Industries › NAICS 335311
Industry · NAICS 335311 · sector 31-33 Manufacturing
Power, Distribution, and Specialty Transformer Manufacturing
Federal contract obligations classified under NAICS 335311, the organisations that win them and the agencies that award them.
USAspending caveat. Figures are obligations reported by federal agencies to USAspending.gov, not payments. In USAspending's words: "An outlay occurs when federal money is actually paid out, not just promised to be paid ('obligated')." "Every agency has a Senior Accountable Official who must officially certify that the quarterly financial data submitted by their agency is accurate and complete." "If there are any discrepancies in procurement data, FPDS is the authoritative source." Contract data for the Department of Defense and the U.S. Army Corps of Engineers is published with a 90-day delay. Data loaded 30 Sep 2026.
Federal agencies obligated $327M in contracts classified under NAICS 335311, Power, Distribution, and Specialty Transformer Manufacturing, in FY2026, and $1.3B over the five fiscal years since FY2023; the industry ranks 170 of 526 on this site.
Obligations were about level on FY2025 ($311M), with $0 so far in FY2027.
The largest recipient organisations over FY2022–FY2025 were Tepco Energy Partner, Incorporated ($306M), The Chugoku Electric Power Company, Incorporated ($108M) and Tohoku Electric Power Company Incorporated ($67M).
By place of performance, the most money went to WI, NJ and KY.
Contract obligations by fiscal year
Compared with the largest industry FY2026
| Measure | This industry | Aircraft Manufacturing | All contracts |
|---|---|---|---|
| Contract obligations, FY2026 | $327M | $45B | $716B |
| Five-year total | $1.3B | $211B | $3.0T |
| Share of all contract obligations, five years | 0% | 7.1% | 100% |
Top contractors obligations, FY2022–FY2025
| # | Organisation | Obligations |
|---|---|---|
| 1 | Tepco Energy Partner, Incorporated | $306M |
| 2 | The Chugoku Electric Power Company, Incorporated | $108M |
| 3 | Tohoku Electric Power Company Incorporated | $67M |
| 4 | RCT Systems, Inc | $44M |
| 5 | Siemens Industry Inc | $35M |
| 6 | Vincorion LLC | $35M |
| 7 | DRS Naval Power Systems Inc | $33M |
| 8 | Yellowstone Electric Co | $30M |
| 9 | Teledyne Instruments Inc | $22M |
| 10 | Schneider Electric Usa, Inc. | $21M |
| 11 | Florida State University | $18M |
| 12 | L3 Technologies Inc | $17M |
| 13 | P.a.r. Products Co | $14M |
| 14 | Lithion Battery Inc. | $13M |
| 15 | Phillip Cable Manufacturing, Inc. | $13M |
| 16 | Ducommun Labarge Technologies, Inc. | $12M |
| 17 | Kampi Components Co Inc | $12M |
| 18 | DRS Network & Imaging Systems LLC | $9.0M |
| 19 | Par Defense Industries, LLC | $9.0M |
| 20 | Jamaica Bearings Co., Inc. | $8.3M |
| 21 | G & RK Consulting Associates LLC | $8.0M |
| 22 | Champion Aerospace LLC | $7.2M |
| 23 | Tti, Inc. | $7.0M |
| 24 | Rev-Cap Company, Inc. | $6.9M |
| 25 | Brantner and Associates, Inc. | $6.7M |
Buying agencies $1.0M+ awards
Where the work is performed
Largest awards since FY2023
| Recipient | Awarding agency | Type | Award value | Begun | Place | Record |
|---|---|---|---|---|---|---|
| Paf Electrical, Inc. | Department of DefenseDepartment of the Army | ContractDefinitive Contract | $57M | 20 Feb 2026 | MT | USAspending |
| Yellowstone Electric Co | Department of DefenseDepartment of the Army | ContractDefinitive Contract | $31M | 20 Mar 2025 | KY | USAspending |
| Tepco Energy Partner, Incorporated | Department of DefenseDepartment of the Air Force | ContractDelivery Order | $27M | 1 Apr 2023 | — | USAspending |
| Tepco Energy Partner, Incorporated | Department of DefenseDepartment of the Air Force | ContractDelivery Order | $24M | 1 Apr 2025 | — | USAspending |
