System Atlas
NAICS 221121
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Electric Bulk Power Transmission and Control

This U.S. industry comprises establishments primarily engaged in operating electric power transmission systems and/or controlling (i.e., regulating voltages) the transmission of electricity from the generating source to distribution centers or other electric utilities. It has no schema of its own: companies here are mapped on the Universal schema, and what it does not cover is recorded as gaps.

Baseline
Universal v1
Inherited from
Universal
Companies mapped
0 of 0
Primitives
47 in 8 parts
Last updated
Nov 2, 2026