High Quality Content by WIKIPEDIA articles! Manganese Bronze Holdings p.l.c. is an automotive engineering company headquartered in Coventry, England. Once an important conglomerator of British motorcycle marques, since the sale of its components division in 2003 the company has only one operating division—LTI Limited, trading as The London Taxi Company—which manufactures and retails London Black Taxis. The London Taxi Company assembles London Taxis at its Coventry manufacturing site for the UK market and manufactures London Taxis in Shanghai for sale in the rest of the world. It retails and provides maintenance services for taxis in major cities globally.