- Fellows – FIET
- Senior Members – SenMIET
- Members – MIET
- Associate Members – AMIET
- Companions – CompIET
- Associates – AIET
- Graduates – GIET
- Associate Graduates – AssGIET
- Affiliate Fellows – Aff.FIET
- Affiliate Members – Aff.MIET
- Affiliate Firms – Aff.FirmIET