35 Distributorship services in the field of aluminum and stainless steel sheets and coils; Distributorship services in the field of supplying building materials made of steel, aluminum and glass products; On-line retail store services featuring a wide variety of consumer goods of others; On-line retail store services featuring window and doors; Outsourcing services in the nature of arranging service contracts for others in the field of supply of building materials made of steel, aluminum and glass products; The bringing together, for the benefit of others, of aluminum curtain walls, aluminum window walls, glass, doors and windows, composite panels, storefront, skylight, canopy, excluding the transport thereof, enabling customers to conveniently view and purchase those goods by means of mail order catalogs; The bringing together, for the benefit of others, of aluminum curtain walls, aluminum window walls, glass, doors and windows, composite panels, storefront, skylight, canopy, excluding the transport thereof, enabling customers to conveniently view and purchase those goods by means of on-line retail stores; The bringing together, for the benefit of others, of aluminum curtain walls, aluminum window walls, glass, doors and windows, composite panels, storefront, skylight, canopy, excluding the transport thereof, enabling customers to conveniently view and purchase those goods by means of on-line wholesale stores; The bringing together, for the benefit of others, of aluminum curtain walls, aluminum window walls, glass, doors and windows, composite panels, storefront, skylight, canopy, excluding the transport thereof, enabling customers to conveniently view and purchase those goods by means of wholesale stores