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The USA (GE, Pratt & Whitney), Russia (NPO Saturn, Klimov), France (Snecma) and the UK (Rolls Royce) are the only countries that have aircraft jet engine manufacturers. What factors might contribute to the reasons that there are no German, Canadian, Israeli, Spanish or Italian companies doing this?

I heard the allied countries of WW2 captured German engineers and developed their industries.

Is there any documentation in the final treaties to indicate that this might be connected to WW2 somehow?

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closed as off topic by American Luke, Russell, Yannis Rizos, coleopterist, choster Dec 4 '12 at 14:58

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It is not necessarily the question of being able to, but also of willing to invest the money to bother doing so when buying from those listed is cheaper. –  DVK Nov 3 '12 at 21:07
    
Agree with @DVK. And in the case of Germany, it should probably be 'no longer bother', as they had the first working jet fighter aircraft –  Clockwork-Muse Nov 5 '12 at 20:55
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List of aircraft engine manufacturers - The list isn't as limited as you seem to think. A prominent example is Kawasaki Heavy Industries (since you seem to imply that the losing side of WW2 somehow stopped producing jet engines). –  Yannis Rizos Nov 7 '12 at 22:21
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@YannisRizos You might want to consider converting your comment to an answer. I'd upvote it. –  American Luke Nov 10 '12 at 1:59
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@YannisRizos and partially Luke, the list of aircraft engine manufacturers is not the same thing as the list of aircraft jet engine manufacturers. Jet engines are much harder to produce and are also more costly to produce, and so it would be inaccurate to use the list you mentioned. –  Reliable Source Nov 28 '12 at 1:11

1 Answer 1

The premise of your question is false. Here's a brief (and incomplete) list of current jet engine manufacturers:

I have no idea why jet engine manufacturing (or lack of) would be connected to WW2, at least in the way you seem to imply. In any case, several companies that are based in the losing side of WW2 are key players in aerospace and if they build rockets, satellites and space station components, who cares if they are building jet engines or not.

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