- ADIPS Ltd - The Amusement Device Inspection Procedures Scheme UK
- Fabbri Rides Cyprus
- CSEI - China Special Equipment Inspection and Research Institute China
- CTS Rousselle France
- DMG Technical Ltd UK
- ECO Certificazioni SpA Italy
- JOHN H. RUNDLE Ltd UK
- LTC Ltd (UK) UK
- NAARSO National Association of Amusement Ride Safety Officials USA
- SAFETY PARKS Usa
- TUV SUD Germany
- TUV NORD Germany
- TUV NORD Holland Holland
- Troisne Inspection France