J&M Machining
J & M Machine Products specializes in precision machining of gray iron, steel, bronze, and aluminum castings, as well as steel bar stock, and brass and steel forgings. Located in Muskegon, MIchigan we serve a wide variety of industries including automotive, heavy truck, aircraft, recreational, industrial, military and petroleum.From the company website, read October 15, 2026: jmmachine.com
| Location | Norton Shores, Michigan |
| Website | jmmachine.com |
| Processes | CNC millingCNC turningWeldingCastingFinishing (anodize, plating, powder coat) |
| Certifications | ISO 9001 |
| Defense work | Not stated |
| Materials | AluminumCarbon steelStainless steelCopper and brass |
| Equipment | 4-axis, brother, cmm, doosan, horizontal machining, hurco, mazak, mori seiki, zeissMachine makers and classes named on the company website; not a full list. |
| Founded | 1950 |
| Size | Not stated |
| Lead time | Stated by the shop once the listing is claimed |
| Listing | Indexed from public sources, updated October 15, 2026 (how) |
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