| B5 | Advanced NDT Ltd
| D21 | MFE Enterprises Inc |
| D3 | Aegleteq Ltd
| C15 | Midas-NDT Systems Ltd |
| P15/P17 | AGR Field Operations
| P55 | MISTRAS UK Ltd |
| P53 | Ardrox Engineering
| P45
| MITECH Co Ltd |
| A5 | Argyll-Ruane Ltd | A9
| NDT Consultants Ltd |
P37
| ASNT
| P31
| NDT1 Kraft Ltd
|
| B17 | BINDT | A7 | Nikon Metrology UK Ltd |
P26
| BINDT Optical CM Group
| C3 | National Physical Laboratory |
D1
| Chemetall Ltd | B7 | Oceanscan Ltd |
A13
| CorDEX Instruments Ltd | B9 | Olympus
|
A15
| Crimson Industrial Vision Ltd
| P25 | Pexa Ltd |
D11
| Dantec Dynamics | B1 | Phoenix Inspection Systems Ltd |
B11
| Diagnostic Sonar Ltd & National Instruments | P33 | PMI Analytical Ltd |
| D23 | Elcometer NDT | A21 | Press Office |
D9
| ETher NDE Limited | C5 | Proceq UK Ltd |
C11/C13
| Euroteck Systems UK Ltd | P41 | QADOS |
P23
| Extende CIVA | P49 | Rohmann (UK) Ltd |
| P21 | Fischer Instrumentation (GB) Ltd | D15 | RSL NDT Ltd |
| B19 | Foerster UK Ltd | B18 | SGS United Kingdom Limited |
| C9 | Fujifilm UK Ltd | P51 | Shantou Institute of Ultrasonic
Instruments Co Ltd (SIUI) |
C19
| GE Inspection Technologies | A1 | Silverwing UK Ltd |
P35
| Gilardoni Spa | C7 | Sonatest Ltd |
D5
| Gilligan Engineering Services Ltd | A3 | Sonaxis |
B15
| Guangzhou Doppler Electronic
Technologies Ltd | C17 | Testrade Ltd |
| P3/P5/P7 | High Technology Sources Ltd | P9 | The Validation Centre (TVC) Ltd |
| P43 | ICorr | P13 | TSC Inspection Systems |
P27
| IDT Ltd | D17/D19 | TWI Ltd |
| D13 | JFIMS Ltd | C1 | Vidisco Ltd |
D7
| JME Ltd | P39 | Wardray Premise Ltd |
| P11 | Johnson & Allen Ltd | B13 | Zetec Inc |
P29
| Lanzhou Sanlei Electronics Co Ltd | B16 | Zwick Testing Machines Ltd |
B3
| Lavender International NDT | P47 | 18WCNDT |
