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 Machinery1,669
353300Oil and gas field machinery758
35330000Oil and gas field machinery758
353301Oil and gas drilling rigs and equipment288
35330100Oil and gas drilling rigs and equipment154
35330101Bits, oil and gas field tools: rock31
35330102Drill rigs25
35330103Drilling tools for gas, oil, or water wells78
353399Oil and gas field machinery, nec623
35339901Derricks, oil or gas field14
35339902Gas field machinery and equipment49
35339903Oil field machinery and equipment488
35339904Water well drilling equipment56
35339905Well logging equipment8
35339906Well surveying equipment8