1890 - British Insulated Wire Company of Prescot formed by Atherton Brothers, T P Hewitt, Colonel Pilkington and Sebastian Ferranti to manufacture power cables insulated with paper

1902 - merged with the Telegraph Manufacturing Company of Helsby to become British Insulated & Helsby Cables Limited.

1925 - re-named British Insulated Cables Limited.

1945 - British Insulated Cables merged with Callenders and became British Insulated Callender's Cables Limited