In 1975, PMA was established in Wetzikon, Switzerland with the objective a developing cable protection systems for railway, mechanical engineering and shipbuilding applications. Today they are part of Thomas & Betts, and provide products for the above mentioned applications as well as automation, energy, telecommunications and hazardous location industries where data cables require reliable protection. PMA offers a wide range of unique mono and multilayer conduit types. Conduit sizes range from 4.5 mm to 125 mm diameters with many UL rated. Since PMA opened its doors, they have produced over 520 million feet of conduit which is nearly 4 times the earth’s circumference.