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About Us - KD&G Doors Skip to content About Us Home » About Us Keith Owner of KD&G Doors K D & G Doors has been providing fast and effective garage door sales, installation, and repair services since 2004. We work to satisfy customers at affordable price. Owner and founder, Keith Dower, was born and raised here in the Nutmeg State. After working for several overhead door companies early on, he grew extremely frustrated with how they managed and treated others.