Pump Service Center (PSC) is a commercial division of Abdullah Ahmad Dossary Trading Enterprises (AAD), established in 1985 to support the AAD Contracting Division for repairing and troubleshooting of their hydraulic pumps and motors.

Today, PSC is one of the leading hydraulic service centre in the Kingdom of Saudi Arabia involved in sales and service of hydraulic pumps, motors, control valves, seals, hoses etc., for mobile and industrial hydraulic equipments.

PSC is an authorized distributor and service centre for Sauer Danfoss Hydrostatic Transmission Pumps & Motors, Parker Hydraulics and Sunfab.