For more than 30 years, JLS has been the end-to-end partner engineering companies rely on — PCB design, sourcing, assembly and testing, all under one roof in Québec.
From a napkin sketch to a boxed, tested product — we handle every stage so you don't manage a chain of vendors.
Any size, any layer count, any complexity — for any industry.
Full turnkey procurement, fully managed and traceable.
Automated lines, expert hands, inspection at every step.
A transparent process with one accountable partner. No handoffs, no gaps.
Layout, panelization & reverse engineering.
Turnkey procurement of every part.
Automated SMT & through-hole.
Wave & reflow, RoHS or non-RoHS.
AOI & functional testing.
Enclosure, assembly & ship.
The numbers our engineering customers care about.
Multiple automated SMT lines, BGA arrays and fine-pitch placement, single or double-sided.
IPC-610 Class 2 workmanship, Automated Optical Inspection and functional testing.
Automated axial placement and manual assembly for mixed-technology boards.
Wave and reflow soldering, RoHS or non-RoHS, aqueous and no-clean chemistry.
Flexible, rigid-flex and aluminium-backed PCB constructions.
Wire harnesses, custom 3D enclosure design and 3D-printed prototypes.
The kind of assemblies that leave our Dorval facility every week.
Real assemblies built at our Dorval facility.
Independent since 1993 and still privately run, we treat your project — big or small — with the same commitment that's kept customers with us for decades.
Three decades of stability, still answering the phone in Dorval, Québec.
Design, sourcing, assembly and test — one accountable partner across the lifecycle.
In-house PCB layout, 3D enclosure design and reverse engineering of legacy hardware.
Aerospace, defense and medical work means rigor is our default, not an upgrade.
Flight-grade assemblies built to exacting traceability standards
Class-compliant builds with full documentation and control
High-reliability boards for network and comms infrastructure
Control and motion electronics, prototype to volume
Rugged boards engineered for harsh environments
Low-volume prototypes and one-off custom builds
Cost-optimized assembly that scales to production
Secure, dependable control and access electronics
Continuous investment in training, automation and inspection means every board meets the standard your industry demands.
Class 2 workmanship across all assemblies.
Compliant materials and chemistry, fully documented.
Automated optical and functional testing on every run.
A traceable, conflict-free, audited supply chain.
Certification underway — building on the quality systems we already run every day.
Gerbers, a BOM and drawings are ideal, but optional — describe your project and our engineers take it from there. We can even work from a bare board or modify Gerbers without source files.
No — we build prototypes and one-offs all the way through high-volume production runs.
An engineer reviews every request personally — most quotes go out within 48 hours.
Absolutely. Your files and designs stay confidential, and we’re happy to sign your NDA or provide ours.
Aerospace, defence, telecom, medical, industrial, transportation and more — IPC-610 Class 2 workmanship across the board.
Dorval, Québec — minutes from Montréal–Trudeau airport. Local pickup and visits welcome.
Tell us about your project and one of our engineers reviews it personally — a firm, accurate quote built around your exact specs. Uploading files is optional: send your gerbers, BOM or drawings if you have them, or just describe what you need and we’ll take it from there.
✓ Engineer-reviewed reply within 48 h · ✓ Files kept confidential — NDA available
Skilled hands keep our boards flying. If you take pride in precision work, we'd like to meet you.
Whether it's a single prototype or high-volume production, JLS is ready to be your manufacturing partner.
Questions before you send files, or just want to talk through a project? Reach us directly — we're happy to help.
Our facility is in Dorval, on Montréal’s West Island — minutes from the airport and major highways. Drag, zoom and explore the map below.