
NACC Certified Glazing Contractor
The NACC Certification is awarded only to glazing contractors who meet the industry’s highest standards in safety, quality, and business practices. This independent, third-party certification requires rigorous audits and ongoing compliance.
What this means for our clients:
- Verified safety and quality control procedures
- Documented project management processes
- Professionalism, accountability, and reliability
By choosing a NACC certified contractor, you are choosing a company proven to deliver projects with integrity, efficiency, and precision.
AGMT Certified Installers
Our team includes AGMT Certified Installers, the only ANSI-accredited certification for glazing technicians in North America. This program requires both written and hands-on testing to confirm knowledge, technical skill, and safety compliance.
What this means for our clients:
- Expert installation performed to national standards
- Assurance that projects meet building codes and safety requirements
- Superior craftsmanship and long-term performance
When AGMT certified technicians are on your project, you can trust the installation is completed with the highest level of skill and attention to detail.

Why These Certifications Matter
Together, NACC (company-level certification) and AGMT (installer-level certification) set us apart in the glazing industry. This dual commitment demonstrates that we don’t just meet expectations — we exceed them, providing unmatched quality from planning to final installation.
At TGR Enterprises, these certifications are more than credentials. They are a promise to our clients: your project will be completed safely, efficiently, and with the highest level of craftsmanship in the industry.