We have both an interior and exterior manufacturing facility which allows us to provide full fabrication services ranging from simple doors/storefronts to fully unitized custom walls.  Both shops are fully union operated.

Exterior Fabrication: Facade fabrication & assembly is critical to maintaining a successful process. GSI dedicates itself to managing the project under our roof. Our facilities incorporate the industries current equipment and processes for facade fabrication & assembly.

Interior Fabrication: GSI dedicates itself to finding qualified manufacturers/suppliers in the marketplace. Our partnerships allow us to all have successful projects and products.