3M Certified Manufacturers are authorised to provide the 3M Extended Warranty for Permanent Signage and are issued with a Certificate of Accreditation, validating their authority to provide the benefits of the 3M Extended Warranty to their customers for that year.
 

3M Diamond Grade Manufacturers are certified to use traditional sign manufacturing methods such as screen printing and multi coloured layering. 

​

As a 3M Diamond Certified Manufacturer you can trust that our signs are manufactured to the highest quality. 
 

​