Federal Capture Intelligence

Top DoD railroad rolling stock manufacturing contractors (NAICS 336510)

Contract actions: October 1, 2021 – September 10, 2026 Updated September 11, 2026 Department of Defense agency guide NAICS 336510 · Railroad Rolling Stock Manufacturing
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.

FY26 year-to-date: $6.8M versus $8.0M through the same date in FY25 (−15.9%).
Net obligations · complete fiscal yearNet obligations · FY26 YTDContract actions
View fiscal-year data table
Fiscal yearNet obligationsContract actionsCoverage
FY2022$8.5M33Complete
FY2023$4.9M31Complete
FY2024$3.6M35Complete
FY2025$8.3M40Complete
FY2026$6.8M23YTD 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, 2025Sep 10, 2026, compared with Sep 11, 2024Sep 10, 2025.

Competitive shifts

AMERICAN EQUIPMENT COMPANY lost the most market share
27.5%0.0%−27.5 percentage points
The contractor now ranks outside the ranking by positive obligations, based on 2 reported actions.
KNDS DEFENCE UK LIMITED was the largest newly observed contractor
$2.6MLatest 12-month obligations
First observed in this market on Oct 21, 2025, the contractor now ranks #2 by positive obligations across 4 reported actions.

Buyer demand

Reported obligations through W390 MCALESTER ARMY AMMO PLANT decreased
$4.0M$688K−$3.3M
Latest-period activity spans 3 awards across 3 prime contractors.

Market structure

Top-five contractor share increased
89.7%97.9%+8.2 percentage points
Contractors outside the top five now account for 2.1% of positive obligations.
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.

  1. 0019 CS HHC HHC EXPEDITIONA43.7% · $3.1M · down $120K
  2. W4GG HQ US ARMY TACOM37.2% · $2.6M · up $2.6M
  3. W390 MCALESTER ARMY AMMO PLANT9.8% · $688K · down $3.3M
  4. W6F7 916TH SPT BDE4.5% · $312K · up $312K
  5. DLA TROOP SUPPORT4.4% · $309K · up $90K
  6. 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.

  1. Reported funding office

    0019 CS HHC HHC EXPEDITIONA

    #1Up 1 from #2

    Latest 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.

  2. Reported funding office

    W4GG HQ US ARMY TACOM

    #2New to the positive-obligation ranking

    Latest 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

  3. Reported funding office

    W390 MCALESTER ARMY AMMO PLANT

    #3Down 2 from #1

    Latest 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

  4. Reported funding office

    W6F7 916TH SPT BDE

    #4New to the positive-obligation ranking

    Latest 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.

  5. Reported funding office

    DLA TROOP SUPPORT

    #5Down 2 from #3

    Latest 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.

  6. Reported funding office

    W4QU USA ABERDEEN TEST CENTER

    #6New to the positive-obligation ranking

    Latest 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.

  7. Reported funding office

    DLA AVIATION

    No positive-obligation rank

    Latest 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.

  8. Reported funding office

    W6TC 596TH USA TRANS SURF BDE

    No positive-obligation rank

    Latest 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.

  9. Reported funding office

    W0QF HQ SURFACE DEPL & DISTR CMD

    No positive-obligation rank

    Latest 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, 2024Sep 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 valueAwardsPositive obligationsShare
Delivery Order(C)1$3.1M43.7%
Definitive Contract(D)2$2.6M37.6%
Purchase Order(B)11$1.3M18.7%

Reported parent-award types

Reported valueAwardsPositive obligationsShare
IDC(B)1$3.1M43.7%
Not reported13$3.9M56.3%

Single- or multiple-award parent structure

Reported valueAwardsPositive obligationsShare
Single Award(S)1$3.1M43.7%
Not reported13$3.9M56.3%

Solicitation procedures

Reported valueAwardsPositive obligationsShare
Simplified Acquisition(SP1)10$4.3M61.3%
Sss(ONLY ONE SOURCE)1$2.6M37.2%
Sp1(SIMPLIFIED ACQUISITION)3$110K1.6%

Extent competed

Reported valueAwardsPositive obligationsShare
Competed Under SAP(F)10$4.3M61.3%
C(NOT COMPETED)1$2.6M37.2%
F(COMPETED UNDER SAP)3$110K1.6%

Fair-opportunity and limited-source reporting

Reported valueAwardsPositive obligationsShare
Not reported14$7.0M100.0%

Other-than-full-and-open reasons

Reported valueAwardsPositive obligationsShare
Only One Source-Other (FAR 6.302-1 Other)(ONE)1$2.6M37.2%
Not reported13$4.4M62.8%

Contract pricing types

Reported valueAwardsPositive obligationsShare
Firm Fixed Price(J)10$4.3M61.3%
J(FIRM FIXED PRICE)4$2.7M38.7%

