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of Coventry, an engineering company, often known simply as Manganese Bronze.
1963 Holding company formed as result of reorganisation of Manganese Bronze  Two subsidiaries established: Manganese Bronze Ltd to hold the Wrought Metals Division and Sintered Materials Division, both at Ipswich  and Alpax Ltd to hold the Deans and Lightalloys and other companies operating principally at Willesden and Beverley.
1965 Villiers bought the industrial engines business of BSA located at Redditch; this would enable BSA to concentrate on motorcycle production; Villiers would fulfil BSA's commitments from its Wolverhampton factory.
1966 Manganese Bronze Holdings Ltd bought AMC (Associated Motorcycles) owners of the Norton, AJS, Matchless, Francis-Barnett and James motorcycle marques. This, combined with the other motor cycle business, became Norton-Villiers .
Late 60/early 70s Norton-Villiers was a millstone around the neck of Manganese Bronze; it took several years to reorganise the company and bring it back towards profitability.
1973 As part of a rescue plan for BSA initiated by the Government, a new motorcycle company Norton-Villiers-Triumph was set up with government funding. Manganese Bronze Holdings put Norton-Villiers into the new entity and purchased BSA's non-motorcycle interests . The components businesses of BSA was incorporated in Manganese Bronze Casting and Components Division, comprising sintering, precision casting and metal powders. With the purchase of BSA came its subsidiary Carbodies, builder of the FX4 London taxi . The classic FX3 taxi, predecessor to the FX4, had been built by Carbodies in partnership with Mann and Overtons and Austin. Carbodies concentrated on producing complete taxis, starting with the FX4 in 1959. The company is now called LTI Ltd, an abbreviation of London Taxis International.
1975 Manganese Bronze Holdings wrote off its investment in Norton-Villiers-Triumph .
1984 Acquired Mann and Overtons, distributors of the London black cab.
After disposing of the motorcycle manufacturing arms, Dennis Poore continued to head Manganese Bronze as a taxi and component manufacturer until his death in 1987.
2003 Manganese Bronze Casting and Components Division was sold (and went bankrupt a short while later). Manganese Bronze Holdings consisted essentially of LTI.