Sumitomo Group Public Affairs Committee,

A source of information on the companies in the Sumitomo group

Sumitomo Electric Industries Ltd,

The parent company of Sumitomo Electric Europe Ltd

Sumitomo Wiring Systems Ltd,

Automotive wiring division of Sumitomo Electric Industries

Sumitomo Electric Device Innovations, Inc.

Optical & wireless product international website


Sumitomo Electric Lightwave,

Cable manufacturing and sales office for optical fibre fusion splicers in the American continent

Sumitomo Electric Device Innovations USA ,

USA sales office for photonic products

Sumitomo Electric USA ,

Sales office for optical fibre in the American continent


Sumitomo Electric Russia

Russian sales for splicing equipment and optical fibre

Sumitomo Electric Schrumpfprodukte

German subsidiary of Sumitomo Electric Industries manufacturing heat shrinkable tubing

SEI Interconnect Products Europe

Sales and distribution of electronic interconnect components including wire and cable, fine polymer, compound semiconductors and many others.

Sumitomo Electric Wiring Systems Europe

Manufacture of automotive wiring harness and related components.

Sumitomo Electric Hartmetall

Sales of Sumitomo machine tool cutting tips for turning and milling machines.


Sumitomo Electric Asia, Ltd.

Asia sales office for optical & wireless products