RNJ Welding Ltd
More than just a weld. It's a promise of strength.
Shop and mobile welding in Calgary and surrounding area. Aluminum, stainless steel, custom builds, and heavy equipment repairs done right, every time.
Quality | Integrity | Knowledge | Safety | Innovation
Helping you build strength, not just structure.
At RNJ Welding, your project is as important to us as it is to you.
Your gear, your people, your site all depend on it. We show up ready to deliver with clean work, tight welds, and raw grit.From quick fixes to full builds, we handle it all like it matters, because it does.
This isn’t just a weld. It’s a commitment.
A Promise that it’s done once, done right, and built to last.
Our Services
Specializing in all things Metal.
.jpg)
Our highly skilled welders meticulously weld together components, ensuring precision and adherence to strict industry standards. We specialize in Heavy duty equipment repair, pipe, vessels, and structural welding.
Our skilled professionals blend technical expertise with artistic finesse to produce functional and visually appealing solutions. Precision and efficiency are paramount, as these welds often bear the weight of commerce and industry.
Our skilled welders merge function and aesthetics to provide homeowners with customized solutions. Whether it's creating a unique fireplace surround, a personalized metal art piece, a gate, or simply ensuring the structural integrity of a property, we can help you out.
Project Gallery
Our Projects
Real work. Real welds. Every photo you see is ours -
No stock, no AI, just the real RNJ Welding crew getting it done.
Aggregate System
Worked with and helped execute the design and fabrication of Aggregate system for Wayfinder Proppants fracking site.
Full Liner Repair-
Haul Truck
RNJ Welding handles full liner repairs for haul trucks — cutting out the worn steel, fabricating new panels, and welding in fresh, heavy-duty liners that can take the load. Built to haul hard and last longer.
Dozer Blade Extension
Our custom dozer blade extension, expertly designed and fabricated to your equipment. Built from top-quality materials, it guarantees durability and optimal coverage for all heavy-duty tasks. Transform your dozer's capabilities.
Scraper Repairs
Revive your scrapers with our professional repair services! We swiftly identify and resolve issues to ensure peak performance. Count on us for dependable repairs that keep your equipment operating efficiently.
Residential Piping
Welding residential piping ensures strong, leak-proof connections in your plumbing. Whether installing new pipes or repairing old ones, effective welding techniques provide lasting durability. It's essential to select the right materials and methods to meet your home's specific needs.
.jpg)
Vessel Welding
Vessel welding is a process that joins metal components to withstand high pressures and temperatures. It requires precision to create strong seams that meet safety standards, essential in industries like oil and gas and chemical processing.
Excavator Repairs
Our skilled team delivers top-notch repairs to keep your excavators running at peak performance. Trust us to minimize downtime and maximize productivity with reliable solutions tailored to your needs.
Pile Caps
Welding pile caps is essential in construction for creating a stable foundation. It ensures that loads are evenly distributed across piles, enhancing durability. Proper welding practices and safety standards are crucial for maintaining connection integrity and supporting structure stability.
Locomotive Repairs
Welding is essential in locomotive repairs, ensuring safety and structural integrity. Attention to detail and safety standards are crucial for maintaining these powerful machines.
Boiler Repairs
We provide certified welding repairs for cracked tubes, seams, and pressure parts—done safely, on-site, and to Alberta code. Fast, reliable, and built to last.
Custom Aluminum Storage Rack
Built for strength without the weight, this custom aluminum storage rack is designed to keep your gear organized, accessible, and protected. Lightweight, rust-proof, and tough enough to take a beating. Solid storage that’s built to last.
Custom Fabrication on Big Rig Race Truck
RNJ Welding brought this big rig race truck to life with custom fabrication built for power and performance. From heavy-duty welds to race-ready details, every piece was crafted to handle extreme conditions and turn heads on the track
Custom Memorial
We craft custom memorial pieces with care and precision, using welded metal to create lasting tributes that honor loved ones. From personalized plaques to artistic installations, each piece is built to reflect memory, meaning, and strength.
.jpg)
Custom Welding
If you can dream it, we can weld it. From custom art to one-of-a-kind builds, we bring your vision to life with precision, creativity, and solid steel.
.jpg)
Bucket Elevator Maintenance
We provide expert welding for bucket elevator repairs—fixing cracks, worn buckets, and structural issues to keep your system running strong and safe.
Aluminum Repairs
We specialize in aluminum welding repairs—clean, strong, and precise fixes for cracks, breaks, and worn parts on all types of aluminum components.
.jpg)
Removable Trailer Extension
Custom removable trailer extension, built to handle heavy loads, designed and made for Sambrook Builders. RNJ Welding designed and fabricated.
Why choose us?
The RNJ Difference.
We give a damn. Our name rides on every weld.
RNJ Welding- Tough, Trusted, Unmatched.
-
Relentless Expertise: Years of hands-on experience. Flawless execution. No shortcuts.
-
Dependable Every Time: Deadlines, quality, results. Consider it done.
-
Built Tough: Like our welds, we’re strong, reliable, and ready for anything.
-
Professionalism You Can Count On: We show up, we suit up, we deliver, every single time.
-
Grit & Precision: Hard work meets exacting standards. That’s how we get it right, no excuses.
-
Safety is at our core- protecting our team, our clients, and every project we touch.
Who we are
At RNJ Welding, every project tells a story of skill, dedication, and grit. We are Journeyman Red Seal welders, B-pressure certified, fully insured, WCB, and CWB-certified. We take pride in building lasting relationships, working closely with clients to ensure every job meets their vision, not just today, but for
years to come.
Steel. Sparks. Straight-Up Grind.
See it all on Instagram
22+ Years of Experience
Making your vision a reality.
Our Mission
We don’t just weld connections, we forge real relationships. In Southern Alberta, we deliver the toughest, most reliable work with precision, excellence, and safety, no shortcuts. We build lasting partnerships by getting it done right, every time. And we’re committed to shaping the next generation of welders who know what it means to work hard and deliver.
