The Mineraloelraffinerie Oberrhein in Karlsruhe is Germany's largest refinery and one of the most modern and efficient refineries in Europe. On the 458-hectare site, around 14 million tonnes of crude oil are refined into high-quality petroleum products such as petrol, diesel, heating oil, propylene and bitumen.

Since 2006, promaintain has proven to be a reliable contractual partner for shutdown planning and turnaround management and has been involved in the work for

• Plant engineering
• Infrastructure and logistics
• Scaffolding coordination