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Cross-system equivalents backed by official correspondence tables and exact code matches — never guesses. Approximate mappings are labeled. How it works →
No verified match yet for SCIAN 237133
We only show conversions backed by official tables or exact matches — a verified SCIAN → NAICS mapping for 237133 Supervision of the construction of electrical power generation and transmission works and telecommunications works isn't available. Broader matches may exist at a higher level: