From mills to mixers to complementary product lines, Quadro®, a Business Unit of IDEX Material Processing Technologies, has earned the respect of customers with a wide variety of applications in more than 50 countries. Our recognized leadership in specialized process equipment was launched by a single idea that has stood the test of time. Quadro® invented the original conical mill, or Comil®, in 1976. A revolutionary idea at the time, the conical mill has proven to be one of industry’s most durable and most imitated advances in size reduction technology.