Mining and Construction Machinery Manufacturing

**Exclusions/References:** - Units mainly engaged in - (a) repairing mining and construction machinery are included in Class 9429 Other Machinery and Equipment Repair and Maintenance; - (b) manufacturing agricultural tractors are included in Class 2461 Agricultural Machinery and Equipment Manufacturing; and - (c) manufacturing cranes, winches, hoists or hoisting equipment, or materials handling equipment n.e.c. are included in Class 2491 Lifting and Material Handling Equipment Manufacturing. **Primary Activities:** - Back hoe manufacturing - Concrete mixer manufacturing - Crawler tractor manufacturing - Crushing machinery manufacturing n.e.c. - Dozer, angle dozer, bulldozer manufacturing - Drilling machinery manufacturing n.e.c. - Earthmoving machinery manufacturing - Front-end loader manufacturing - Grader, road, manufacturing - Jack hammer manufacturing - Mining machinery manufacturing - Off-highway truck manufacturing - Pneumatic drill manufacturing (for construction work) - Roller, road, manufacturing - Tractor, construction or earthmoving, manufacturing