Top DoD railroad rolling stock manufacturing contractors (NAICS 336510)
- Latest 12 months
- $7.0M
- Net obligations · Down $1.0M vs. $8.0M preceding
- Prime contractors
- 11
- With positive obligations in the latest 12 months
Research the DoD federal contracting market for railroad rolling stock manufacturing under NAICS 336510. Compare top federal contractors and market share, reported contract obligations and spending trends, funding-office attribution, recent award activity, and contract types, competition, and procurement methods.
Contract obligation trends for Railroad Rolling Stock Manufacturing at the Department of Defense
Federal records show $32.0M in net obligations across 105 awards in Railroad Rolling Stock Manufacturing at the Department of Defense from Oct 1, 2021 through Sep 10, 2026. This market accounts for 0.0014% of $2.3T in agency-wide net prime contract obligations over the period shown. Latest 12-month net obligations decreased 13.0% from $8.0M to $7.0M. 2 prime contractors accounted for at least 80% of positive obligations in that latest period.
Fiscal-year activity
FY26 is year-to-date through Sep 10, 2026; earlier years show complete fiscal-year totals.
View fiscal-year data table
| Fiscal year | Net obligations | Contract actions | Coverage |
|---|---|---|---|
| FY2022 | $8.5M | 33 | Complete |
| FY2023 | $4.9M | 31 | Complete |
| FY2024 | $3.6M | 35 | Complete |
| FY2025 | $8.3M | 40 | Complete |
| FY2026 | $6.8M | 23 | YTD through Sep 10, 2026 |
Market at a glance
All reported prime contract awards- All-period net obligations
- $32.0M
- 105 awards · 59 prime contractors
- Latest 12-month movement
- −13.0%
- $7.0M vs. $8.0M
- Leading eight prime share
- 99.7%
- Share held by the eight leading prime contractors in the latest 12 months
View agency share, denominators, and set-aside reporting
- Agency context
- 0.0014% of $2.3T in agency-wide net obligations.
- Set-aside share when reported
- 46.8% of 94 awards with reported set-aside status.
- Set-aside reporting
- 44 set aside · 50 no set-aside · 11 not reported
What changed in the last 12 months?
Sep 11, 2025–Sep 10, 2026, compared with Sep 11, 2024–Sep 10, 2025.
Competitive shifts
KNDS DEFENCE UK LIMITED was the largest newly observed contractor
Buyer demand
Reported obligations through W390 MCALESTER ARMY AMMO PLANT decreased
Market structure
Top-five contractor share increased
How these findings are calculated
Findings are selected from matched-period changes in obligations, share, rank, funding offices, concentration, reported set-asides, material award actions, and agency-peer outliers. Related signals are combined, and only material evidence-backed changes are shown. Review the full methodology.
Federal contract obligations by funding office
See how positive obligations were attributed across funding offices in the 12 months ending Sep 10, 2026.
43.7% of positive obligations were attributed to 0019 CS HHC HHC EXPEDITIONA. That represents $3.1M, down $120K from the preceding 12 months.
Latest 12-month share of positive obligations; the gray segment represents all other reported offices.
- 0019 CS HHC HHC EXPEDITIONA43.7% · $3.1M · down $120K
- W4GG HQ US ARMY TACOM37.2% · $2.6M · up $2.6M
- W390 MCALESTER ARMY AMMO PLANT9.8% · $688K · down $3.3M
- W6F7 916TH SPT BDE4.5% · $312K · up $312K
- DLA TROOP SUPPORT4.4% · $309K · up $90K
- All other reported offices0.43% of positive obligations
View reported office rankings, comparisons, and evidence
USAspending assigns each award to a funding office. That office may differ from the requiring activity, program office, contracting office, individual buyer, or actual customer.
Reported funding office
0019 CS HHC HHC EXPEDITIONA
#1Up 1 from #2Latest 12 months
$3.1M
43.7% of positive obligations
Versus preceding 12 months
−$120K
1 active prime contractor · 2 awards
View office comparison and evidence
Reported obligations decreased 3.8% from $3.2M to $3.1M. The office’s share of positive obligations moved from 39.5% to 43.7%, a change of +4.2 percentage points.
