Precision drives performance.
Precision machined components for truck, bus and automotive programs
Rassey Industries machines castings, forgings, bar stock and fabrications into finished components and assemblies for Tier 1 and Tier 2 suppliers, in low and high volumes.
Machined from castings, forgings, bar stock and fabrications
We turn, mill, grind, broach and hone parts such as flanges, shafts, housings, links and bushings, then inspect and ship them ready for assembly. Our versatility lets us run prototype quantities and high-volume production on the same floor.
Capabilities
More than 90 pieces of production, inspection and support equipment under one roof in Shelby Township, Michigan.

CNC turning
21 machinesBar-fed, gantry-loaded, twin-spindle and live-tool lathes up to 18" diameter.
CNC machining centers
2 machinesVertical machining up to 41" x 22" x 20" travels.
Precision grinding
9 machinesCenterless, O.D., internal, surface and double-disk grinding.
Honing
3 machinesAutomatic Sunnen hones for precision bores.
Broaching and boring
3 machinesInternal splines, keyways and finished bores.
Saw cutting and blanking
8 machinesSolid bar to 5.1" and production tube cutoff to 8" OD, also offered as a blanking-only service.
Inspection
6 machinesTwo CMMs, optical comparator, hardness testing and SPC.
Quality built into every process
IATF 16949:2016 procedures run through all of our manufacturing processes. Advanced quality planning, statistical process control and a full in-house quality department keep every part to print.
- IATF 16949:2016 certified
- Valeo 1000 approved and P.Q.A. certified
- Incoming, in-process and final inspection on all products
- Statistical process control on every process
Supplied complete
One supplier, from raw stock to finished part
We work with reliable local vendors who are ISO and IATF certified for heat treating, plating and coating, and grinding. We manage those outside operations for you, so your part arrives finished, inspected and ready to install, with one supplier accountable for all of it.
- 01
Machined at Rassey
Turned, milled, broached, honed and ground in our IATF 16949 plant.
- 02
Heat treating
Heat treated to your print specification by certified local heat treaters.
- 03
Plating and coating
Plating and protective coatings to your specification from certified local vendors.
- 04
Grinding
Finish grinding, including after heat treat, through certified local grinding vendors.
- 05
Inspected and shipped
Final inspection at Rassey, then packed and delivered complete.
Certified local vendor (ISO / IATF), managed by Rassey
Trusted by vehicle makers and their suppliers
Quality workmanship, on-time delivery and fair pricing have kept us working with companies including:
General Motors
Ford Motor Company
Stellantis – Chrysler
Dauch – American Axle
Magna
Dana
Eaton
Timken
Valeo
Volvo Trucks
Mack Trucks
Prevost
Nova Bus
Motor Coach Industries
Workhorse Custom Chassis
Supply Technologies
Facil NA
Michigan Production Machining
Diamabrush
Walor – Hirschvogel

In the heart of Metro Detroit
Our plant is on Central Industrial Drive in Shelby Township, 23 miles north of downtown Detroit and close to M-53. We also maintain sourcing partnerships in Asia, Europe, South America, Mexico and Canada, plus warehousing and distribution support for customer programs.
Have a print you’d like quoted?
Send us your drawing, annual volume and material. Our team will review it and get back to you.












