Since 1977, Illinois GlassWorks has been Chicagoland’s leading glass installer. We install architectural commercial glass as well as innovative, beautiful, high-quality residential glass. We have the expertise to do the job better and faster.

Imperial Facades is expert in the design, supply and installation of custom facade systems, providing complete design-build services to the construction marketplace.

Imperial Windows and Doors specialize in replacing windows and doors with energy star products. Imperial Windows and Doors serve their customers in Toronto and the GTA area.

Trusted by architects, building professionals and homeowners, Innotech Windows + Doors manufactures European windows and doors with outstanding thermal insulation, superior air, water and sound resistance, and remarkable durability.

We have developed a non-intrusive glazing retrofit system, Glazing Shield™, that enables the windows and curtain-walls of existing buildings to be retrofitted with new high-tech glass without removing, replacing, drilling, or altering any existing components.

INOX is an innovative engineering company that designs and manufactures premium decorative hardware and door locks. For more than 25 years, INOX has been an expert in door hardware design with a proven track record of supplying products for some of the largest projects in NA, SA and around the world

We have been creating curtain walls and aluminum doors and windows for the Italian, German, Austrian and American market since 1989.

Latest in product development and technology in flat glass, architectural metal/vinyl, window and door manufacturing, fabricating and processing machinery, material handling equipment and trade products.

Today, Internorm designs and manufacturers all Timber-Aluminium, uPVC-Aluminium and uPVC windows, lift & slide doors, French doors, as well as entrance doors at its three state-of-the-art facilities in Austria.

The main product of IZOGLAS are venetian blinds integrated within hermetically sealed glass units with raise, lower and tilt functions, controlled manually or electrically.

Curtain Wall, Shopfront, Commercial Door, Louvers and Ventilation for the commercial sector, including Jack Door TD68.

As the world leader in constant force spring technology, John Evans’ Sons has produced well over 100 million high performance window balance products.

JRC Glass Solutions are a glass service and glazier business, specialising in residential and commercial glass installations, glass repairs, glass replacements, and everything in between.

When it comes to designing, manufacturing and installing bespoke windows and doors, KAT has always been ahead of the game. A bit about us here at KAT. We’ve maintained our position at the very forefront of the industry thanks to an on-going commitment to product development, quality and innovation.

Kensingtons are suppliers and installers of secondary glazing specialising in Listed buildings and conservation ares