Giesse S.p.A.

Giesse designs and manufactures hardware and hinge systems for aluminum windows and doors, serving fabricators and OEMs in the residential and commercial building industry worldwide. Based in Italy for 60 years, the company is known for high-performance, design-forward components — including tilt-and-turn window hardware, sliding-door locking systems, concealed "minimal" hinges, and handles — built for durability, security, and clean aesthetics. Giesse is now part of Quanex's Hardware Solutions division, giving customers access to a broader family of building-component brands alongside continued Italian design and manufacturing expertise. It's best suited for door and window manufacturers and architects looking for reliable, innovative, and visually refined aluminum hardware rather than individual homeowners, who are directed to local fabricators or distributors.

Group and subgroup: Quanex Building Products Corporation (NYSE: NX) → Quanex Hardware Solutions → Brands: Giesse, Reguitti, Jatec, Schlegel, Era, Zoo