Environmental Commitment

The Keystone Group – Keystone Lintels Ltd/IG Lintels Ltd in Cookstown Northern Ireland are the leading steel lintel manufacturer in the UK and Ireland. Offering a range of standard and custom made steel lintels from our site in Cookstown Northern Ireland & Swadlincote South Derbyshire.


The Keystone Group is committed to the continual improvement of All Environmental Issues and the protection of the Environment. We can assure our customers, shareholders, employees, local residents, regulators and local authority of our continual commitment to Environmental improvements.