Natural Stone Institute Accredited Member Search
There are three different Accreditation designations which have verified best practices in the following:
- Heavy Commercial: Accredited Commercial A Contractors specialize in large-scale engineered high rise cladding.
- Light Commercial: Accredited Commercial B Contractors specialize low rise cladding and interiors. Commercial A Contractors are also qualified for this work.
- Countertops: Accredited Fabricators specialize in countertops and other non-engineered residential or commercial interiors.