Industry: 3533—Oil and Gas Field Machinery and Equipment
Establishments primarily engaged in manufacturing machinery and equipment for use in oil and gas fields or for drilling water wells, including portable drilling rigs. Establishments primarily engaged in manufacturing offshore oil and gas well drilling and production platforms are classified in Industry 3731.

Bib, rock: oil and gas field toolsOil and gas field machinery and equipment
Derricks, oil and gas fieldWater well drilling machinery
Drill rigs, all typesWell logging equipment
Drilling tools for gas, oil, or water wellsWell surveying machinery
Gas well machinery and equipment
Codes Titles Number of US Businesses
3533Oil and Gas Field Machinery1,659
353300Oil and gas field machinery663
35330000Oil and gas field machinery663
353301Oil and gas drilling rigs and equipment290
35330100Oil and gas drilling rigs and equipment158
35330101Bits, oil and gas field tools: rock30
35330102Drill rigs25
35330103Drilling tools for gas, oil, or water wells77
353399Oil and gas field machinery, nec706
35339901Derricks, oil or gas field15
35339902Gas field machinery and equipment52
35339903Oil field machinery and equipment570
35339904Water well drilling equipment54
35339905Well logging equipment6
35339906Well surveying equipment9