Why Select an Accredited Company?
Companies who achieve Natural Stone Institute Accreditation have proven themselves best-in-class for fabrication and installation methods in their respective disciplines. Accreditations are available for Natural Stone Fabricator, Commercial A, and Commercial B installer.
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Reduce Liability • Increase Quality • Use Qualified Labor
The standards below have been verified through a multi-step process which includes a thorough document review, written exam, and extensive on-site inspection.
Customer Service
Reputation for honest and timely communication with customers, employees, subcontractors, and suppliers
Quality Control
Fabrication and installation meet the highest levels of quality and safety
Technical Knowledge
Expertise in installation and fabrication verified through written exam and on-site inspection
Physical Facilities
Ample facilities, equipment, and materials to perform high-quality workmanship of natural stone countertops
Business Practices
Demonstrate sound business performance and trade practices
Safety
Follow the latest workplace safety regulations set by OSHA and other governing authorities
Ethics
Have proven credibility by accurately representing the company’s expertise, experience, credentials, and services
Financial Resources
Demonstrates financial stability sufficient to conduct stated business in a safe and effective manner
Human Resources
Have competent human resources for staff training and ongoing development
Similar Qualified Labor Programs
- Advanced Certification for Tile Installers (ACT)
- Five Star Tile Contractors (NTCA)
- Certified Wood Flooring Professionals (NWFA)
- Certified Tile Installer (CTEF)
- Certified Masonry Contractors (MCAA)
- Certified Quality Woodwork (AWI)
- Tile Contractors’ Trowel of Excellence (TCAA)
