North American Industry Classification System (NAICS) code 221121 is used by federal buyers for market research, set-aside size standards, and reporting. Official titles come from the Census Bureau NAICS structure.
Official definition
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. The transmission system includes lines and transformer stations.
- Official title
- Electric Bulk Power Transmission and Control
- Code level
- 6
- Parent industry
- Electric Power Transmission, Control, and Distribution 22112
- Open opportunities
- 0 open · 3 active
SBA small-business size standard
950 employees
Employee-count basis
Check this standard and its exceptionsExcluded or separately classified activities
Official Census cross-references identify activities that belong under another North American Industry Classification System (NAICS) code.
Distributing electricity to final consumers--are classified in U.S. Industry 221122, Electric Power Distribution.
Generating electric energy--are classified in Industry 22111, Electric Power Generation; and
Source and edition
2022 NAICS Manual definition and reference material from the U.S. Census Bureau.