Product or Service Codes

Reported valueAwardsPositive obligationsShare
Rail Cars(2220)1$3.1M43.7%
Locomotive and Rail Car Accessories and Components(2240)5$2.9M41.6%
Track Material, Railroad(2250)1$657K9.4%
Lubrication and Fuel Dispensing Equipment(4930)5$309K4.4%
Right-of-Way Construction and Maintenance Equipment, Railroad(2230)1$32K0.45%
Maint/Repair/Rebuild of Equipment- Railway Equipment(J022)1$31K0.44%

Awarding subagencies

Reported valueAwardsPositive obligationsShare
Department of the Army(2100)6$4.1M58.4%
Defense Contract Management Agency(9763)1$2.6M37.2%
Defense Logistics Agency(97AS)7$309K4.4%

Awarding offices

Reported valueAwardsPositive obligationsShare
0906 Aq Co Det A Contracti(W90VN9)1$3.1M43.7%
Dcma Europe(SGR18A)1$2.6M37.2%
W6qk Acc-Ri(W519TC)1$657K9.4%
W6qm Micc-Ft Drum(W911S2)3$343K4.9%
Dla Troop Support(SPE8EE)7$309K4.4%
W6qk Acc-Apg(W91CRB)1$31K0.44%

Reported parent IDVs

Reported valueAwardsPositive obligationsShare
W90VN924D0015(9700)1$3.1M43.7%
Not reported13$3.9M56.3%

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.

15 leading contractors
  1. #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 evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported22
    Reported small business00
    All-period set-aside types

    None reported.

  2. #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 evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside10
    Not reported00
    Reported small business00
    All-period set-aside types

    None reported.

  3. #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 evidenceLatestPrior
    Reported set-aside12
    Reported no set-aside01
    Not reported00
    Reported small business13
    All-period set-aside types
    • 7 · Total small business
  4. #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 evidenceLatestPrior
    Reported set-aside20
    Reported no set-aside00
    Not reported00
    Reported small business20
    All-period set-aside types
    • 2 · Total small business
  5. #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 evidenceLatestPrior
    Reported set-aside20
    Reported no set-aside00
    Not reported00
    Reported small business20
    All-period set-aside types
    • 3 · Total small business
  6. #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 evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside10
    Not reported00
    Reported small business00
    All-period set-aside types

    None reported.

  7. #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 evidenceLatestPrior
    Reported set-aside11
    Reported no set-aside00
    Not reported00
    Reported small business11
    All-period set-aside types
    • 2 · Total small business
  8. #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 evidenceLatestPrior
    Reported set-aside10
    Reported no set-aside00
    Not reported00
    Reported small business10
    All-period set-aside types
    • 1 · Total small business
  9. #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 evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside26
    Not reported00
    Reported small business00
    All-period set-aside types

    None reported.

  10. #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 evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside10
    Not reported00
    Reported small business10
    All-period set-aside types

    None reported.

  11. #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 evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside10
    Not reported00
    Reported small business10
    All-period set-aside types

    None reported.

  12. #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 evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside11
    Not reported00
    Reported small business11
    All-period set-aside types

    None reported.

  13. #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 evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside22
    Not reported00
    Reported small business22
    All-period set-aside types

    None reported.

  14. #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 evidenceLatestPrior
    Reported set-aside10
    Reported no set-aside00
    Not reported00
    Reported small business10
    All-period set-aside types
    • 1 · Total small business
  15. #15
    SHIN 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 evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported01
    Reported small business00
    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.

Base award

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%
PIID W912CH26C0004
Base award

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
PIID W519TC26PA062
Base award

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
PIID W90VN926FA015
Base award

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%
PIID W911S225PA974
Deobligation

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
PIID W911S226PA360 · Mod P00001
Base award

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
PIID SPE8EE26P0059
View recent award activity by date (10)
  1. Action+$600
    Award net obligations$600
  2. Action+$31K
    Award net obligations$31K
  3. Action+$15K
    Award net obligations$15K
  4. Action−$162K
    Award net obligations$0
  5. Action+$162K
    Award net obligations$0
  6. Action+$8K
    Award net obligations$8K
  7. Action+$61K
    Award net obligations$61K
  8. Action+$657K
    Award net obligations$657K
  9. Action+$78K
    Award net obligations$78K
  10. Action+$283
    Award 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. #1

    EASTERN R&E CO. LTD

    $3,052,986 in positive obligations

  2. #2

    KNDS DEFENCE UK LIMITED

    $2,598,962 in positive obligations

  3. #3

    HARMER STEEL PRODUCTS COMPANY

    $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.

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.

Apply this research to a live pursuit

Sweetspot connects opportunity qualification, competitive research, capture, and proposal work in one workspace.

See Sweetspot in action

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