The main manufacturing and UK headquarter facility is based near Barnsley, England with other strategic operations in the United States, Canada, Ireland, France, Italy, Sweden, Denmark, Australia, New Zealand, and South Africa.

Thornhill's success is forged from "The Thornhill quality".

To produce a superior gasket you must have a quality tool. This is exactly the reason why Thornhill invests extensively to create an in-house engineering department with state of the art computerised equipment.

"The Thornhill Quality" is further enhanced by our commitment to personnel training, providing a highly skilled workforce well prepared to make the best use of the facilities available to them.

Over the years Thornhill has gained an enviable reputation for manufacturing the highest quality gaskets in the world.

"Quality Assurance" is not a statement. It is a way of life at Thornhill.

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