Mécanique Aviation Traction or Matra was a French company covering a wide range of activities mainly related to automobiles, bicycles, aeronautics and weaponry. In 1994, it became a subsidiary of the Lagardère Group and now operates under that name.
Matra was owned by the Floirat family. The name Matra became famous in the 1960s when it went into car production by buying Automobiles René Bonnet. Matra Automobiles produced successful racing cars and sports cars.
Source: Wikipedia, "Matra", available under the CC-BY-SA License.