InterTech Development Co. designs and manufactures instrumentation and automated systems that in turn help manufacturers and machine builders in the automotive, medical, and industrial sectors to manufacture and test their products. Intertech Development Co. is a world leader in test technology, using its patented technology and proprietary engineering skills for leak testing, functional testing and assembly and test systems. Founded in 1973 and headquartered in Skokie, Illinois, InterTech has sales and service offices in the United States, Mexico, Europe, India, Korea, and China.