Inner-City Glass is a window repair and replacement company based in Boston, MA. They specialize in the fabrication, delivery, and installation of various types of flat glass, including frameless shower doors, stained glass repairs, aluminum and vinyl replacement windows, and insulated glass. Their services cover both repair and custom glass solutions for residential and commercial properties.

JB Sash and Door is a window replacement company based in Boston, MA, serving New England for over 85 years. They specialize in providing and installing Marvin windows, doors, skylights, and hardware for new construction, remodeling, and replacement projects. The company is experienced in designing and installing historically accurate windows for historic districts, ensuring compliance with historic approvals.