The Lyon and Dittrich Holding Company serves as a holding company for nine autonomous manufacturing and service companies. The holding company provides treasury, human resources, risk management, and general strategic planning for all of the subsidiaries. The L & D companies are Durand Metal Products, Lyon Metal Products, Paltier, Paris Metal Products, Pride Metal Products, Riverpoint, Sycamore Systems, and Targeted Marketing. The holding company has its headquarters Aurora, Illinois.