The latest period contains 2 actions across 2 awards. The preceding period contained 2 active prime contractors and 3 awards.
Reported funding office
W4GG HQ US ARMY TACOM
#2New to the positive-obligation rankingLatest 12 months
$2.6M
37.2% of positive obligations
Versus preceding 12 months
+$2.6M
1 active prime contractor · 1 award
View office comparison and evidence
Reported obligations rose from $0 to $2.6M. The office’s share of positive obligations moved from 0% to 37.2%, a change of +37.2 percentage points.
The latest period contains 4 actions across 1 award and 1 newly active prime contractor. The preceding period contained 0 active prime contractors and 0 awards.
Leading award-level changes
- KNDS DEFENCE UK LIMITED · PIID W912CH26C0004+$2.6M: $0 → $2.6M
Reported funding office
W390 MCALESTER ARMY AMMO PLANT
#3Down 2 from #1Latest 12 months
$688K
9.8% of positive obligations
Versus preceding 12 months
−$3.3M
3 active prime contractors · 3 awards
View office comparison and evidence
Reported obligations decreased 82.6% from $4.0M to $688K. The office’s share of positive obligations moved from 49.4% to 9.8%, a change of −39.5 percentage points.
The latest period contains 4 actions across 3 awards. The preceding period contained 8 active prime contractors and 9 awards.
Leading award-level changes
- AMERICAN EQUIPMENT COMPANY · PIID W519TC25C2009−$2.1M: $2.1M → $0
- RCE EQUIPMENT SOLUTIONS INC · PIID W519TC25P2199−$770K: $770K → $0
Reported funding office
W6F7 916TH SPT BDE
#4New to the positive-obligation rankingLatest 12 months
$312K
4.5% of positive obligations
Versus preceding 12 months
+$312K
1 active prime contractor · 2 awards
View office comparison and evidence
Reported obligations rose from $0 to $312K. The office’s share of positive obligations moved from 0% to 4.5%, a change of +4.5 percentage points.
The latest period contains 2 actions across 2 awards and 1 newly active prime contractor. The preceding period contained 0 active prime contractors and 0 awards.
Reported funding office
DLA TROOP SUPPORT
#5Down 2 from #3Latest 12 months
$309K
4.4% of positive obligations
Versus preceding 12 months
+$90K
6 active prime contractors · 8 awards
View office comparison and evidence
Reported obligations increased 41.3% from $219K to $309K. The office’s share of positive obligations moved from 2.7% to 4.4%, a change of +1.7 percentage points.
The latest period contains 8 actions across 8 awards and 4 newly active prime contractors. The preceding period contained 5 active prime contractors and 10 awards.
Reported funding office
W4QU USA ABERDEEN TEST CENTER
#6New to the positive-obligation rankingLatest 12 months
$31K
0.44% of positive obligations
Versus preceding 12 months
+$31K
1 active prime contractor · 1 award
View office comparison and evidence
Reported obligations rose from $0 to $31K. The office’s share of positive obligations moved from 0% to 0.44%, a change of +0.4 percentage points.
The latest period contains 1 action across 1 award and 1 newly active prime contractor. The preceding period contained 0 active prime contractors and 0 awards.
Reported funding office
DLA AVIATION
No positive-obligation rankLatest 12 months
$0
0% of positive obligations
Versus preceding 12 months
−$182K
0 active prime contractors · 0 awards
View office comparison and evidence
Reported obligations decreased 100.0% from $182K to $0. The office’s share of positive obligations moved from 2.3% to 0%, a change of −2.3 percentage points.
The latest period contains 0 actions across 0 awards. The preceding period contained 1 active prime contractor and 1 award.
Reported funding office
W6TC 596TH USA TRANS SURF BDE
No positive-obligation rankLatest 12 months
$0
0% of positive obligations
Versus preceding 12 months
−$156K
1 active prime contractor · 1 award
View office comparison and evidence
Reported obligations decreased 100.0% from $156K to $0. The office’s share of positive obligations moved from 1.9% to 0%, a change of −1.9 percentage points.
The latest period contains 1 action across 1 award. The preceding period contained 1 active prime contractor and 1 award.
Reported funding office
W0QF HQ SURFACE DEPL & DISTR CMD
No positive-obligation rankLatest 12 months
$0
0% of positive obligations
Versus preceding 12 months
−$153K
1 active prime contractor · 1 award
View office comparison and evidence
Reported obligations decreased 100.0% from $153K to $0. The office’s share of positive obligations moved from 1.9% to 0%, a change of −1.9 percentage points.
The latest period contains 2 actions across 1 award and 1 newly active prime contractor. The preceding period contained 1 active prime contractor and 1 award.
Contract types, competition, and procurement methods
From Sep 11, 2025 through Sep 10, 2026, 14 awards had positive obligations totaling $7.0M. Simplified Acquisition was the leading reported procedure, accounting for 61.3% of positive obligations. Awards with a reported parent IDV accounted for 43.7%.
- Leading award type
- 43.7%
- Delivery Order
- Leading reported procedure
- 61.3%
- Simplified Acquisition
- Reported parent IDV
- 43.7%
- of positive obligations had a reported parent IDV
- Median reported offers
- 3
- 13 of 14 awards reported offers
Buying method changes
Compared with Sep 11, 2024–Sep 10, 2025. Based on 14 current awards and 27 preceding awards with positive net obligations.
- Simplified Acquisition obligation share
- 61.3%
- Down from 100.0% in the preceding period
- Median positive award obligations
- $78K
- Up from $43K in the preceding period
How to read these changes
Directional color and the Up or Down labels show historical movement only. Green does not mean favorable and red does not mean unfavorable; neither predicts a future procurement method.
View buying-method details and data coverage
Award types
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Delivery Order(C) | 1 | $3.1M | 43.7% |
| Definitive Contract(D) | 2 | $2.6M | 37.6% |
| Purchase Order(B) | 11 | $1.3M | 18.7% |
Reported parent-award types
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| IDC(B) | 1 | $3.1M | 43.7% |
| Not reported | 13 | $3.9M | 56.3% |
Single- or multiple-award parent structure
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Single Award(S) | 1 | $3.1M | 43.7% |
| Not reported | 13 | $3.9M | 56.3% |
Solicitation procedures
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Simplified Acquisition(SP1) | 10 | $4.3M | 61.3% |
| Sss(ONLY ONE SOURCE) | 1 | $2.6M | 37.2% |
| Sp1(SIMPLIFIED ACQUISITION) | 3 | $110K | 1.6% |
Extent competed
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Competed Under SAP(F) | 10 | $4.3M | 61.3% |
| C(NOT COMPETED) | 1 | $2.6M | 37.2% |
| F(COMPETED UNDER SAP) | 3 | $110K | 1.6% |
Fair-opportunity and limited-source reporting
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Not reported | 14 | $7.0M | 100.0% |
Other-than-full-and-open reasons
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Only One Source-Other (FAR 6.302-1 Other)(ONE) | 1 | $2.6M | 37.2% |
| Not reported | 13 | $4.4M | 62.8% |
Contract pricing types
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Firm Fixed Price(J) | 10 | $4.3M | 61.3% |
| J(FIRM FIXED PRICE) | 4 | $2.7M | 38.7% |
Product or Service Codes
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Rail Cars(2220) | 1 | $3.1M | 43.7% |
| Locomotive and Rail Car Accessories and Components(2240) | 5 | $2.9M | 41.6% |
| Track Material, Railroad(2250) | 1 | $657K | 9.4% |
| Lubrication and Fuel Dispensing Equipment(4930) | 5 | $309K | 4.4% |
| Right-of-Way Construction and Maintenance Equipment, Railroad(2230) | 1 | $32K | 0.45% |
| Maint/Repair/Rebuild of Equipment- Railway Equipment(J022) | 1 | $31K | 0.44% |
Awarding subagencies
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| Department of the Army(2100) | 6 | $4.1M | 58.4% |
| Defense Contract Management Agency(9763) | 1 | $2.6M | 37.2% |
| Defense Logistics Agency(97AS) | 7 | $309K | 4.4% |
Awarding offices
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| 0906 Aq Co Det A Contracti(W90VN9) | 1 | $3.1M | 43.7% |
| Dcma Europe(SGR18A) | 1 | $2.6M | 37.2% |
| W6qk Acc-Ri(W519TC) | 1 | $657K | 9.4% |
| W6qm Micc-Ft Drum(W911S2) | 3 | $343K | 4.9% |
| Dla Troop Support(SPE8EE) | 7 | $309K | 4.4% |
| W6qk Acc-Apg(W91CRB) | 1 | $31K | 0.44% |
Reported parent IDVs
| Reported value | Awards | Positive obligations | Share |
|---|---|---|---|
| W90VN924D0015(9700) | 1 | $3.1M | 43.7% |
| Not reported | 13 | $3.9M | 56.3% |
Offers, award size, and timing
- Median reported offers
- 3 median
- 13 reported · 1 not reported
- Positive award obligations
- $78K median
- $15K–$233K middle 50%
- Reported performance period
- 181 days (~6 months) median
- 14 reported · 0 not reported
Calculations group latest-period actions by award, retain awards with positive net obligations for share denominators, and use each award's latest reported USAspending procurement fields as of Sep 10, 2026. Blank competition, pricing, PSC, or parent-IDV values remain not reported; they are not inferred. Offer counts must be positive and below the FPDS 999 placeholder. Awarding organizations can differ from the funding agency that defines this page.
Top federal contractors
Latest 12-month market share, concentration, and complete prime contractor rankings across the period shown.
- Prime contractor concentration
- 2 of 11prime contractors account for at least 80% of positive obligations in the last 12 months
- Largest prime contractor
- 43.7%of positive obligations in the last 12 months
- Leading four prime contractors
- 94.7%of positive obligations in the last 12 months
- Leading eight prime contractors
- 99.7%of positive obligations in the last 12 months
Based on $7.0M in positive obligations during the 12 months ending Sep 10, 2026. Individual shares and movement appear in the searchable rankings below. Movement compares with Sep 11, 2024–Sep 10, 2025.
Last 12mo obligation volume: Highest positive obligations first; net deobligations follow by magnitude; contractors with no activity in the last 12 months follow by all-period obligations. Ranks use the complete contractor list and remain fixed when search narrows the results.
- #1
Last 12mo obligations
$3.1M
43.7%
Dollar movement
−$120K
vs. prior 12 months
Last 12mo awards
2 awards
2 actions
Historical and award details for EASTERN R&E CO. LTD
- Obligations: prior → latest
- $3.2M → $3.1M
- −3.8%
- Share: prior → latest
- 39.5% → 43.7%
- +4.2 percentage points
- All-period obligations
- $9.3M
- 29.1% of all-period positive obligations · 3 awards
- Recorded activity
- Since May 27, 2024
- through Jan 26, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 0 0 Reported no set-aside 0 0 Not reported 2 2 Reported small business 0 0 All-period set-aside types
None reported.
- #2
Last 12mo obligations
$2.6M
37.2%
Dollar movement
+$2.6M
vs. prior 12 months
Last 12mo awards
1 award
4 actions
Historical and award details for KNDS DEFENCE UK LIMITED
- Obligations: prior → latest
- $0 → $2.6M
- Not comparable
- Share: prior → latest
- 0% → 37.2%
- +37.2 percentage points
- All-period obligations
- $2.6M
- 8.1% of all-period positive obligations · 1 award
- Recorded activity
- Since Oct 21, 2025
- through Nov 12, 2025
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 0 0 Reported no set-aside 1 0 Not reported 0 0 Reported small business 0 0 All-period set-aside types
None reported.
- #3
Last 12mo obligations
$657K
9.4%
Dollar movement
+$584K
vs. prior 12 months
Last 12mo awards
1 award
1 action
Historical and award details for HARMER STEEL PRODUCTS COMPANY
- Obligations: prior → latest
- $73K → $657K
- +803.2%
- Share: prior → latest
- 0.90% → 9.4%
- +8.5 percentage points
- All-period obligations
- $1.7M
- 5.4% of all-period positive obligations · 10 awards
- Recorded activity
- Since Apr 20, 2022
- through Mar 11, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 1 2 Reported no set-aside 0 1 Not reported 0 0 Reported small business 1 3 All-period set-aside types
- 7 · Total small business
- #4
Last 12mo obligations
$312K
4.5%
Dollar movement
+$312K
vs. prior 12 months
Last 12mo awards
2 awards
2 actions
Historical and award details for MILITARY AIRLIFT EXPERTS LLC (MILAIRX LLC)
- Obligations: prior → latest
- $0 → $312K
- Not comparable
- Share: prior → latest
- 0% → 4.5%
- +4.5 percentage points
- All-period obligations
- $312K
- 0.97% of all-period positive obligations · 2 awards
- Recorded activity
- Since Sep 16, 2025
- through Feb 25, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 2 0 Reported no set-aside 0 0 Not reported 0 0 Reported small business 2 0 All-period set-aside types
- 2 · Total small business
- #5
Last 12mo obligations
$224K
3.2%
Dollar movement
+$224K
vs. prior 12 months
Last 12mo awards
2 awards
2 actions
Historical and award details for ATAP INC
- Obligations: prior → latest
- $0 → $224K
- Not comparable
- Share: prior → latest
- 0% → 3.2%
- +3.2 percentage points
- All-period obligations
- $259K
- 0.81% of all-period positive obligations · 3 awards
- Recorded activity
- Since Apr 2, 2024
- through Nov 12, 2025
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 2 0 Reported no set-aside 0 0 Not reported 0 0 Reported small business 2 0 All-period set-aside types
- 3 · Total small business
- #6
Last 12mo obligations
$61K
0.87%
Dollar movement
+$61K
vs. prior 12 months
Last 12mo awards
1 award
1 action
Historical and award details for JA MOODY LLC
- Obligations: prior → latest
- $0 → $61K
- Not comparable
- Share: prior → latest
- 0% → 0.87%
- +0.9 percentage points
- All-period obligations
- $61K
- 0.19% of all-period positive obligations · 1 award
- Recorded activity
- Since Apr 2, 2026
- through Apr 2, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 0 0 Reported no set-aside 1 0 Not reported 0 0 Reported small business 0 0 All-period set-aside types
None reported.
- #7
Last 12mo obligations
$32K
0.45%
Dollar movement
+$32K
vs. prior 12 months
Last 12mo awards
1 award
2 actions
Historical and award details for VASTGLOBE LOGISTICS LLC
- Obligations: prior → latest
- $0 → $32K
- Not comparable
- Share: prior → latest
- 0% → 0.45%
- +0.5 percentage points
- All-period obligations
- $32K
- 0.10% of all-period positive obligations · 2 awards
- Recorded activity
- Since Apr 7, 2025
- through Dec 11, 2025
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 1 1 Reported no set-aside 0 0 Not reported 0 0 Reported small business 1 1 All-period set-aside types
- 2 · Total small business
- #8
Last 12mo obligations
$31K
0.44%
Dollar movement
+$31K
vs. prior 12 months
Last 12mo awards
1 award
1 action
Historical and award details for RAILMARK TRACK WORKS INC
- Obligations: prior → latest
- $0 → $31K
- Not comparable
- Share: prior → latest
- 0% → 0.44%
- +0.4 percentage points
- All-period obligations
- $31K
- 0.10% of all-period positive obligations · 1 award
- Recorded activity
- Since Apr 23, 2026
- through Apr 23, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 1 0 Reported no set-aside 0 0 Not reported 0 0 Reported small business 1 0 All-period set-aside types
- 1 · Total small business
- #9
Last 12mo obligations
$23K
0.33%
Dollar movement
−$7K
vs. prior 12 months
Last 12mo awards
2 awards
2 actions
Historical and award details for ECHELON SUPPLY AND SERVICE, INC.
- Obligations: prior → latest
- $30K → $23K
- −22.1%
- Share: prior → latest
- 0.37% → 0.33%
- 0.0 percentage points
- All-period obligations
- $70K
- 0.22% of all-period positive obligations · 11 awards
- Recorded activity
- Since Oct 13, 2022
- through Apr 10, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 0 0 Reported no set-aside 2 6 Not reported 0 0 Reported small business 0 0 All-period set-aside types
None reported.
