Kazan Aggregate Plant LLC is a Russian engineering and manufacturing company founded in 1997 and based in Kazan. It develops, produces, repairs, and tests aviation equipment, including products with dual-purpose applications. Its portfolio includes ground-support equipment for helicopters and aircraft, components for helicopter hydraulic, anti-icing, and pneumatic systems, and specialist workshop equipment for aircraft maintenance and repair.

The company has produced equipment for Mi-8, Mi-17, Ansat, and Mi-38 helicopters, and has developed ground-support equipment for the MS-21 aircraft family. Other products include systems for engine cleaning and emulsification, ultrasonic filter-cleaning units, and equipment for servicing aircraft oil and hydraulic systems. The company also offers development and manufacture of specialized equipment for aviation and other fields, as well as mobile medical complexes and medical equipment production and maintenance.

Kazan Aggregate Plant reports certifications to Russian military and quality-management standards and holds licenses covering aviation and medical equipment activities. It was established without foreign capital participation. The company notes that its website is being updated and recommends verifying information