1845 Gutta Percha Co.
1850 First cross channel telegraph cable.
1864 Telegraph Construction & Maintenance Co. formed.
1866 First transatlantic telegraph cable installed.
1924 Invented and Patented 'MUMETAL®' high permeability alloy.
1938 First use of Telcothene for cable and sleeving.
1959 Purchased by BICC Ltd for cable manufacturing capability.
1989 Advent Venture Capital investment.
1998 Strategic divestment of Alloys business and focus on growth of magnetic components business.