ISO 9001 gets mentioned so often it’s easy to assume it’s the only standard that matters. In practice, most industries layer a sector-specific standard on top of or instead of the general one — and picking the wrong target wastes a certification cycle.
The Standards at a Glance
| Standard | Applies to |
|---|---|
| ISO 9001 | General quality management, any industry |
| ISO 13485 | Medical device manufacturers |
| AS9100 | Aerospace suppliers and manufacturers |
| ISO/IEC 17025 | Testing and calibration laboratories |
| ISO 14001 | Environmental management systems |
| IATF 16949 | Automotive suppliers |
Why Sector Standards Exist Alongside ISO 9001
ISO 9001 sets a general quality management foundation, but industries with higher stakes — patient safety, flight safety, environmental impact — layer additional, more specific requirements on top. A medical device company typically needs ISO 13485 in addition to, or aligned with, ISO 9001, not instead of it.
How to Know Which Applies
The fastest signal is your customer base: if a major client, regulator, or supply chain partner requires a specific certification as a condition of doing business, that’s the standard to pursue first — sector requirements are usually non-negotiable in a way general certification isn’t.
Getting Certified
ASQ’s quality standards training catalog covers the latest requirements and compliance training for each of the standards above.
