General Dynamics

An increasing amount of U.S. intelligence work -- including training related to aggressive interrogation methods -- is being parceled out to defense firms making Arizona's Fort Huachuca a major contracting hub.

The U.S. arms industry is backing Hillary Clinton for President and has all but abandoned its traditional allies in the Republican party. Mrs Clinton has also emerged as Wall Street's favourite. Investment bankers have opened their wallets in unprecedented numbers for the New York senator over the past three months and, in the process, dumped their earlier favourite, Barack Obama.