Founded in 1996 as a custom millwork manufacturer, The O’Brien Group Ltd. now offers customers superior window and door products from selected European and Canadian manufacturers. We partner with excellent suppliers that focus on durable quality construction, exceptional energy performance, and providing custom styles and features. We strive to offer our customers excellent service and build long term relationships with architects and builders who rely on us to meet their needs. Our success has been built upon supplying the best quality products available with personalized, customer service.