| Tepco Energy Partner, Incorporated | Department of DefenseDepartment of the Air Force | ContractDelivery Order | $22M | 1 Apr 2026 | — | USAspending |
| Tepco Energy Partner, Incorporated | Department of DefenseDepartment of the Air Force | ContractDelivery Order | $18M | 1 Apr 2024 | — | USAspending |
| The Chugoku Electric Power Company, Incorporated | Department of DefenseDepartment of the Air Force | ContractDelivery Order | $17M | 1 Oct 2022 | — | USAspending |
| Tepco Energy Partner, Incorporated | Department of DefenseDepartment of the Air Force | ContractDelivery Order | $17M | 1 Oct 2022 | — | USAspending |
| The Chugoku Electric Power Company, Incorporated | Department of DefenseDepartment of the Air Force | ContractDelivery Order | $17M | 1 Apr 2023 | — | USAspending |
| Vincorion LLC | Department of DefenseDefense Logistics Agency | ContractDelivery Order | $16M | 7 Jun 2024 | TX | USAspending |
Other industries in sector 31-33: Manufacturing
- 336411 Aircraft Manufacturing $211B
- 336414 Guided Missile and Space Vehicle Manufacturing $126B
- 336611 Ship Building and Repairing $118B
- 325412 Pharmaceutical Preparation Manufacturing $70B
- 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing $69B
- 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing $66B
- 324110 Petroleum Refineries $41B
- 336412 Aircraft Engine and Engine Parts Manufacturing $40B
- 332993 Ammunition (except Small Arms) Manufacturing $31B
- 336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing $26B
- 325411 Medicinal and Botanical Manufacturing $18B
- 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing $17B
- 339999 All Other Miscellaneous Manufacturing $15B
- 334111 Electronic Computer Manufacturing $13B
- 334290 Other Communications Equipment Manufacturing $9.7B
- 336419 Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing $8.1B
- 332410 Power Boiler and Heat Exchanger Manufacturing $8.1B
- 336111 Automobile Manufacturing $7.1B
- 336415 Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing $6.6B
- 339112 Surgical and Medical Instrument Manufacturing $6.2B
- 331410 Nonferrous Metal (except Aluminum) Smelting and Refining $6.1B
- 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing $5.9B
- 336212 Truck Trailer Manufacturing $5.5B
- 311999 All Other Miscellaneous Food Manufacturing $5.4B
Questions and answers
How much does the federal government spend on NAICS 335311?
$327M in contract obligations classified under Power, Distribution, and Specialty Transformer Manufacturing in FY2026, $1.3B over the five fiscal years since FY2023. Obligations are commitments, not payments.
Who are the top contractors in Power, Distribution, and Specialty Transformer Manufacturing?
Tepco Energy Partner, Incorporated ($306M), The Chugoku Electric Power Company, Incorporated ($108M), Tohoku Electric Power Company Incorporated ($67M), RCT Systems, Inc ($44M), Siemens Industry Inc ($35M), by contract obligations over FY2022–FY2025.
Which agencies buy in this industry?
By the value of $1.0M-plus contracts since FY2023: Department of Defense ($779M), Department of Transportation ($14M), Department of the Interior ($5.3M), Department of Energy ($3.5M), Department of Justice ($2.6M).
What is a NAICS code?
In USAspending's words: "NAICS stands for the North American Industrial Classification System. This 6-digit code tells you what industry the work falls into. Each contract record has a NAICS code." Assistance awards (grants, loans, direct payments) carry no NAICS code and are not counted here.
Provenance
Source: USAspending.gov API v2, spending by category (NAICS) by fiscal year, recipient cross-tabulation for FY2022–FY2025 and award search, loaded 30 Sep 2026. State figures come from each state's top-100 NAICS list, so small amounts in a state may be missing. See methodology.