Royal Purple (lubricant manufacturer) Royal Purple (lubricant manufacturer) Royal Purple is an American manufacturer which produces lubricants for automotive, industrial, marine, motorcycle, and racing use. It is known primarily for its line of synthetic Royal Purple Motor Oil products used in gasoline and diesel engines. They also produce other fluids including gear oil, transmission fluid, power steering fluid and industrial gear, bearing, engine, and hydraulic oil. Other products include chassis and bearing grease, lubricant aerosol, aerosol chain lubricant, and firearm lubricant. The company was founded in 1986 by John Williams, a synthetic oil developer and later consultant. Due to a customer who said he
Brennan Motor Manufacturing Company Brennan Motor Manufacturing Company Brennan Motor Manufacturing Company (1897–1972) of Syracuse, New York, was an early manufacturer of automobile engines. From 1902 until 1908, the company produced the Brennan automobile however, after the demise of the automobile enterprise, the company again turned their focus to automobile engines and later marine engines. They were in business for 75 years when the company closed its doors in 1972. The company was founded in 1897 by Patrick H. Brennan (1865 - January 22, 1934) and was known as Brennan Motor Manufacturing Company or Brennan Motor Company. The company motto was "Simplicity and durability."