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 Machinery1,666
353300Oil and gas field machinery659
35330000Oil and gas field machinery659
353301Oil and gas drilling rigs and equipment288
35330100Oil and gas drilling rigs and equipment156
35330101Bits, oil and gas field tools: rock30
35330102Drill rigs26
35330103Drilling tools for gas, oil, or water wells76
353399Oil and gas field machinery, nec719
35339901Derricks, oil or gas field15
35339902Gas field machinery and equipment53
35339903Oil field machinery and equipment581
35339904Water well drilling equipment55
35339905Well logging equipment6
35339906Well surveying equipment9