Association football | association football | Forward (association football) | Goalkeeper (association football) | Defender (association football) | National Basketball Association | independent | American Association for the Advancement of Science | Association of Tennis Professionals | American Library Association | independent record label | World Boxing Association | National Collegiate Athletic Association | American Association | American Heart Association | independent film | National Association of Intercollegiate Athletics | Commonwealth of Independent States | National Rifle Association | International Development Association | Independent (politician) | National Association for the Advancement of Colored People | American Bar Association | Philippine Basketball Association | American Medical Association | International Air Transport Association | World Hockey Association | Women's Tennis Association | Gaelic Athletic Association | Independent Order of Odd Fellows |
Meadows was a Presbyterian, a Mason, and a member of numerous professional, civic, and social organizations, including the American Petroleum Institute, Independent Petroleum Association, Dallas Petroleum Club, Dallas Art Association, Dallas Citizens Council, and Sigma Nu fraternity.