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 →
SIC401RailroadsNAICS
No one-to-one equivalent. The closest verified matches are below.
Approximate17
Same family via official correspondence tables (via ISIC 523, 522, 491) — related activities, not one-to-one matches.
- 4821Rail TransportationDetails →
- 4882Support Activities for Rail TransportationDetails →
- 4885Freight Transportation ArrangementDetails →
- 4883Support Activities for Water TransportationDetails →
- 4889Other Support Activities for TransportationDetails →
- 4884Support Activities for Road TransportationDetails →
- 4881Support Activities for Air TransportationDetails →
- 8129Other Personal ServicesDetails →
- 4853Taxi and Limousine ServiceDetails →
- 4871Scenic and Sightseeing Transportation, LandtDetails →
- 2382Building Equipment ContractorsDetails →
- 3366Ship and Boat BuildingDetails →
- 8114Personal and Household Goods Repair and MaintenanceDetails →
- 5617Services to Buildings and DwellingsDetails →
- 8113Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and MaintenanceDetails →
- 7115Independent Artists, Writers, and PerformersDetails →
- 8112Electronic and Precision Equipment Repair and MaintenanceDetails →
Inferred7
Share the same standardized ISIC bucket, ranked by description similarity — not from an official table.
Show 7 inferred matches
- 482112Short Line RailroadsDetails →
- 482111Line-Haul RailroadsDetails →
- 48821Support Activities for Rail TransportationDetails →
- 48849Other Support Activities for Road TransportationDetails →
- 81143Footwear and Leather Goods RepairDetails →
- 81149Other Personal and Household Goods Repair and MaintenanceDetails →
- 48531Taxi and Ridesharing ServicesDetails →
Broader1
Show 1 broader category containing the matches above
Grouped by evidence strength · How our conversions work →