3531  Construction Machinery and Equipment

Establishments primarily engaged in manufacturing heavy machinery and
equipment of a type used primarily by the construction industries, such as
bulldozers; concrete mixers; cranes, except industrial plant overhead and
truck-type cranes; dredging machinery; pavers; and power shovels. Also
included in this industry are establishments primarily engaged in
manufacturing forestry equipment and certain specialized equipment, not
elsewhere classified, similar to that used by the construction industries,
such as elevating platforms, ship cranes and capstans, aerial work
platforms, and automobile wrecker hoists.  Establishments primarily engaged
in manufacturing mining equipment are classified in industry 3532; those
manufacturing well-drilling machinery are classified in industry 3533;
those manufacturing industrial plant overhead traveling cranes are
classified in industry 3536; and those manufacturing industrial truck-type
cranes are classified in industry 3537.