Performance Structures—Fabricators of Stainless Steel Fine Art cloud gate fabricator,cloud gate fabrication,anish kapoor cloud gate,bean sculpture,chicago bean,cloud gate builder,who built the bean,anish kapoor fabricator,kapoor sculpture,millenium park,polished stainless steel,stainless steel sculpture,fine art fabrication,stainless steel architectural features,metal architectural cladding,sky mirror,kapoor spire,kapoor stainless steel,precision metal fabrication,precision metal forming,stainless steel finishing,stainless steel polishing,ethan silva,turning the world upside down Performance Structures, Inc. is a design-build company specializing in stainless steel sculpture fabrication and major architectural features.