Oklahoma City
McClendon made sizable donations to and served on the board of directors for many municipal and private organizations in Oklahoma City, including the Boathouse District and Boathouse Foundation, The McClendon Family Boys and Girls Club of OKC, the Oklahoma City Chamber of Commerce, Oklahoma State Fair and Oklahoma City Public Schools. He donated to Oklahoma City arts organizations, including the Lyric Theatre, Oklahoma City Ballet, Oklahoma Museum of Art, Arts Council of Oklahoma City, the Oklahoma Heritage Foundation and the Oklahoma City Philharmonic.