The Nero Engine Co, Sterling Works, Coventry
founded by Stanley Riley
c.1914 Stanley Riley founded the company to produce his own 4-cylinder 10 hp (7.5 kW) car.
1915 Produced a four-cylinder engine 63 x 88mm
1919 After the war, the Riley companies were restructured - the Nero Engine Co was acquired by Riley (Coventry) as the producer of automobiles.