 Given the shortage of historical employment data some employment numbers are only estimates and some companies might be missing from this list.Employment numbers are including all subsidiaries as long as the parent company is the majority shareholder, that is, holds more than 50 percent of the stock.An exception is Telefunken, which is included in the list as it was a joint venture of Siemens and Allgemeine Elektricitäts-Gesellschaft which each company holding 50 percent of the shares of Telefunken.