The Penray Companies, Inc.
Chemical ManufacturingIllinois, United States11-50 Employees
The Penray Companies, Inc. is a privately held chemical manufacturer headquartered in Wheeling, Illinois, with two manufacturing facilities in Illinois. Founded in 1951, it serves automotive, heavy-duty, and marine sectors with products developed to support vehicle performance and reliability. The company combines sales and marketing with in-house chemists to create solutions for technicians facing complex maintenance challenges. Its customer base comprises professionals in repair and service industries who rely on formulations that protect engines and critical components. In 2026, Penray launched a heavy-duty Extended Life Coolant Extender aimed at preserving coolant protection against pitting, cavitation and corrosion.