AGA AB, previously AB Gasaccumulator and AB Svenska Gasaccumulator, was a Swedish industrial gas company founded in 1904.
Nobel Prize laureate Gustaf Dalén was instrumental in the success of the company.
Important inventions included the AGA cooker (later made under licence in the UK), and the Dalén light.
In 2000, AGA was taken over by Linde AG.
The above information is from Wikipedia.