The natural stone industry’s third party verified qualified labor credential for countertop fabricators and commercial installers.

Find an Accredited Company

How to Achieve Accreditation



Design – Build Professionals

Specifying Accredited Contractors for your stonework reduces liability and ensures a quality installation.  



Home Owners

Countertops are a big investment. Don’t take a chance on a company that hasn’t verified their capabilities. 


Stone Companies

Prove that you are best in class. Win more jobs. Raise the bar for quality, safety, and customer service throughout our industry.  




Use Natural Stone

Genuine. Versatile. Unique. Durable. Sustainable. Easy to Maintain.