Gartner Steel and Glass GmbH represents the product line of architectural steel structures within the Permasteelisa Group, the global leader in the field of architectural envelopes. The Permasteelisa operating structure consists of six business units: America, Europe, Middle East, Asia, Interiors, and Gartner.

The Germany-based Gartner Group focuses on the premium segment of curtain wall facades and architectural steel structures.

Gartner Steel and Glass, headquartered in Würzburg, Germany, is the center of excellence for architectural steel structures and envelopes; it is used worldwide in cooperation with the local set-ups of the global Permasteelisa/Gartner organization.