CHEVRON OVERSEAS PETROLEUM TECHNOLOGY COMPANY

Petroleum and Coal Products Manufacturing

NAICS #324 | The Petroleum and Coal Products Manufacturing subsector is based on the transformation of crude petroleum and coal into usable products. The dominant process is petroleum refining that involves the separation of crude petroleum into component products through such techniques as cracking and distillation.

In addition, this subsector includes establishments that primarily further process refined petroleum and coal products and produce products, such as asphalt coatings and petroleum lubricating oils. However, establishments that manufacture petrochemicals from refined petroleum are classified in Industry 32511, Petrochemical Manufacturing.

Mining and Oil and Gas Field Machinery Manufacturing

NAICS #33313 | This industry comprises establishments primarily engaged in manufacturing oil and gas field and underground mining machinery and equipment. Manufacturing offshore oil and gas well drilling and production floating platforms--are classified in Industry 33661, Ship and Boat Building; Manufacturing surface mining machinery and equipment--are classified in Industry 333120, Construction Machinery Manufacturing; Manufacturing coal and ore conveyors--are classified in Industry 33392, Material Handling Equipment Manufacturing; Manufacturing underground mining locomotives--are classified in Industry 336510, Railroad Rolling Stock Manufacturing; and Manufacturing pumps and pumping equipment--are classified in Industry 33391, Pump and Compressor Manufacturing.