With ETIS, Millvision has two main working fields namely Environmental techniques with watertreatment technologies and Infrastructure with subsidy management.

Watertreatmenttechnology focusses on the design, the start-up, the control, the troubleshooting and the (control) training of waste water treatment plants; including sludge treatment.

Infrastructure is divided in the services project management, Design & Construct (D&C), safety advise and subsidy management.