It was founded by Joseph C. Belden in Chicago (USA) in 1902. Practically since its foundation, the company has become the leader in the manufacture of insulated wires, cables, and related products. The merger of Belden and Cable Design Technologies Corp. (2004) resulted in establishment of Belden Inc., making it one of the largest suppliers in the field of cable, connectivity, and networking product supplies not only in the U.S., but worldwide. BELDEN cables are characterised by the high quality and stability of transmission parameters. Belden Inc. is the holder of the ISO 9001 quality management certification.