Convert industry codes
Verified correspondences first — official tables and exact code matches. Where no verified mapping exists, we show clearly-labeled inferred matches through a standardized ISIC bucket, never presented as exact. How it works →
SIC4121TaxicabsNAICS
Best match: 485310 Taxi and Ridesharing Services. The whole of SIC 4121 sits inside this NAICS class (official containment) — it is broader than the source, not a one-to-one twin.
Approximate24
Same family via official correspondence tables (via ISIC 4922, 5232, 5231) — related activities, not one-to-one matches. Rows marked contained wholly contain the source activity.
- 485310Taxi and Ridesharing ServicescontainedDetails →
- 485210Interurban and Rural Bus TransportationDetails →
- 485320Limousine ServiceDetails →
- 485410School and Employee Bus TransportationDetails →
- 485510Charter Bus IndustryDetails →
- 485991Special Needs TransportationDetails →
- 485999All Other Transit and Ground Passenger TransportationDetails →
- 487110Scenic and Sightseeing Transportation, LandDetails →
- 487990Scenic and Sightseeing Transportation, OtherDetails →
- 488111Air Traffic ControlDetails →
- 488119Other Airport OperationsDetails →
- 488190Other Support Activities for Air TransportationDetails →
- 488210Support Activities for Rail TransportationDetails →
- 488310Port and Harbor OperationsDetails →
- 488320Marine Cargo HandlingDetails →
- 488330Navigational Services to ShippingDetails →
- 488390Other Support Activities for Water TransportationDetails →
- 488410Motor Vehicle TowingDetails →
- 488490Other Support Activities for Road TransportationDetails →
- 488510Freight Transportation ArrangementDetails →
- 488991Packing and CratingDetails →
- 488999All Other Support Activities for TransportationDetails →
- 713920Skiing FacilitiesDetails →
- 812930Parking Lots and GaragesDetails →
Grouped by evidence strength · How our conversions work →