List of Grand Prix motorcycle racing World Constructors champions

Columns: Constructor | Moto3 / 125cc | Total
Kawasaki | 1 | 9 | Derbi | 4 | 9 | Krauser | 9 | Kalex | 7 | Kreidler | 7 | Moto Guzzi | 6 | Gilera | 5

Example questions:
What was the founding year of the company with 4 Moto3 titles and 47 cumulative constructor titles in Grand Prix motorcycle racing ? | What is the parent company of the company with 10 Moto3 titles and 19 cumulative constructor titles in Grand Prix motorcycle racing ? | Where is the Toyko headquarters of the company with 1 Moto3 titles and 9 cumulative constructor titles in Grand Prix motorcycle racing ? | Which city did the company with 7 Moto3 titles and 38 cumulative constructor titles in Grand Prix motorcycle racing start in ?

Answers:
1955 | Piaggio | Minato | Milan