£1330m BVT Surface Fleet (Glasgow & Portsmouth). Manufacture of lower stern and lower forward sections

£ 675m Babcock Marine (Rosyth). Bows; upper hull sections; final assembly

£ 425m Thales UK. Design and engineering services

£ 300m BAE Systems Submarine Solutions (Barrow). Amidships hull blocks

£ 275m BAE Systems Insyte. Design and supply mission systems

£ 800m To be competed. Upper hull sections; islands

According to a recent Parliamentary Answer, 60% of sub-contracts will be competed.

Of course, the elephant on the flight deck is the aircraft: pick a number in the vicinity of £10 billion, convert into dollars and send west!

(Data source: BVT Surface Fleet talking to Jane's Defence Weekly)