Our Mission Statement

NASG is ISO 9001:2015 certified company that devotes substantial resources to continually evaluate new products and processes to ensure our engineered security and specialty glazing products meet or exceed the protection needs of today’s changing world.  We are the only North American (US) vertically integrated manufacturer and we meet and exceed Buy American Requirements.

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Armored Vehicles

Provide maximum protection and optical clarity with bullet-resistant transparencies in armored civilian and commercial vehicles and boats. Suitable for VIP limousines, personal cars, trucks, SUVs, as well as armored vehicles for corporations and private security companies.


Complex Windshield Shapes

The shape of railway windshields has evolved as the next generation of trains becomes more aerodynamic.   NASG stays ahead of the trends to ensure the vehicle will always be at its most efficient.



NASG is ISO 9001-2015 Certified and offers a complete line of windshields and side window systems certified in accordance with United States and Canadian railway standards.


Featured Products

  • Armored Vehicles
  • Heavy Rail
  • Light Rail
  • Commuter Rail
  • Locomotives
  • Civilian and Commercial

Line Card

 For more information see our Railway Products Line Card.

Featured Products

  • Bent or Curved Glass
  • Blast Resistant
  • Bullet Resistant
  • Forced Entry & Detention
  • Fire-Rated Glazing
  • Hurricane Resistant

CHILDGARD Security Glazing

Global’s CHILDGARD® safety glass is attack resistant glass designed to withstand extensive physical attack and has been tested to the ASTM F1233-08 security glazing standard.

 Specialty Glass Products

View our specialty architectural flat and bent glass products.


  • Columbia Commercial Building Partners
  • Dlubak Specialty Glass
  • Global Security Glazing
  • J.E. Berkowitz
  • NASG Holdings Inc.
  • Solar Seal

About CGH

CGH can provide you with a wide-variety of high-quality fabricated Architectural, Security Glazing and Specialty Glass Products.

Company Line Card

View our full product line from our architectural and security glass companies.

About NASG Holdings Inc.

NASG Holdings, Inc (NASG), a Consolidated Glass Holdings company, founded in 1965 offers a full line of transportation products ranging from glass only to complete window assemblies for:  light and heavy rail, locomotives, military and commercial vehicles and more.

Today, NASG is one of the largest safety and security glass producers in the United States, serving customers worldwide with high-performance transparency systems for architectural, armored vehicles, railways and other specialty end-use applications.

NASG has taken an active leadership role in both developing and supporting sound environmental practices and industry regulatory policies. This commitment helps our customers succeed, our employees achieve, and our communities prosper.

Get the transportation products you need.