stravers@stknl.com   |   +31 (0)413 25 72 11

Certificates

Safety first.

STK prides itself on being one of the safest tower crane companies in the world. In 2004 we were the first tower crane rental company in the Netherlands to receive the SCC* Certificate, and in 2012 we were proud to receive the SCC Petrochemical Certificate. Additionally, in 2021 we received the ISO 9001:2015 Certifiticate for quality management.