ISP GmbH – Institut für Sportstättenprüfung is an independent laboratory, based in Münster, Germany. ISP is specialised in the field of testing indoor and outdoor sports surfaces, such as synthetic surfaces, artificial turf systems, sport hall flooring systems and playground surfaces.

ISP is accredited according to ISO 17025 and by the following sport governing bodies:
• World Athletics
• Fédération Internationale de Basketball (FIBA)
All accreditations apply to our laboratory and field-testing operations.

ISP is a member of the following DIN and EN standardization committees:
• Synthetic turf areas: CEN TC 217 WG 6 and DIN 18035-7
• Synthetic surfaces: CEN TC 217 WG 6 and DIN 18035-6
• Sport halls: CEN TC 217 WG 2, DIN 18032-2, 18032-3 and 18032-7
• Test methods: CEN TC 217 WG 11