Company names

<timeline> ImageSize = width:800 height:300 PlotArea = width:760 height:260 left:20 bottom:20

DateFormat = yyyy Period = from:1850 till:2000

PlotData=

   bar:Events width:20
   color:blue
   align:left

   from:1851 till:1859 text:"Taylor Instrument founded"
   from:1900 till:1950 text:"Expansion era"
   from:1950 till:1980 text:"International growth"

</timeline>