SOURCES, VERSIONS & WHAT CHANGED
Why an industry-code update is more than find and replace
What the 2017 → 2022 industry concordance tells you before updating your records.
One old code can require a real decision
The 2017 code 454110, Electronic Shopping and Mail-Order Houses, connects to 42 different 2022 codes. A blanket replacement would lose the distinction between the activities of individual businesses.
| 2022 code | 2022 title |
|---|---|
| 441227 | Motorcycle, ATV, and All Other Motor Vehicle Dealers |
| 441330 | Automotive Parts and Accessories Retailers |
| 441340 | Tire Dealers |
| 444140 | Hardware Retailers |
| 444180 | Other Building Material Dealers |
What to do with this
Join on the old code, inspect multiple matches, and use the business's activity to choose its new classification. Check your row counts before aggregating customer measures.
What these numbers mean
This compares classification editions, not two releases of our file. The concordance has 1,057 old codes and 1,012 new codes. There are 902 pairs with the same code and title, but a matching title alone does not establish an unchanged definition.
These are mapping counts, not counts of businesses that changed industries. The file contains no 2027 classification.
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