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Class Code Information


Agricultural or Construction Machinery Mfg.


Code 3507 applies to employers engaged in manufacturing agricultural or construction machinery.  Agricultural machinery such as reapers, binders, hay loaders and construction machinery such as cranes, steam shovels, locomotive works and as well as other machinery or equipment manufacturing listed below are encompassed under the scope of this classification.

Metal bar stock is laid out, cut to size and machined by milling, drilling, tapping, turning, and grinding.  Sheet stock is cut to size and formed to shape on press brakes.  Metal parts are assembled by welding and bolting.

Component parts such as motors are bolted into place and connections are made by using wire and tubes.  Wheels are attached.  Machines are then tested, adjusted and then shipped to customers.

Assignment by Analogy

• Derricks or stills – oil
• Oil rigs

Operations to be Separately Rated

  1. Erection or installation of machinery or electrical apparatus equipment at the customer’s premises.  Refer to Code 3724 “Machinery or Equipment Erection or Installation – NOC – All Operations to Completion & Drivers.”

Industry Group

All Other Manufacturing