- #10
Last 12mo obligations
$600
0.010%
Dollar movement
+$600
vs. prior 12 months
Last 12mo awards
1 award
1 action
Historical and award details for OPTIPLEX LLC
- Obligations: prior → latest
- $0 → $600
- Not comparable
- Share: prior → latest
- 0% → 0.010%
- 0.0 percentage points
- All-period obligations
- $600
- 0% of all-period positive obligations · 1 award
- Recorded activity
- Since Apr 27, 2026
- through Apr 27, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 0 0 Reported no set-aside 1 0 Not reported 0 0 Reported small business 1 0 All-period set-aside types
None reported.
- #11
Last 12mo obligations
$283
0%
Dollar movement
+$283
vs. prior 12 months
Last 12mo awards
1 award
1 action
Historical and award details for KAMPI COMPONENTS CO INC
- Obligations: prior → latest
- $0 → $283
- Not comparable
- Share: prior → latest
- 0% → 0%
- 0.0 percentage points
- All-period obligations
- $283
- 0% of all-period positive obligations · 1 award
- Recorded activity
- Since Feb 19, 2026
- through Feb 19, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 0 0 Reported no set-aside 1 0 Not reported 0 0 Reported small business 1 0 All-period set-aside types
None reported.
- #12
Last 12mo obligations
−$4
0%
Dollar movement
−$4
vs. prior 12 months
Last 12mo awards
1 award
1 action
Historical and award details for BAREL LLC
- Obligations: prior → latest
- $0 → −$4
- Not comparable
- Share: prior → latest
- 0% → 0%
- 0.0 percentage points
- All-period obligations
- $266K
- 0.83% of all-period positive obligations · 3 awards
- Recorded activity
- Since Jan 5, 2022
- through Dec 10, 2025
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 0 0 Reported no set-aside 1 1 Not reported 0 0 Reported small business 1 1 All-period set-aside types
None reported.
- #13
Last 12mo obligations
$0
0%
Dollar movement
−$2.2M
vs. prior 12 months
Last 12mo awards
2 awards
2 actions
Historical and award details for AMERICAN EQUIPMENT COMPANY
- Obligations: prior → latest
- $2.2M → $0
- −100.0%
- Share: prior → latest
- 27.5% → 0%
- −27.5 percentage points
- All-period obligations
- $2.2M
- 6.9% of all-period positive obligations · 2 awards
- Recorded activity
- Since Mar 7, 2025
- through Dec 9, 2025
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 0 0 Reported no set-aside 2 2 Not reported 0 0 Reported small business 2 2 All-period set-aside types
None reported.
- #14
Last 12mo obligations
$0
0%
Dollar movement
$0
no change vs. prior 12 months
Last 12mo awards
1 award
2 actions
Historical and award details for PERFECTED SOLUTIONS LLC
- Obligations: prior → latest
- $0 → $0
- Not comparable
- Share: prior → latest
- 0% → 0%
- 0.0 percentage points
- All-period obligations
- $0
- 0% of all-period positive obligations · 1 award
- Recorded activity
- Since Apr 7, 2026
- through Apr 9, 2026
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 1 0 Reported no set-aside 0 0 Not reported 0 0 Reported small business 1 0 All-period set-aside types
- 1 · Total small business
- #15SHIN SUNG SYSTEM CO,.LTD.Historical · no latest 12-month activity · last action Jan 13, 2025
Last 12mo obligations
$0
0%
Dollar movement
$0
no change vs. prior 12 months
Last 12mo awards
0 awards
0 actions
Historical and award details for SHIN SUNG SYSTEM CO,.LTD.
- Obligations: prior → latest
- $0 → $0
- Not comparable
- Share: prior → latest
- 0% → 0%
- 0.0 percentage points
- All-period obligations
- $9.2M
- 28.8% of all-period positive obligations · 3 awards
- Recorded activity
- Since Dec 22, 2021
- through Jan 13, 2025
Award reporting
Latest and prior 12-month award reporting Reported award evidence Latest Prior Reported set-aside 0 0 Reported no set-aside 0 0 Not reported 0 1 Reported small business 0 0 All-period set-aside types
None reported.
