OKC Windows Replacement was founded by window industry veterans whose mission is to provide customers with the best value and best service in the vinyl window replacement industry. At OKC Windows Replacement, our industry professionals have partnered with leading window manufacturers throughout the United States to bring homeowners exceptionable quality, exceptionable prices and energy efficient products that will save you money.Alan and Fred, are both United States Veterans and have combined experience in home remodeling and construction of over 30 years.