✔ 最佳答案
Airbus employs around 57,000 people; while Boeing employs around 156,000 people worldround.
圖片參考:
http://upload.wikimedia.org/wikipedia/en/thumb/f/fe/Airbus_Logo.svg/151px-Airbus_Logo.svg.png
In this kind of mega size corporations there are hundreds of subsidiaries with size bigger than many listed companies in HK. Every subsidiary has different structure and departments so your second question has not straight forward answer.
圖片參考:
http://upload.wikimedia.org/wikipedia/en/thumb/b/b5/Boeing-Logo.svg/240px-Boeing-Logo.svg.png
For details of each company you can check this links:
http://en.wikipedia.org/wiki/Boeing
http://en.wikipedia.org/wiki/Airbus