H (8 constructors) Nation Begin in Winner World Champion 
HaasUSA2016
HallUSA1951
HeskethUnited Kingdom1974Winner
HillUnited Kingdom1975
HillegassUSA1956
HondaJapan1964Winner
HRTSpain2010
HWMUnited Kingdom1951





Constructors in activityWorld Champions in activityWorld Champion

Test cars and projects abandoned