Recent federal contract award activity
Recent contract actions with unusually large obligation changes or meaningful shifts in contractor and funding-office activity.
This action
+$1.3M
KNDS DEFENCE UK LIMITED
W4GG HQ US ARMY TACOM
TRANSPORT KIT, RAIL NSN: 2240-99-847-6882 16EA.
Why it stands out
No activity for this contractor was reported in this market during the preceding 12 months.
The base action placed the contractor #2 in this market by positive obligations over the latest 12 months.
- Award net obligations
- $1.3M
- Share of 12-month positive obligations
- 18.6%
Supporting data
- Prime contractor
- #2 · 37.2% share
- Newly active in this market; no actions were reported in the preceding 12 months
- Funding office
- #2 · 37.2% attributed share
- +37.2 percentage points · $2.6M net increase; action accounted for 50.0%
This action
+$657K
HARMER STEEL PRODUCTS COMPANY
W390 MCALESTER ARMY AMMO PLANT
REPAIRS TO THE 1 YOKE ON MCALESTER ARMY AMMUNITIONS PLANT (MCAAP) RAIL SYSTEM.
Why it stands out
The contractor climbed 7 positions in this market.
It now ranks #3 by positive obligations over the latest 12 months.
- Award net obligations
- $657K
- Share of 12-month positive obligations
- 9.4%
Supporting data
- Prime contractor
- #3 · 9.4% share
- up 7 ranks · +8.5 percentage points · $584K net increase; action exceeded it by $73K
- Funding office
- #3 · 9.8% attributed share
- $3.3M net decline despite this positive action
This action
+$3.1M
EASTERN R&E CO. LTD
0019 CS HHC HHC EXPEDITIONA
EXTEND THE CONTRACT FOR THE PERIOD OF 01 JANUARY 2026 THROUGH 31 DECEMBER 2026 BY EXERCISING THE 2ND OPTION PERIOD PURSUANT TO CONTRACT CLAUSE TERMS AND INCORPORATE TWO MINOR UPGRADES FOR RAIL CARS: GUARD RAILS (W/SAFETY BAR POCKETS) AND SAFETY BARS.
Why it stands out
One action equaled more than a third of the market’s latest 12-month positive obligations.
The $3.1M action represented 43.7% of the market’s positive obligations over the latest 12 months.
- Award net obligations
- $3.1M
- Share of 12-month positive obligations
- 43.7%
Supporting data
- Prime contractor
- #1 · 43.7% share
- $120K net decline despite this positive action
- Funding office
- #1 · 43.7% attributed share
- $120K net decline despite this positive action
This action
+$233K
MILITARY AIRLIFT EXPERTS LLC (MILAIRX LLC)
W6F7 916TH SPT BDE
S2P2: RAIL SPANNERS SOLICITATION# W911S225U1733
Why it stands out
No activity for this contractor was reported in this market during the preceding 12 months.
The base action placed the contractor #4 in this market by positive obligations over the latest 12 months.
- Award net obligations
- $233K
- Share of 12-month positive obligations
- 3.3%
Supporting data
- Prime contractor
- #4 · 4.5% share
- Newly active in this market; no actions were reported in the preceding 12 months
- Funding office
- #4 · 4.5% attributed share
- +4.5 percentage points · $312K net increase; action accounted for 74.8%
This action
−$162K
PERFECTED SOLUTIONS LLC
W0QF HQ SURFACE DEPL & DISTR CMD
S2P2: RAILROAD TRACK MATERIALS: W911S226U2690
Why it stands out
This award recorded a material contraction.
The action removed $162K. A deobligation does not by itself show lower requirement demand.
- Award net obligations
- $0
- Share of 12-month positive obligations
- 2.3%
Supporting data
- Funding office
- 0% attributed share
- −1.9 percentage points · $153K net decline; action exceeded it by $10K
This action
+$115K
ATAP INC
DLA TROOP SUPPORT
8511714524!NOZZLE,FUEL AND OIL
Why it stands out
No activity for this contractor was reported in this market during the preceding 12 months.
