The Association of Diesel Specialists is the worldwide diesel industry's leading trade association, dedicated to the highest level of service on diesel fuel injection and related systems. Members are located throughout the U.S., Canada, Mexico and many other countries and primarily consists of independent repair shops specializing in diesel fuel injection, governor and turbocharger service. ADS members also encompass original equipment manufacturer (OEM), manufacturers and distributors of replacement parts and allied equipment, and schools offering programs in diesel mechanic training.

To their members, ADS means worldwide recognition by diesel owners and operators and an industry support network. To their member's customers, ADS signifies a network of professionals dedicated to the achievement of high-caliber service.

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