With over 99 years of experience, we offer customized solutions with a convincing “ made in Germany” quality label.
We build low noise and low emission equipment with a long operational
life and high technical availability thus securing a reliable
performance from the very first day.
Our products confirm to the international norms, specifications and guidelines e.g. ATEX, DNV, and NORSOK. At the request of our customers our products can be submitted to independent testing by classification societies e.g. GL and DNV.
Our customers include Halliburton, Cameron and CAT Construction. KOLLER is certified under DIN ISO 9001:2008, DNV and holds the major suitability certificate (DIN 18800-7 Class E).