Lennon Quarries Limited has established itself as a leading contractor in the building and construction industry
Concrete: Specification, Performance, Licence to use the Irish Standard Mark
Production and Conformity
![Certificate to use Irish Standard Mark](http://lennonquarries.com/wp-content/uploads/2020/03/IS-EN-206-CERT-1_edited-1-216x300.png)
![SR-21-Stone-Cert](http://lennonquarries.com/wp-content/uploads/2020/03/SR-21-Stone-Cert-copy-211x300.png)