Black Square Glass designs, fabricates and installs custom steel and glass partitions for residential and commercial interiors, with a particular focus on architectural steel-frame systems. Founded by Peter Horoshko, the New York and New Jersey studio also offers aluminum and frameless glass solutions, including custom glass railings, and ships its systems to 48 states. Its founder brings hands-on installation experience across New York City since 2020, while projects are developed through technical drawings, custom fabrication and professional installation.
Crystalia GlassCrystalia Glass designs and installs glazed partition systems and glass walls for homes and offices, with custom steel work at the heart of its offering. Its KOMPAS aluminum system can reach 19 feet high and be configured for enclosed offices, conference rooms, or open layouts, while its steel partitions bring an industrial character to lofts and commercial interiors. The company says it has been on the U.S. market for eight years, serving customers in 48 states.BROOKLYN, NY
Giovani GlassGiovani Glass brings 25 years of New York experience to custom architectural glass work for homeowners, commercial property owners, architects, and designers. Its Brooklyn-based team combines design guidance with precise fabrication and installation, tailoring each project to the space rather than relying on standard solutions.BROOKLYN, NY
Manhattan Steel Door & Window CompanyManhattan Steel Door & Window Company designs, fabricates, and installs custom steel doors and windows, including thermally broken systems, interior and exterior doors, steel windows, shower doors, and bifold and sliding doors. The company hand-builds one-of-a-kind products in America for residential, commercial, and retail projects and ships nationwide.BROOKLYN, NY
Glass FloorsGlass Floors designs and installs customized structural-glass features, with a particular focus on glass flooring and related architectural glazing. Serving architects and homeowners, the Brooklyn company handles projects from planning and design through installation, while its bonded and certified installers also provide glass replacement and in-home design consultations.BROOKLYN, NY