Cash stashed offshore by top 50 US companies jumps to $1.6 trillion 12 April 2017 The 50 biggest US companies, including global brands Pfizer, Goldman Sachs, GE, Chevron, Wal-Mart, and Apple, stashed $1.6 trillion offshore in 2015 – $200 billion more than the previous year - according to a new report by Oxfam.