08/26/2026
If you have ever compared machine shops, you have probably run into a wall of acronyms: ISO, AS9100, ASME, NAVSEA, NADCAP. It is easy to assume they all mean roughly the same thing, or to tune them out entirely. But certifications are one of the clearest ways to tell exactly what a shop’s expertise’s are, if you know what they actually stand for. Here is a plain-language guide to the machine shop certifications that matter most, and why they belong in your decision.
Here is a plain-language guide to the machine shop certifications that matter most, and why they belong in your decision.