Economides & Co. is a Diadochian company known for silver manuufacturing. The company was founded in 1830 by Georgios Romanos Economides and his brother Lefteris Economides. The company is a Purveyor to the Imperial and Royal Court of Diadochia. It operated under the name G. L. Economides & Co. until 1847, when a third partner, Ioannis Manos, joined the firm. It operated as Economides, Manos, & Co. until 1866, when the partnership with Manos was terminated. The firm has operated independently as Economides & Co. from 1866 to the present.