NAICS Code 221121: Electric Bulk Power Transmission and Control
National industry
SBA small business size standard: 950 employees
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.
Government contracts for this service: PSC S112 Electric Services
Code facts
- Part of
-
-
22
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221
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2211
- 22112
-
2211
-
221
-
22
- Contract awards
- 28 In the last 12 months
- Contract obligations
- $41,099,714 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Business activities under NAICS 221121
- Electric power control
- Electric power transmission systems
- Transmission of electric power
Looking for another activity? Search the NAICS code lookup or browse business activities from A to Z.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | -$22,344 |
| FY2026 | $31,637,808 |
| FY2025 | $41,099,714 |
| FY2024 | $33,882,696 |
| FY2023 | $36,780,773 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Sho-Me Power Electric Cooperative | $16,192,335 | |
| 2 | Ohio Valley Electric Corporation | $7,675,000 | |
| 3 | Virginia Electric And Power Company | $6,676,727 | |
| 4 | Al Nakhla Investment Company | $327,179 | |
| 5 | Gosselin Mobility Moscow LLC | $248,047 | |
| 6 | Barrow Utilities And Electric Cooperative Inc. | $227,000 | |
| 7 | Honeywell Building Solutions GMBH | $225,457 | |
| 8 | Siemens Industry Inc. | $217,352 | |
| 9 | Potomac Electric Power Co | $186,781 | |
| 10 | City Of Alcoa | $99,940 |
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Army | $16,417,792 | |
| 2 | Department of Energy | $7,203,201 | |
| 3 | Department of Justice | $6,518,711 | |
| 4 | Department of State | $750,003 | |
| 5 | Air Force | $654,119 | |
| 6 | Department of Homeland Security | $90,630 | |
| 7 | International Boundary and Water Commission U.S.-Mexico | $5,395 | |
| 8 | National Aeronautics and Space Administration | $1,578 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | S112 Electric Services | $30,582,996 | |
| 2 | J059 Maintenance, Repair and Rebuilding of Equipment: Electrical and Electronic Equipment Components | $265,457 | |
| 3 | Z1AZ Maintenance of Other Administrative Facilities and Service Buildings | $248,047 | |
| 4 | 5999 Miscellaneous Electrical and Electronic Components | $217,352 | |
| 5 | 5977 Electrical Contact Brushes and Electrodes | $71,772 | |
| 6 |
H399 Inspection and Laboratory Services (except medical/ |
$71,342 | |
| 7 | N061 Installation of Equipment: Electric Wire, and Power and Distribution Equipment | $49,494 | |
| 8 | 5935 Connectors, Electrical | $37,458 | |
| 9 | 6110 Electrical Control Equipment | $20,800 | |
| 10 | 7B21 IT and Telecom – Compute: Mainframe (Hardware and Perpetual License Software) | $19,868 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Missouri | $16,192,335 | |
| 2 | Ohio | $7,390,000 | |
| 3 | Virginia | $6,287,171 | |
| 4 | Alaska | $227,000 | |
| 5 | District of Columbia | $219,228 | |
| 6 | Maryland | $217,352 | |
| 7 | Illinois | $67,000 | |
| 8 | Louisiana | $20,800 | |
| 9 | Oregon | $16,654 | |
| 10 | Texas | $6,973 |
Shares are of everything obligated under NAICS 221121 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 221 listed here. See the rest on GovTribe.
Size standard history
Federal Register rules that named this code
From the NAICS codes each rule's amendments to 13 CFR 121.201 name. Rules that print their size standard tables as images aren't listed.
Quick answers
What is NAICS 221121?
NAICS 221121 is Electric Bulk Power Transmission and Control, a national industry in NAICS 22, Utilities.
What is the NAICS code for electric power control?
The NAICS code for electric power control is 221121, Electric Bulk Power Transmission and Control.
What is the NAICS code for transmission of electric power?
The NAICS code for transmission of electric power is 221121, Electric Bulk Power Transmission and Control.
When did the size standard for NAICS 221121 last change?
The most recent Federal Register rule on record that names NAICS 221121 in the SBA's size standards is "Small Business Size Standards: Manufacturing and Industries With Employee-Based Size Standards in Other Sectors Except Wholesale Trade and Retail Trade" (88 FR 9970), published Feb 15, 2023 and effective Mar 17, 2023.
How much do federal agencies spend under NAICS 221121?
Federal contracts under NAICS 221121 obligated $41,099,714 in fiscal year 2025 and $143,378,647 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 221121?
The contractors with the most obligated under NAICS 221121 in fiscal years 2026 and 2027 are Sho-Me Power Electric Cooperative ($16,192,335), Ohio Valley Electric Corporation ($7,675,000) and Virginia Electric And Power Company ($6,676,727).
Which agencies buy the most under NAICS 221121?
The agencies that obligated the most under NAICS 221121 in fiscal years 2026 and 2027 are Department of the Army ($16,417,792), Department of Energy ($7,203,201) and Department of Justice ($6,518,711).
Which PSC codes are used with NAICS 221121?
The PSC codes with the most obligated under NAICS 221121 in fiscal years 2026 and 2027 are S112 Electric Services; J059 Maintenance, Repair and Rebuilding of Equipment: Electrical and Electronic Equipment Components; and Z1AZ Maintenance of Other Administrative Facilities and Service Buildings.
Where is the work under NAICS 221121 performed?
By place of performance, the states with the most contract obligations under NAICS 221121 over the last 12 months are Missouri ($16,192,335), Ohio ($7,390,000) and Virginia ($6,287,171).
What is the latest contract opportunity under NAICS 221121?
The latest contract opportunity under NAICS 221121 is Naval Station Rota Electricity Service, pre-solicitation from Naval Facilities Engineering Command (Navy), posted October 5, 2026.
On GovTribe
See everything under NAICS 221121
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