| Company name | Company reg number | SME/VCS | VCS reg number | Postcode |
|---|---|---|---|---|
| Concept Engineering Consultants Limited t/a/ Concept Site Investigations | 03401367 | SME | W13 9SJ | |
| Nicholls Colton & Partners | 5605955 | SME | LE1 4DH | |
| Simtec Materials Testing | 06401491 | SME | LE7 3XD | |
| SOCOTEC UK Limited | 02880501 | DE15 0YZ |