NAICS 221121
Electric Bulk Power Transmission and Control
RampedUp holds 2,701,062 professional profiles classified to 2022 NAICS 221121 as of the build — 1.1% of all profiles carrying a NAICS classification. Of those, 1,671,201 carry a professional email address and 358,294 carry a mobile number. Ranked #25 of 370 codes.
What NAICS 221121 covers
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. Cross-References. Establishments primarily engaged in--
Official 2022 NAICS definition. Sector 22 — Utilities. Mapped in the RampedUp taxonomy to Utilities.
What the records carry
Field coverage for NAICS 221121, August 2026 build.
| Field on the record | Records | Share of 221121 | Share across all NAICS |
|---|---|---|---|
| Professional email | 1,671,201 | 61.9% | 50.8% |
| Personal email | 454,694 | 16.8% | 16.0% |
| Phone (any) | 2,516,547 | 93.2% | 89.3% |
| Mobile number | 358,294 | 13.3% | 13.4% |
| Primary contact record | 1,771,642 | 65.6% | 63.9% |
| All five present on one record | 134,954 | 5.0% | 4.5% |
Counts come from the RampedUp August 2026 build. RampedUp's crosswalk maps each 6-digit 2022 NAICS code to exactly one industry in its own taxonomy, so this is that industry's population viewed under the NAICS classification — not a separate tally.
Comparable NAICS codes
The codes ranked either side of 221121 by profile count.
| # | Code | Title | Profiles | Professional email |
|---|---|---|---|---|
| 23 | 333248 | All Other Industrial Machinery Manufacturing | 2,912,277 | 1,441,983 |
| 24 | 611110 | Elementary and Secondary Schools | 2,803,180 | 1,250,086 |
| 26 | 561311 | Employment Placement Agencies | 2,680,586 | 1,213,173 |
| 27 | 481111 | Scheduled Passenger Air Transportation | 2,295,634 | 1,509,224 |
Questions about NAICS 221121
What is NAICS code 221121?
221121 — 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. The transmission system includes lines and transformer stations. Cross-References. Establishments primarily engaged in--
How many contacts does RampedUp have for NAICS 221121?
2,701,062 professional profiles as of the August 2026 build, which is 1.1% of all profiles carrying a NAICS classification. Counts come from the RampedUp August 2026 build. RampedUp's crosswalk maps each 6-digit 2022 NAICS code to exactly one industry in its own taxonomy, so this is that industry's population viewed under the NAICS classification — not a separate tally.
What contact details are available for NAICS 221121?
1,671,201 records carry a professional email address (61.9%), 454,694 a personal email address, 2,516,547 a phone number and 358,294 a mobile number.
Need this cross-filtered?
Exact counts for NAICS 221121 on its own. For this code combined with a title level, company size or a required field, ask and we will run it against the live file.