Proto Tool Company Inc
Proto Tool Co specializes in precision CNC machining, offering large CNC vertical turning up to 80" diameter, large CNC turning (32" dia. x 45" OAL), and large CNC boring mill services up to 200". Serving aerospace, defense, and automotive industries with high-quality custom machining solutions.From the company website, read October 15, 2026: prototoolco.com
| Location | Farmington Hills, Michigan |
| Website | prototoolco.com |
| Processes | CNC millingCNC turning |
| Certifications | ISO 9001 |
| Defense work | Not stated |
| Materials | Not stated on the company website |
| Equipment | Stated by the shop once the listing is claimed |
| Founded | 1988 |
| 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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