The North American Industry Classification System NAICS is a system for classifying industries by a six-digit code. [Wikipedia]
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TOP Description Asmts Reccs
back 333xxx Machinery Manufacturing 600 4,856
back 3339xx Other General Purpose Machinery Manufacturing 157 1,244
33392x Material Handling Equipment Manufacturing 48 401
333921 Elevator and Moving Stairway Manufacturing 8 73
333922 Conveyor and Conveying Equipment Manufacturing 13 111
333923 Overhead Traveling Crane, Hoist, and Monorail System Manufacturing 13 111
333924 Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing 14 106
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