KOR‑Glass installs custom specialty doors for commercial properties throughout Ontario, CA, and neighboring communities like Fontana, Chino, Riverside, and Rancho Cucamonga. From bullet-resistant entry systems to acoustic-rated door packages, we provide commercial-grade solutions tailored to your industry’s demands. Whether you operate in healthcare, education, retail, or public safety, our doors are compliant, secure, and built for performance in demanding environments.

Specialized commercial spaces require specialty door systems designed with purpose. KOR‑Glass provides custom commercial door installations for sectors where standard solutions won’t do. From radiation-shielded doors in medical imaging suites to sound-insulated doors in law firms and studios, our expert team ensures performance and compliance without compromise. If you’re searching for specialty door installers near Ontario, CA, we’re the trusted provider for advanced commercial door systems across the Inland Empire.