Natural Stone Institute Accredited Companies

Code of Ethics for Accredited Companies

The Natural Stone Institute Accreditation for natural stone fabricators and commercial contractors recognizes those companies that meet the industry's highest standards for business activities, product knowledge, fabrication and installation. To earn Natural Stone Institute Accreditation, a company must complete an intensive, rigorous process that includes documentation of its business and employment practices, letters of recommendation, a written examination and site visits to the facility and completed jobs.

Natural Stone Institute Accredited Companies

For information on becoming accredited please CLICK HERE.