Top DoD motor vehicle transmission and power train parts manufacturing contractors
In the 12 months ending Oct 5, 2026, the Department of Defense obligated $95.9M in net prime contract dollars under NAICS 336350, down 74.2% from $371.5M in the preceding 12 months. 235 prime contractors received positive obligations, and 17 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 336350
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 | Renk America LLC | $20.8M | $253.5M | 21.5% | — |
| 2 | Clarke Power Services Inc | $12.1M | $20.5M | 12.5% | ▲ 1 |
| 3 | MTP Drivetrain Services, L.L.C. | $10.4M | $7.2M | 10.8% | ▲ 4 |
| 4 | Twin Disc, Incorporated | $6.6M | $449K | 6.8% | ▲ 27 |
| 5 | Oshkosh Defense LLC | $5.5M | $9.0M | 5.7% | ▲ 1 |
| 6 | Ruta Supplies Inc | $4.0M | $4.3M | 4.1% | ▲ 2 |
| 7 | LOC Performance Products LLC | $3.2M | $954K | 3.3% | ▲ 10 |
| 8 | Honeywell International Inc. | $2.9M | $0 | 3.0% | New |
| 9 | AM General LLC | $2.2M | $9.1M | 2.3% | ▼ 4 |
| 10 | Kampi Components Co Inc | $1.9M | $1.1M | 1.9% | ▲ 4 |
| 11 | Tecmotiv (USA), Inc. | $1.3M | $1.1M | 1.4% | ▲ 4 |
| 12 | Pioneer Industries, LLC | $1.2M | $193K | 1.3% | ▲ 42 |
| 13 | ECI Defense Group, Inc. | $1.1M | $354K | 1.1% | ▲ 24 |
| 14 | Melton Sales & Service | $1.1M | $104K | 1.1% | ▲ 63 |
| 15 | Penn Power Group LLC | $1.1M | $1.7M | 1.1% | ▼ 5 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Twin Disc, Incorporated$449K → $6.6M (+$6.1M) · now #4
- MTP Drivetrain Services, L.L.C.$7.2M → $10.4M (+$3.2M) · now #3
- Honeywell International Inc.$0 → $2.9M (+$2.9M) · now #8
Largest declines
- Renk America LLC$253.5M → $20.8M (−$232.7M) · now #1
- l3 Technologies, Inc.$24.6M → $0 (−$24.6M) · no latest-period obligations
- Federal Resources Supply Company, LLC$9.9M → $0 (−$9.9M) · no latest-period obligations
New to this market
54 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Honeywell International Inc. | Nov 18, 2025 | $2.9M |
| Caterpillar Inc | Apr 16, 2026 | $1.0M |
| Precision Transmission Inc | Dec 14, 2025 | $906K |
| Endeavor & Trust Co.,ltd | Dec 30, 2025 | $213K |
| Periparts Group Inc | May 20, 2026 | $199K |
| TNN Machining Company, L.L.C. | May 13, 2026 | $179K |
| Boeing Distribution, Inc. | Jan 26, 2026 | $168K |
| Icee Equipment, LLC | Apr 24, 2026 | $166K |
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 | $72.5M | $335.0M | Down $262.5M (78.4%) |
| Defense Logistics Agency | $23.0M | $35.1M | Down $12.1M (34.5%) |
| Department of the Navy | $353K | $1.3M | Down $952K (73.0%) |
| Department of the Air Force | $53K | $122K | Down $69K (56.8%) |
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 |
|---|---|---|---|
| SPRDL124F0119 | Twin Disc, Incorporated DELIVERY ORDERS | $11.1M | Oct 26, 2026 |
| SPRDL126F0037 | Clarke Power Services Inc THIS IS A DELIVERY ORDER FOR 69 EA., TRANSMISSION, MECHANICAL, NSN: 2520-01-548-4841. | $4.2M | Nov 16, 2026 |
| SPRDL125F0162 | AM General LLC DELIVERY ORDER TO ADD 1,274 EA | $8.6M | Nov 23, 2026 |
| SPRDL125C0107 | MTP Drivetrain Services, L.L.C. FIRM FIXED PRICE CONTRACT FOR 122 EACH DRIVING AXLE DIFFERENTIALS. | $2.7M | Nov 23, 2026 |
| SPRDL125C0017 | MTP Drivetrain Services, L.L.C. NSN: 2520-01-562-6793 NAME: HYDRAULIC TRANSMISSION QTY: 145 W/100% OPTION | $7.3M | Nov 30, 2026 |
| SPRDL126C0013 | Honeywell International Inc. NOUN: REPAIR KIT, CONDENSER. NSN: 2540-01-377-7820. P/N: 5705516. QTY: 455 EA. 100% | $2.9M | Dec 23, 2026 |
| SPRDL124F0261 | Twin Disc, Incorporated DELIVERY ORDER TO ADD 24 EA NSN: 2520-01-417-4144 | $5.7M | Apr 26, 2027 |
| SPRDL126F0035 | LOC Performance Products LLC FIRST DELIVERY ORDER ISSUED AGAINST LTC SPRDL1-26-D-0010 FINAL DRIVE VEHICULAR NSN: 2520-01-633-2049 MFPN: 12542293 QTY: 208 EA | $2.8M | May 6, 2027 |
| SPRDL126F0091 | Clarke Power Services Inc THIS IS A DELIVERY ORDER FOR 100 EA, TRANSMISSIONS, MECHANICAL, NSN 2520-01-548-4841. | $6.2M | Jul 2, 2027 |
| SPRDL125F0158 | Clarke Power Services Inc REPAIR KIT, MECHANIC FIRST DELIVERY ORDER AGAINST 5 YR LTC | $6.1M | Jul 24, 2027 |
Common questions
Who are the top DoD contractors for NAICS 336350?
In the latest 12 months, Renk America LLC ($20.8M), Clarke Power Services Inc ($12.1M), MTP Drivetrain Services, L.L.C. ($10.4M) received the most DoD obligations for motor vehicle transmission and power train parts manufacturing.
How concentrated is this market?
The eight largest primes held 67.8% of positive obligations, and Renk America LLC alone held 21.5%. 54 contractors won their first obligations in this market during the latest 12 months.
Are any large DoD NAICS 336350 contracts ending soon?
10 of the largest awards in this market reach their current end date in the next 18 months. The first is SPRDL124F0119 (Twin Disc, Incorporated, $11.1M obligated), ending Oct 26, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
Figures 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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