Müller (German trade company) then opened another 86 outlets by 1990. Since then the company has expanded in Europe. Müller has more than 34,000 employees. In 2010 the company earned revenues of 2.42 billion Euro. Erwin Müller and Elke Menold are General Managers of the company. In 2004, the company was transformed into a Limited & Co. KG (a hybrid of the English cognate of the German GmbH and the German word "Compagnie Kommanditgesellschaft", meaning "limited partnership") when the company registered under English law in London. By October 2017 Müller had a total of 812 outlets in 7 European countries: Müller is primarily a
The Pyrene Company Limited Limited was founded in 1914 when Wallace B. Phillips, an American businessman set up in Great Queen Street, London, selling 'pump' extinguishers. The company moved to Grosvenor Gardens, London in 1918, and then to Stoke Newington in 1920, where a factory to manufacture soda-acid and foam fire extinguishers was established. The London General Omnibus Company awarded Pyrene the contract for its fire extinguishers in 1924. In 1927, a metal-finishing division was established, which developed the Parkerizing process for metal rust-proofing. Its Pyrene Company Limited sold part of the chemical division to the Brent International Chemical Company which was a stand-alone