NAICS Code 221121 — Electric Bulk Power Transmission and Control
National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 2 national industries under 22112 (Electric Power Transmission, Control, and Distribution).
| Code | 221121 |
|---|---|
| Title | Electric Bulk Power Transmission and Control |
| Level | National Industry (6-digit) |
| Edition | NAICS 2022 edition |
| SBA size standard | 950 employees |
Official definition (2022 NAICS)
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.
Is a business under 221121 "small"?
Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 221121 qualifies as a small business if it does not exceed 950 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.
Where 221121 sits in the hierarchy
| Level | Code | Title |
|---|---|---|
| Sector | 22 | Utilities |
| Subsector | 221 | Utilities |
| Industry Group | 2211 | Electric Power Generation, Transmission and Distribution |
| NAICS Industry | 22112 | Electric Power Transmission, Control, and Distribution |
| National Industry | 221121 | Electric Bulk Power Transmission and Control |
Related SIC codes
Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.
| SIC code | Title |
|---|---|
4911 | Electric Services |
4931 | Electric and Other Services Combined |
4939 | Combination Utilities, Not Elsewhere Classified |
Related National Industry codes
221122— Electric Power Distribution
Not sure this is the right code?
Describe your business in plain English with the free NAICS code lookup, convert legacy codes with the SIC to NAICS crosswalk, or classify in bulk via the API (25 free calls/month).
Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.