Convert industry codes

Cross-system equivalents backed by official correspondence tables and exact code matches — never guesses. Approximate mappings are labeled. How it works →

Examples:
FromSIC
3728
Aircraft Parts and Equipment, NEC
Open detail
ToNAICS
322220
Paper Bag and Coated and Treated Paper Manufacturing
Open detail
ToNAICS
331110
Iron and Steel Mills and Ferroalloy Manufacturing
Open detail
ToNAICS
331221
Rolled Steel Shape Manufacturing
Open detail
ToNAICS
331222
Steel Wire Drawing
Open detail
ToNAICS
331313
Alumina Refining and Primary Aluminum Production
Open detail
ToNAICS
331314
Secondary Smelting and Alloying of Aluminum
Open detail
ToNAICS
331315
Aluminum Sheet, Plate, and Foil Manufacturing
Open detail
ToNAICS
331318
Other Aluminum Rolling, Drawing, and Extruding
Open detail
ToNAICS
331410
Nonferrous Metal (except Aluminum) Smelting and Refining
Open detail
ToNAICS
331420
Copper Rolling, Drawing, Extruding, and Alloying
Open detail
ToNAICS
331491
Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
Open detail
ToNAICS
331492
Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)
Open detail
ToNAICS
332912
Fluid Power Valve and Hose Fitting Manufacturing
Open detail
ToNAICS
332913
Plumbing Fixture Fitting and Trim Manufacturing
Open detail
ToNAICS
332919
Other Metal Valve and Pipe Fitting Manufacturing
Open detail
ToNAICS
332992
Small Arms Ammunition Manufacturing
Open detail
ToNAICS
332993
Ammunition (except Small Arms) Manufacturing
Open detail
ToNAICS
332994
Small Arms, Ordnance, and Ordnance Accessories Manufacturing
Open detail
ToNAICS
332996
Fabricated Pipe and Pipe Fitting Manufacturing
Open detail
ToNAICS
332999
All Other Miscellaneous Fabricated Metal Product Manufacturing
Open detail
ToNAICS
333310
Commercial and Service Industry Machinery Manufacturing
Open detail
ToNAICS
333995
Fluid Power Cylinder and Actuator Manufacturing
Open detail
ToNAICS
333996
Fluid Power Pump and Motor Manufacturing
Open detail
ToNAICS
334220
Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
Open detail
ToNAICS
336360
Motor Vehicle Seating and Interior Trim Manufacturing
Open detail
ToNAICS
336411
Aircraft Manufacturing
Open detail
ToNAICS
336412
Aircraft Engine and Engine Parts Manufacturing
Open detail
ToNAICS
336413
Other Aircraft Parts and Auxiliary Equipment Manufacturing
Open detail
ToNAICS
336414
Guided Missile and Space Vehicle Manufacturing
Open detail
ToNAICS
336415
Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing
Open detail
ToNAICS
336419
Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing
Open detail
ToNAICS
541713
Research and Development in Nanotechnology
Open detail
ToNAICS
541714
Research and Development in Biotechnology (except Nanobiotechnology)
Open detail
ToNAICS
541715
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
Open detail
  • approximate NAICS 322220 — mapped via ISIC 2420
  • approximate NAICS 331110 — mapped via ISIC 2410
  • approximate NAICS 331221 — mapped via ISIC 2410
  • approximate NAICS 331222 — mapped via ISIC 2410
  • approximate NAICS 331313 — mapped via ISIC 2420
  • approximate NAICS 331314 — mapped via ISIC 2420
  • approximate NAICS 331315 — mapped via ISIC 2420
  • approximate NAICS 331318 — mapped via ISIC 2420
  • approximate NAICS 331410 — mapped via ISIC 2420
  • approximate NAICS 331420 — mapped via ISIC 2420
  • approximate NAICS 331491 — mapped via ISIC 2420
  • approximate NAICS 331492 — mapped via ISIC 2420
  • approximate NAICS 332912 — direct correspondence
  • approximate NAICS 332913 — mapped via ISIC 2420
  • approximate NAICS 332919 — mapped via ISIC 2410
  • approximate NAICS 332992 — mapped via ISIC 2520
  • approximate NAICS 332993 — mapped via ISIC 2520
  • approximate NAICS 332994 — mapped via ISIC 2520
  • approximate NAICS 332996 — mapped via ISIC 2420
  • approximate NAICS 332999 — mapped via ISIC 2420
  • approximate NAICS 333310 — mapped via ISIC 3030
  • approximate NAICS 333995 — mapped via ISIC 2812
  • approximate NAICS 333996 — mapped via ISIC 2812
  • approximate NAICS 334220 — mapped via ISIC 2520
  • approximate NAICS 336360 — mapped via ISIC 2520
  • approximate NAICS 336411 — direct correspondence
  • approximate NAICS 336412 — mapped via ISIC 2520
  • approximate NAICS 336413 — direct correspondence
  • approximate NAICS 336414 — mapped via ISIC 3030
  • approximate NAICS 336415 — mapped via ISIC 3030
  • approximate NAICS 336419 — mapped via ISIC 2520
  • approximate NAICS 541713 — direct correspondence
  • approximate NAICS 541714 — mapped via ISIC 7210
  • approximate NAICS 541715 — mapped via ISIC 7210