HS Marston Aerospace Limited is a division of Hamilton Sundstrand's Engine & Control Systems business. Based in Wolverhampton, England, it is a world-leading supplier of heat transfer and fluid management solutions for the commercial and military aerospace markets, motorsport and electronics cooling industries. With full in house design, manufacture, qualification and repair & overhaul capabilities, it offers an integrated range of products to meet the most demanding customer requirements.

Aerospace:
HS Marston Aerospace supply an integrated range of heat transfer and fluids management products for the commercial and military markets. Their products are used within airframes and on engines, on fixed wing and rotary aircraft.

Motorsport:
Marston Motorsport Cooling designs and manufacturers innovative lightweight, high performance oil coolers and radiators for the world's premier race teams. They contribute to the success of many of the leading Formula 1, Indy-car, CART and Rally teams by providing a specialist heat transfer design service supported by a dedicated manufacturing cell.

Electronics:
HS Marston Aerospace design and manufacture heat sinks, cold plates and heat exchangers for a wide range of specialist applications including aerospace and defence, consumer and industrial electronics, drive controls, railway transportation, telecommunications and stage & screen lighting.