- Mistras Group
- Fujifilm NDT Systems
- GE Measurement and Control
- NikonMetrology Inc.
- Magnaflux Corporation
- Olympus Corporation
- SGS Group
- Intertek Group PLC
- Applus Services
S.A.
- Yxlon International GmbH
- Team Inc.
- T?v Rheinland Ag
- Gould-Bass Co.
- FLIR Systems Inc.