Refrigeration Technician. Welcome to AGS. >. Alaska Glacier Seafoods (AGS) is a family owned and operated fish processing company located in our beautiful state capital of Juneau, Alaska. AGS has been processing and shipping high quality, wild caught fresh and frozen seafood since 1996. AGS processes Halibut, Salmon, Rockfish, True Cod, Blackcod, Sea Cucumbers, Crab and Shrimp, which is packaged and shipped worldwide. AGS has the rare ability to ...