W. S. Ferguson and Co
Perthshire Chemical Works, Friarton, Perth
formerly Ferguson and Donaldson
1909 W. S. Ferguson and Company Limited was registered as a private company, with capital of £15,000, to acquire and carry on the existing undertaking at the Perthshire Chemical Manure Works, Friarton, Perth.[1]
The company claimed to be the oldest fertiliser manufacturers in Scotland.[2]