Leamington CNC Machine Shop for Reliable Production Runs

Your projects deserve precision, efficiency, and reliability,

Stop worrying about missed deadlines, inconsistent quality, or unreliable suppliers.
We deliver batch production and custom machining solutions across Canada and the U.S., so your parts are on time, on spec, and ready to scale.

Start your project Our work in action

Production Line Improvements & Equipment Optimization

Custom Machining

Fabricating and Welding

A Partner who
gets batch Production

Your machine can’t ship until the parts show up right. Custom Concepts Machining is a CNC machine shop in Leamington, Ontario that makes repeat parts for machine builders, OEMs and production plants across Canada and the United States. We run batches of 50 to 500+ identical parts, set up the same way every time, so your third order matches your first.

Machinist at work on the Custom Concepts CNC machine shop floor

Trusted by Businesses that can’t afford to compromise.

Missed deadlines, tolerance drift and suppliers who go quiet until ship day cost you more than the part itself. We fix that with one shop, one team and direct contact with the owner from quote to delivery.

Parts that meet your exact specifications

Open communication from start to finish

Reliable delivery with no last-minute surprises

CNC lathes and machining centres on the floor of the Custom Concepts machine shop

See What we can do Start Your Project Our Work in Action

How a Job Moves Through the Shop

Connect with us

Send drawings, models, photos or the part itself.

Plan it Together

We review material, quantity and timeline, then send a written quote.

Build & Deliver

We run a first article, check it, then run the batch and keep you updated until the parts ship.

Start Your Project

Inside the 4,000 Square Foot Shop

Our Leamington shop pairs modern CNC equipment with manual machines. Twin-spindle CNC lathes with live tooling mill and drill a part in one setup, which cuts handling and keeps features in line. Our multitasking lathe runs unattended through a shift with the bar feeder loaded, so long runs keep moving after the lights go off. CNC mills handle plates, blocks and housings, and the manual mill and lathe cover one-off repairs.
We check parts with in-house inspection tooling and hold tolerances of half a thou to a thou (0.0005″ to 0.001″) where the drawing calls for it. When a fit needs testing before we cut metal, we print a trial piece in plastic or nylon composite and check it first.
We machine steel, aluminum, stainless steel, alloy steels, titanium and most engineering plastics, including UHMW.

What Our CNC Machine Shop Makes

Most of our work is parts that keep other people’s machines running. Engineers and procurement managers send us a drawing, a SolidWorks file or a worn part, and we send back finished parts that drop into place.

Batch production of 50 to 500+ units to the same drawing
Custom machining of brackets, shafts, bushings, couplers, fixture plates and mold components
OEM parts manufacturing for machine builders who need repeat components
Emergency runs of 2 to 20 pieces and industrial maintenance when a production line goes down
Reverse engineering of worn, broken or discontinued parts
Welding and fabrication for frames, guards, tanks and assemblies
CAD design in SolidWorks, with Mastercam toolpaths built in-house

Recent Work From the Shop Floor

A label printing customer needed a spare kick-out arm assembly, so a worn unit would never stop the press. We machined the components and built the spare, along with rocker jogger blocks for the same printing line. Now a worn part means a swap, not a shutdown.

Another customer sent a 50-part production run. The parts shipped on schedule and matched the drawing, which is the whole job. Other recent work includes clamp blocks for an automated assembly cell and components for a flip-up conveyor.

Industries We Serve

Our customers build and run equipment in agriculture, greenhouses, food processing, automotive, packaging and label printing, tool and die, tool and mold, and automation. Many of them are small and mid-size machine builders who need a steady supplier for the same parts every month or quarter.

Serving Windsor-Essex and Beyond

Local customers in Leamington, Kingsville, Essex, Windsor, LaSalle, Tecumseh and Chatham-Kent can drive over with a worn part and talk to the people who will make the replacement. For batch production, we ship across Ontario, the rest of Canada and the United States. A North American shop means shorter lead times than overseas suppliers and no ocean between you and your parts.

Why Machine Builders Stay With Us

Once we set up your part, we save the program and the setup. Your next order runs the same way, so the parts match without you having to chase anyone. Owner Jeff Preston handles quotes and customer relationships directly, and the shop has been making parts since 2011.