Michelin Group, ( A subsidiary of the French tire company Michelin et Cie), owns and operates the Uniroyal Goodrich Tire Company which manufactures the Uniroyal tire line.
Uniroyal have an excellent reputation as good tires.
Gas has compression propety in it which makes it suitable for car tyres. When there is pressure on tyres while riding then tyres can shape themselves according to the roads when there is gas in it. And dude you have spelled tyres incorrectely
In May 1990, The Michelin Group purchased Uniroyal.
Dunlop is owned by Goodyear
UniRoyal's headquarter's are currently located in Middlebury, which is in Connecticut , United States of America. Prior to 1967 UniRoyal was known as United States Rubber Company.
Altenzo tyres are made by the PDW GROUP.
Sumitomo Rubber Industries is a part of the Sumitomo Group which makes the Vanderbilt tyres.