensuring every detail is carefully mapped out to align with your goals, budget, and timeline. Once the plan is in place, we transition seamlessly into execution, bringing the vision to life with precision, efficiency, and expertise. Our commitment to both phases ensures that projects are delivered on time, within budget, and to the highest standards. Let us bring your ideas to life, with a process built on thorough planning and flawless execution.

  • Maintenance
  • Turnarounds
  • Projects
  • Procurement
  • Engineering
  • Project Management
  • Quality Control
  • Field Machining
  • Confined Space Ventilation
  • Pressure Vessel repair, alteration and fabrication
  • Planning
  • Scheduling
  • Subcontractor Management
  • Safety Management
  • Repair, Alteration, Fabrication
  • Piping Projects
  • Controlled Bolting
  • Heavy Lift/Rigging
  • Alloy Welding
  • Bundle Pulling
  • Absorbers
  • Aerial Coolers
  • Boilers
  • Burners
  • Chillers
  • Cladding
  • Cogens
  • Cokers
  • Cold Box
  • Condensers
  • Converters
  • Drums
  • Ducting
  • Evaporators
  • Extraction
  • Fractionation Towers
  • Furnaces
  • Heat Exchangers
  • Piping
  • Preheaters
  • PRV/PSV
  • Reactors
  • Separators
  • Storage Tanks
  • Strippers
  • Structural Steel
  • Towers
  • Vacuum Columns
  • Water Treatment
  • Reformers
  • Regenerators 

Safety is in everything we do, and we constantly strive to make sure every one of our workers goes home safe every day. We utilize Human and Organizational Performance (HOP) principles to create workplace safety for all employees.

At Melloy Industrial, we take pride in our industry recognition and the trust we've built with our clients. Over the years, we have received multiple industry awards including the Canadian Safety Achiemevnt Awards (CS2A), as well as client accolades, for our exceptional performance in maintenance, turnarounds, and projects. These honors reflect our unwavering commitment to quality, efficiency, and safety in everything we do. Our proven track record of success is a testament to our dedication to delivering outstanding results and consistently exceeding client expectations.

Melloy's fabrication shop is built from the ground up to deal with specialized and difficult vessel fabrication. Certified in ASME Section XIII Division 1 and Division 2, with 600+ registered weld procedures, our facility has the experience and knowledge to complete any complex fabrication project.

Melloy takes pride in building strong, lasting Indigenous community partnerships based on respect, trust, and meaningful collaboration.

As an industrial company committed to social responsibility, we continuously learn from our Indigenous partners and adapt our practices to support their unique goals and cultural values. These Indigenous community partnerships are fundamental to how we operate and grow together.

Beyond these relationships, Melloy is dedicated to community investment in all the regions where we work. Our local impact initiatives include food drives, park enhancements, book donations, charitable fundraising, and more. Through these efforts, we strive to give back consistently and meaningfully, reinforcing our commitment to the communities we serve.