Founded in 1989 Keystone Lintels Limited is a leading manufacturer of steel lintels. Their range of specialist and innovative products are designed to meet the needs of every project however complex.

The short history of Keystone has been one of relentless expansion and continuous innovation whilst redefining the meaning of service in the lintel industry. Production facilities in Derbyshire, England and Cookstown, Northern Ireland provide an efficient, flexible and ergonomic working environment, which is part of the culture of quality and service at Keystone.