The House
of NIRO.
What started as one diesel mechanic with a service van in 2005 has grown — quietly, deliberately — into one of Ontario's most respected mobile workshops for heavy industry.
We are not the largest service company in Ontario. We are, by deliberate design, the most dependable one inside our discipline.
We built NIRO around a belief that the heavy-equipment industry deserved a service partner that actually showed up — on time, with the right parts, and finished the job in a single visit.
Twenty years of that discipline has produced a client list that has never had to call anyone else. That is the only metric we track.
The machines are bigger. The systems are more complex. The standard is the same.
Two decades, measured.
NIRO begins as a one-van mobile diesel operation.
A founding technician, a single service vehicle, and a list of clients built one referral at a time across the GTA.
First workshop opens in North York.
Permanent bays, lift equipment, and a dedicated hydraulic press — the start of in-house overhauls.
Hydraulic & electrical divisions formalized.
Specialized technicians and a calibrated test rig let us guarantee work that competitors were still subcontracting.
Fleet expanded to four mobile service units.
Full coverage from Hamilton to Barrie, with each unit equipped for 80% of jobs without returning to the workshop.
500+ completed projects logged.
A digital service record now follows every machine we touch — failure modes catalogued, parts pre-staged.
Twenty years and still independent.
No acquisitions, no franchise, no head office in another time zone. Just the same standard, on call.
Six principles, in writing.
One visit, done.
We stock the part, we bring the tool, we finish the job. Multi-visit repairs are the exception, not the workflow.
Transparent hours.
Labour billed against documented work, not padded estimates. The clock starts when we start, and stops when we stop.
Senior only.
Every diagnostic is performed by a technician with at least eight years on heavy equipment — never an apprentice alone.
OEM parts.
Aftermarket only when the client specifies it, and clearly noted on the invoice. No surprises in six months.
Documented everything.
Photographs, torque values, pressure readings — all archived per asset, available on request.
Pick up the phone.
No ticket queues, no menus. A senior technician answers — including on statutory holidays.
The people behind the work.
Senior Diesel & Mechanical
Lead Technician
Twenty years on Liebherr, Komatsu and Caterpillar. The first call on any difficult diagnosis.
Control Systems & Electrical
Electrical Specialist
Specialist in heavy-equipment control systems and electrical refits to Ontario MOL standards.
Dispatch & Field Coordination
Operations Manager
Routes our four mobile units, takes the 3am call, and keeps your downtime measured in hours, not days.