NAIC - SIC Codes Crosswalk » NAICS Code-221121-Electric-Bulk-Power-Transmission-and-Control-157

NAIC 221121 Electric Bulk Power Transmission and Control = SIC 4939 Combination Utilities, NEC

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NAICS vs SIC Codes and SIC vs NAICCodes

NAIC 221121 Electric Bulk Power Transmission and Control = SIC 4939 Combination Utilities, Not Elsewhere Classified NEC