NAICS – North American Industry Classification System
The North American Industry Classification System better known as the NAICS is used by business and government to classify business establishments according to type of economic activity and process of production in Canada, Mexico and the United States.
332996 Fabricated Pipe and Pipe Fitting Manufacturing
This U.S. industry comprises establishments primarily engaged in fabricating, such as cutting, threading, and bending metal pipes and pipe fittings made from purchased metal pipe.
332312 Fabricated Structural Metal Manufacturing
This U.S. industry comprises establishments primarily engaged in fabricating structural metal products, such as assemblies of concrete reinforcing bars and fabricated bar joists.
332710 Machine Shops
This industry comprises establishments known as machine shops primarily engaged in machining metal and plastic parts and parts of other composite materials on a job or order basis. Generally machine shop jobs are low volume using machine tools, such as lathes (including computer numerically controlled); automatic screw machines; and machines for boring, grinding, and milling.
333120 Construction Machinery Manufacturing
This industry comprises establishments primarily engaged in manufacturing construction machinery, surface mining machinery, and logging equipment.
Construction and surface mining-type rock drill bits manufacturing
Construction-type tractors and attachments manufacturing
Off-highway trucks manufacturing
Pile-driving equipment manufacturing
Portable crushing, pulverizing, and screening machinery manufacturing
Powered post hole diggers manufacturing
Road graders manufacturing
Surface mining machinery (except drilling) manufacturing