They have a new report out detailing companies that make nuclear weapons - who makes them, who invests in them and how much money is involved (493 billion USD - since 2011). Financial institutions that have divested from deadly production are listed.
There are 26 companies involved in the production, maintenance and modernization of nuclear weapons: in France, India, Italy the Netherlands, the UK and the US, including Raytheon, Babcock and Wilcox, Lockheed Martin, Textron (US), Airbus Group (Netherlands), Thales (France), Walchandnagar Industries (India), BAE Systems (UK) with the largest number in the US.