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SIC 8249 to NAICS Code Crosswalk

The legacy 1987 SIC code 8249 (Vocational Schools, NEC) maps transitively to modern U.S. Census 2022 NAICS code(s): 611512, 611513, 611519.

Concordance Concordance Mapping Asset

Source Code Source Industry Target Code Target Industry Relation Concordance Path
SIC 8249 Vocational Schools, NEC NAICS 611512 Flight Training One-to-Many SIC1987:8249 → NAICS1997:611512 → 2002:611512 → 2007:611512 → 2012:611512 → 2017:611512 → 2022:611512
SIC 8249 Vocational Schools, NEC NAICS 611513 Apprenticeship Training One-to-Many SIC1987:8249 → NAICS1997:611513 → 2002:611513 → 2007:611513 → 2012:611513 → 2017:611513 → 2022:611513
SIC 8249 Vocational Schools, NEC NAICS 611519 Other Technical and Trade Schools One-to-Many SIC1987:8249 → NAICS1997:611519 → 2002:611519 → 2007:611519 → 2012:611519 → 2017:611519 → 2022:611519

Why Concordances Don't Line Up 1:1

The Standard Industrial Classification (SIC) system was established in 1937 and last updated in 1987, organizing businesses by end products. The North American Industry Classification System (NAICS) replaced it in 1997, classifying establishments by production processes. Because of this structural shift, many-to-many relationships are common, requiring chained concordance steps to bridge the historical gap.

Reverse Crosswalk: Going the other way? See the mapping at NAICS 611512 to SIC, NAICS 611513 to SIC, NAICS 611519 to SIC.

Related Pages & Tools

Primary Ingestion Source

Data sourced from the U.S. Census Bureau Concordances (1997, 2002, 2007, 2012, 2017, and 2022 editions). Last verified on 2026-06-30.