Trondheim, Norway-based recirculating aquaculture system (RAS) technology company Nofitech on Thursday announced it acquired two new RAS-focused technology companies.

Nofitech, which supplies standardized and compact RAS concepts, acquired Denmark-based CM Aqua, which specializes in water treatment, and Germany-based Ratz Aqua, which specializes in RAS filters.

The combined four owners from the two companies will become shareholders in Nofitech through the transaction.

The acquisitions are just the latest steps in Nofitech's expansion. In May of last year, the company acquired Aqua Innovation, which specializes in creating RAS piping systems.

"The fact that a Norwegian RAS company is expanding is good for the industry and good for Norway," Norfitech CEO Robert Hundstad told IntraFish.

The company was awarded a contract last year in Japan to construct a new facility for rainbow trout outside of Tokyo. The capacity of the RAS facility is 500 metric tons, with an average slaughter weight of 3 kilograms.