Top DoD power, distribution, and specialty transformer manufacturing contractors
In the 12 months ending Oct 5, 2026, the Department of Defense obligated $271.2M in net prime contract dollars under NAICS 335311, up 3.2% from $262.9M in the preceding 12 months. 532 prime contractors received positive obligations, and 25 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Defense. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
DoD publishes contract data to USAspending with a 90-day delay, so the most recent months understate DoD activity.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top DoD contractors for NAICS 335311
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | PAF Electrical, Inc. | $57.0M | $0 | 20.7% | New |
| 2 | Tepco Energy Partner, Incorporated | $37.8M | $64.6M | 13.8% | ▼ 1 |
| 3 | Vincorion LLC | $22.3M | $6.4M | 8.1% | ▲ 6 |
| 4 | Teledyne Instruments Inc | $19.0M | $810K | 6.9% | ▲ 34 |
| 5 | The Chugoku Electric Power Company, Incorporated | $13.5M | $23.1M | 4.9% | ▼ 3 |
| 6 | Siemens Industry Inc | $11.3M | $5.2M | 4.1% | ▲ 5 |
| 7 | RCT Systems, Inc | $7.7M | $628K | 2.8% | ▲ 46 |
| 8 | P.A.R. Products Co | $6.9M | $4.1M | 2.5% | ▲ 5 |
| 9 | General Dynamics Land Systems Inc. | $6.8M | $6.5M | 2.5% | ▼ 1 |
| 10 | Triman Industries Inc | $6.6M | $1.2M | 2.4% | ▲ 19 |
| 11 | Tohoku Electric Power Company Incorporated | $4.5M | $8.9M | 1.6% | ▼ 6 |
| 12 | Massa Products Corporation | $3.4M | $0 | 1.2% | New |
| 13 | Continuous Solutions Inc | $3.4M | $750K | 1.2% | ▲ 32 |
| 14 | Phillip Cable Manufacturing, Inc. | $3.0M | $6.3M | 1.1% | ▼ 4 |
| 15 | DRS Naval Power Systems Inc | $2.8M | $7.4M | 1.0% | ▼ 9 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- PAF Electrical, Inc.$0 → $57.0M (+$57.0M) · now #1
- Teledyne Instruments Inc$810K → $19.0M (+$18.2M) · now #4
- Vincorion LLC$6.4M → $22.3M (+$15.9M) · now #3
Largest declines
- Tepco Energy Partner, Incorporated$64.6M → $37.8M (−$26.8M) · now #2
- l3 Technologies, Inc.$17.2M → $11K (−$17.2M) · now #335
- The Chugoku Electric Power Company, Incorporated$23.1M → $13.5M (−$9.6M) · now #5
New to this market
124 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| PAF Electrical, Inc. | Feb 20, 2026 | $57.0M |
| Galvion Ltd | Oct 6, 2025 | $857K |
| Yellowstone Electric Co | Apr 1, 2026 | $749K |
| Innomotics LLC | May 28, 2026 | $697K |
| Essex Electro Engineers Inc | Mar 19, 2026 | $667K |
| Clarke Hess Communication Research Corp | Mar 13, 2026 | $540K |
| K.i.system Co.,ltd. | Jun 3, 2026 | $481K |
| Federal Prison Industries, Inc | Jan 21, 2026 | $463K |
Where the money comes from
Funding sub-agencies within the Department of Defense, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| Department of the Army | $97.4M | $37.5M | Up $59.9M (159.5%) |
| Department of the Navy | $92.5M | $127.1M | Down $34.5M (27.2%) |
| Defense Logistics Agency | $52.1M | $63.6M | Down $11.5M (18.0%) |
| Department of the Air Force | $29.1M | $34.6M | Down $5.5M (16.0%) |
| Defense Health Agency | $32K | $7K | Up $25K (368.9%) |
| Washington Headquarters Services | $5K | $48K | Down $43K (90.2%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| FA910124FB005 | Siemens Industry Inc REPLACE SPS SWITCHGEAR WITH GIS BUILDING 1507 | $14.1M | Nov 20, 2026 |
| N0010425CYB32 | P.A.R. Products Co CABLE ASSEMBLY,POWE | $2.2M | Feb 12, 2027 |
| SPRBL126F0125 | Vincorion LLC DELIVERY ORDER ELECTRICAL PARTS KIT NSN: 6115-01-608-5870 | $2.2M | Feb 16, 2027 |
| W912CH25F0031 | Kipper Tool Company HYDRAULIC, ELECTRIC, PNEUMATIC, PETROLEUM, OPERATED, EQUIPMENT (HEPP0E) DELIVERY ORDER FOR QTY. 7 | $1.9M | May 31, 2027 |
| SPRDL125C0048 | DRS Network & Imaging Systems LLC NOUN: DISTRIBUTING SYSTEM, ELECTRICAL, NSN: 6150-01-699-8530 P/N: PR63636, QTY 94/0% | $7.0M | Jun 5, 2027 |
| FA910126FB010 | Siemens Industry Inc VKF SWITCHGEAR (REPLACE 6.9 KV SWITCHGEAR-VKF, FAC, 651) | $9.9M | Sep 5, 2027 |
| N6449826F0018 | Triman Industries Inc PROCUREMENT OF 18 DIGITAL VOLTAGE REGULATORS (DVR) SYSTEM ASSEMBLIES | $6.1M | Nov 2, 2027 |
| SPRBL126F0041 | Vincorion LLC ENGINE, DIESEL | $14.0M | Dec 8, 2027 |
| W912CH25F0344 | General Dynamics Land Systems Inc. STRYKER ENHANCED POWER DISTRIBUTION UNIT VERSION TWO DELIVERY ORDER | $13.2M | Mar 27, 2028 |
| N0002421C4109 | RCT Systems, Inc RCT SYSTEMS, INC. FOR RESEARCH AND DEVELOPMENT ACTIVITIES OF NAVY ADVANCED SHIPBOARD ELECTRICAL POWER AND ENERGY SYSTEMS AND COMPONENTS. | $51.8M | Mar 31, 2028 |
Common questions
Who are the top DoD contractors for NAICS 335311?
In the latest 12 months, PAF Electrical, Inc. ($57.0M), Tepco Energy Partner, Incorporated ($37.8M), Vincorion LLC ($22.3M) received the most DoD obligations for power, distribution, and specialty transformer manufacturing.
How concentrated is this market?
The eight largest primes held 63.9% of positive obligations, and PAF Electrical, Inc. alone held 20.7%. 124 contractors won their first obligations in this market during the latest 12 months.
Are any large DoD NAICS 335311 contracts ending soon?
10 of the largest awards in this market reach their current end date in the next 18 months. The first is FA910124FB005 (Siemens Industry Inc, $14.1M obligated), ending Nov 20, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 335311 across all agencies
DOT · NAICS 335311
$6.3MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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