See Unilever
1981 Unilever merged T. Wall and Son (Ice Cream) with Birds Eye Foods to form Birds Eye Wall's Ltd. Following a review of production facilities, the Gloucester factory was expanded and updated, and the Acton factory was closed ("Project Phoenix" 1983).
2003 Renamed Unilever Ice Cream and Frozen Food Ltd
2006 Renamed Birds Eye Ltd
2009 Birds Eye was acquired by Pinnacle Foods