Simmons Machine Tool Corporation

  Association of American Railroads

   Railway Supply Institute

    Association for Manufacturing Technology

    Hudson Valley Community College - Manufacturing Technical Systems Program (A.O.S.)

    Industry Today: The World of Manufacturing - Simmons Profile

     International Heavy Haul Association (IHHA)

                                            Read more about Heavy Haul Operations here

    10th International Heavy Haul Association Conference - Conference held in New Delhi, India February 4-6, 2013