| 333131 |
Manufacturing well drilling machinery--are classified in U.S. Industry 333132, Oil and Gas Field Machinery and Equipment Manufacturing |
| 333131 |
Manufacturing coal and ore conveyors--are classified in U.S. Industry 333922, Conveyor and Conveying Equipment Manufacturing |
| 333131 |
Manufacturing underground mining locomotives--are classified in Industry 336510, Railroad Rolling Stock Manufacturing. |
| 333132 |
Manufacturing offshore oil and gas well drilling and production floating platforms--are classified in U.S. Industry 336611, Ship Building and Repairing |
| 333132 |
Manufacturing underground mining drills--are classified in U.S. Industry 333131, Mining Machinery and Equipment Manufacturing |
| 333132 |
Manufacturing pumps and pumping equipment--are classified in U.S. Industry 333914, Measuring, Dispensing, and Other Pumping Equipment Manufacturing. |
| 33324 |
Manufacturing agricultural and farm-type, construction, and mining machinery--are classified in Industry Group 3331, Agriculture, Construction, and Mining Machinery Manufacturing |
| 33324 |
Manufacturing food and beverage packaging machinery or power-driven handtools--are classified in Industry 33399, All Other General Purpose Machinery Manufacturing |
| 33324 |
Manufacturing commercial and industrial refrigeration and freezer equipment--are classified in Industry 33341, Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing |
| 33324 |
Manufacturing commercial-type cooking and food warming equipment, automotive maintenance equipment (except mechanics' handtools), or photocopiers--are classified in Industry 33331, Commercial and Service Industry Machinery Manufacturing |