Welcome to A Glass Contractors Since 1990 A Glass Contractors has been providing the greater Cincinnati area with the best quality glass products and installations for your home or business. We are open today from 8:00 am to 5:00 pm I cannot thank you enough for your assistance and professionalism regarding an enquiry I made at the 11th hour so to speak. It is so refreshing to receive a prompt and professional service. I do wish you every success as you deserve it. Prompt service and installation. Very happy with our new windows.