EWOS has become more efficient in the use of marine ingredients in salmon feed such that our annual demand for these raw materials has been stable for the past 10 years, despite a large increase in annual feed production over the same period EWOS is established as a leader in feed and nutrition for aquaculture because of our commitment to innovation EWOS group sold 1,081,400 tonnes of fish feed in 2011 and had operating revenues of NOK 9,367 million EWOS operates with 20 production lines in 7 feed factories: 3 are located in Norway, whilst Chile, Canada, Scotland and Vietnam each have one factory EWOS is a business division of, a Norwegian company quoted on the Oslo stock exchange