Moment Express Development Organization (モーメント・エクスプレス開発機構, Mōmento Ekusupuresu Kaihatsu Kikō), or Moment Express or simply M.E. for short, were a mysterious private manufacturing company in Yu-Gi-Oh! 5D's. Their work involved Ener-D (known as Moment in the Japanese version) related projects. They also have a mysterious involvement with Iliaster. Clark Smith was the director of the company. Following the Three Pure Nobles's falsification of history, the company's existence was erased from history.