The base action placed the contractor #5 in this market by positive obligations over the latest 12 months.
- Award net obligations
- $115K
- Share of 12-month positive obligations
- 1.6%
Supporting data
- Prime contractor
- #5 · 3.2% share
- Newly active in this market; no actions were reported in the preceding 12 months
View recent award activity by date (10)
- Action+$600Award net obligations$600
- Action+$31KAward net obligations$31K
- Action+$15KAward net obligations$15K
- Action−$162KAward net obligations$0
- Action+$162KAward net obligations$0
- Action+$8KAward net obligations$8K
- Action+$61KAward net obligations$61K
- Action+$657KAward net obligations$657K
- Action+$78KAward net obligations$78K
- Action+$283Award net obligations$283
DoD railroad rolling stock manufacturing market FAQs
Answers based on reported federal contract data.
Who are the top DoD railroad rolling stock manufacturing contractors?
In the 12 months through September 10, 2026, EASTERN R&E CO. LTD, KNDS DEFENCE UK LIMITED, and HARMER STEEL PRODUCTS COMPANY were the leading DoD railroad rolling stock manufacturing prime contractors by positive obligations.
- #1
$3,052,986 in positive obligations
- #2
$2,598,962 in positive obligations
- #3
$656,776 in positive obligations
Rankings use reported USAspending award data.
Did DoD contract obligations decrease in the railroad rolling stock manufacturing market?
Yes. Measured by net prime contract obligations, reported DoD activity in the railroad rolling stock manufacturing market decreased 13% from $8,038,346 in the preceding 12 months to $6,991,997 in the 12 months through September 10, 2026.
- Latest 12 months
- $6,991,997
- Net prime contract obligations
- Preceding 12 months
- $8,038,346
- Net prime contract obligations
- Change
- −13%
- Between matched 12-month periods
Reported contract actions, not outlays or a forecast.
What recent DoD contract award activity was reported in the railroad rolling stock manufacturing market?
Recent DoD contract award activity reported in the railroad rolling stock manufacturing market included actions for KNDS DEFENCE UK LIMITED, HARMER STEEL PRODUCTS COMPANY, and EASTERN R&E CO. LTD during the 12 months through September 10, 2026.
-
KNDS DEFENCE UK LIMITED · PIID W912CH26C0004
Base award · October 21, 2025 · Action obligation: +$1,299,481
-
HARMER STEEL PRODUCTS COMPANY · PIID W519TC26PA062
Base award · March 11, 2026 · Action obligation: +$656,776
-
EASTERN R&E CO. LTD · PIID W90VN926FA015
Base award · December 30, 2025 · Action obligation: +$3,052,986
-
MILITARY AIRLIFT EXPERTS LLC (MILAIRX LLC) · PIID W911S225PA974
Base award · September 16, 2025 · Action obligation: +$233,200
-
PERFECTED SOLUTIONS LLC · PIID W911S226PA360
Deobligation P00001 · April 9, 2026 · Action obligation: -$162,450
-
ATAP INC · PIID SPE8EE26P0059
Base award · October 22, 2025 · Action obligation: +$115,329
Action obligations are transaction-level amounts, not current award-level obligations.
Which procurement methods were reported for DoD contracts under NAICS 336510?
From September 11, 2025 through September 10, 2026, DoD reported 14 positive-obligation awards for railroad rolling stock manufacturing under NAICS 336510. The leading award type was delivery order. The leading reported procedure was simplified acquisition.
- Positive-obligation awards
- 14
- Leading reported procedure
- Simplified Acquisition
- 61.3% of positive obligations
- Leading award type
- Delivery Order
- 43.7% of positive obligations
- Full and open
- 0%
- of positive obligations
- Reported parent IDV
- 43.7%
- of positive obligations
Percentages use positive obligations as the denominator.
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Reported obligations include contract actions from October 1, 2021 through September 10, 2026. Set-aside and business-size fields reflect award records, not a contractor's current eligibility. Public Department of Defense award records are generally delayed by 90 days.
Review data methodology