| Location(s) | Standard / Organization | Certificate / Registered Number (where applicable) | Accrediting / Registration Body |
| Akron, USA (Market Street) | ISO 17025 | 363.01 and 363.02 | A2LA |
| Akron, USA (S. Main St.) | FDA | FEI # 3014747009 | FDA |
| Akron, USA (Market Street - Materials Testing) | NADCAP | Certificate # 12211210120 | |
| Brimley, USA | ISO 17025 | 363.03 | A2LA |
| Lansing, USA | ISO 17025 | 363.06 | A2LA |
| Lansing, USA (Distribution Testing) | International Safe Transit Association | 2170 | ISTA |
| Leatherhead, UK (Distribution Testing) | International Safe Transit Association | 2063 | ISTA |
| Leatherhead, UK | ISO 17025 | 112 | UKAS |
| Ravenna, USA | ISO 17025 | 363.03 | A2LA |
| Ravenna, USA | ISO 17025 | 363.04 | A2LA |
| Ravenna, USA | National Tire Reference Laboratory for Rolling Resistance | - | NHTSA |
| Shawbury, UK | FDA | FEI # 3011161827 | FDA |
| Shawbury, UK | ISO 17025 | 67 | UKAS |
| Shawbury, UK (Calibration) | ISO 17025 | 306 | UKAS |
| Shawbury, UK | Category A and D Technical Service | VCA | |
| Suzhou, China | ISO 17025 | 363.05 | A2LA |
UK Quality Manager - Richard Barlow
US Quality Manager - James Littlefield
China Quality Manager -
Pharmaceutical Development Services DivisionTesting and calibration laboratories that operate under quality systems accredited by A2LA and UKAS are also operating in accordance with ISO 9001.
GCP-Compliant
CLIA-Certified
GLP-Compliant