Federal Capture Intelligence

Top DoD plumbing, heating, and air-conditioning contractors (NAICS 238220)

Contract actions: October 1, 2021 – September 10, 2026 Updated September 11, 2026 Department of Defense agency guide NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors
Latest 12 months
$405.3M
Net obligations · Down $122.5M vs. $527.8M preceding
Prime contractors
383
With positive obligations in the latest 12 months

Research the DoD federal contracting market for plumbing, heating, and air-conditioning under NAICS 238220. 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 Plumbing, Heating, and Air-Conditioning Contractors at the Department of Defense

Federal records show $2.4B in net obligations across 5,725 awards in Plumbing, Heating, and Air-Conditioning Contractors at the Department of Defense from Oct 1, 2021 through Sep 10, 2026. This market accounts for 0.11% of $2.3T in agency-wide net prime contract obligations over the period shown. Latest 12-month net obligations decreased 23.2% from $527.8M to $405.3M. 57 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: $231.4M versus $354.6M through the same date in FY25 (−34.7%).
Net obligations · complete fiscal yearNet obligations · FY26 YTDContract actions
View fiscal-year data table
Fiscal yearNet obligationsContract actionsCoverage
FY2022$584.3M2,684Complete
FY2023$494.7M2,515Complete
FY2024$550.6M2,711Complete
FY2025$528.5M2,642Complete
FY2026$231.4M1,082YTD through Sep 10, 2026

Market at a glance

All reported prime contract awards
All-period net obligations
$2.4B
5,725 awards · 1,380 prime contractors
Latest 12-month movement
−23.2%
$405.3M vs. $527.8M
Leading eight prime share
27.9%
Share held by the eight leading prime contractors in the latest 12 months
View agency share, denominators, and set-aside reporting
Agency context
0.11% of $2.3T in agency-wide net obligations.
Set-aside share when reported
61.8% of 2,422 awards with reported set-aside status.
Set-aside reporting
1,497 set aside · 925 no set-aside · 3,303 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

FEDVET CONSTRUCTION climbed the most in the contractor rankings
#501→#33Up 468 places
The contractor accounts for 0.86% of positive obligations across 2 reported actions.
ISCANI INDUSTRIES LLC fell the most in the contractor rankings
#27→#267Down 240 places
The contractor accounts for 0.010% of positive obligations across 3 reported actions.
37 contractors were first observed in this market during the latest 12 months
$23.2MLatest 12-month obligations
Contractor-level obligations and first-observed dates appear below. “First observed” applies only to this market and the period shown.
View 37 contractors
ContractorLatest 12 months
ALCAN BUILDERS INCORPORATED lost the most market share
4.13%→0.16%−4.0 percentage points
The contractor now ranks #97 by positive obligations, based on 3 reported actions.
WITHIN INTERIOR DESIGN, INC. gained the most market share
0.1%→4.5%+4.4 percentage points
The contractor now ranks #1 by positive obligations, based on 3 reported actions.

Buyer demand

Reported obligations through W2SN ENDIST ALASKA decreased
$31.3M→$491K−$30.8M
Latest-period activity spans 3 awards across 3 prime contractors.
View 4 additional material changes

Buyer demand

Reported obligations through W2SR ENDIST SAVANNAH CW increased
$1.1M→$17.1M+$16.0M
Latest-period activity spans 3 awards across 3 prime contractors.

Competitive shifts

RUBICON PROFESSIONAL SERVICES LLC was the largest newly observed contractor
$8.6MLatest 12-month obligations
First observed in this market on Dec 11, 2025, the contractor now ranks #14 by positive obligations across 2 reported actions.
FOUR TRIBES ENTERPRISES, LLC recorded the largest net deobligation
$6.9M→−$2.9M−$9.9M
The contractor now is unranked by positive obligations, based on 6 reported actions.
MIAMI WIIPICA, LLC had no reported activity in the latest 12 months
$4.9M→$0No latest-period activity
It previously ranked #30 by positive obligations, based on 2 reported actions.
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.

9.1% of positive obligations were attributed to NAVY REGION MID ATLANTIC. That represents $37.5M, up $12.3M from the preceding 12 months.

Latest 12-month share of positive obligations; the gray segment represents all other reported offices.

  1. NAVY REGION MID ATLANTIC9.1% · $37.5M · up $12.3M
  2. COMMANDING GENERAL7.0% · $28.8M · down $7.9M
  3. W075 ENDIST LOS ANGELES4.8% · $20.0M · up $20.0M
  4. W2SR ENDIST SAVANNAH CW4.1% · $17.1M · up $16.0M
  5. WHS/FSD/OPS/FFD/PENTAGON3.9% · $16.1M · up $7.8M
  6. All other reported offices71.1% 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

    NAVY REGION MID ATLANTIC

    #1Up 2 from #3

    Latest 12 months

    $37.5M

    9.1% of positive obligations

    Versus preceding 12 months

    +$12.3M

    15 active prime contractors · 38 awards

    View office comparison and evidence

    Reported obligations increased 48.9% from $25.2M to $37.5M. The office’s share of positive obligations moved from 4.7% to 9.1%, a change of +4.4 percentage points.

    The latest period contains 55 actions across 38 awards and 4 newly active prime contractors. The preceding period contained 23 active prime contractors and 60 awards.

  2. Reported funding office

    COMMANDING GENERAL

    #2Down 1 from #1

    Latest 12 months

    $28.8M

    7.0% of positive obligations

    Versus preceding 12 months

    −$7.9M

    5 active prime contractors · 34 awards

    View office comparison and evidence

    Reported obligations decreased 21.6% from $36.7M to $28.8M. The office’s share of positive obligations moved from 6.8% to 7.0%, a change of +0.1 percentage points.

    The latest period contains 45 actions across 34 awards. The preceding period contained 5 active prime contractors and 31 awards.

  3. Reported funding office

    W075 ENDIST LOS ANGELES

    #3New to the positive-obligation ranking

    Latest 12 months

    $20.0M

    4.8% of positive obligations

    Versus preceding 12 months

    +$20.0M

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations rose from $0 to $20.0M. The office’s share of positive obligations moved from 0% to 4.8%, a change of +4.8 percentage points.

    The latest period contains 2 actions across 2 awards and 2 newly active prime contractors. The preceding period contained 0 active prime contractors and 0 awards.

    Leading award-level changes

  4. Reported funding office

    W2SR ENDIST SAVANNAH CW

    #4Up 87 from #91

    Latest 12 months

    $17.1M

    4.1% of positive obligations

    Versus preceding 12 months

    +$16.0M

    3 active prime contractors · 3 awards

    View office comparison and evidence

    Reported obligations increased 1467.8% from $1.1M to $17.1M. The office’s share of positive obligations moved from 0.20% to 4.1%, a change of +3.9 percentage points.

    The latest period contains 3 actions across 3 awards and 1 newly active prime contractor. The preceding period contained 2 active prime contractors and 2 awards.

  5. Reported funding office

    WHS/FSD/OPS/FFD/PENTAGON

    #5Up 11 from #16

    Latest 12 months

    $16.1M

    3.9% of positive obligations

    Versus preceding 12 months

    +$7.8M

    4 active prime contractors · 22 awards

    View office comparison and evidence

    Reported obligations increased 93.4% from $8.3M to $16.1M. The office’s share of positive obligations moved from 1.6% to 3.9%, a change of +2.3 percentage points.

    The latest period contains 35 actions across 22 awards. The preceding period contained 4 active prime contractors and 24 awards.

  6. Reported funding office

    NAVFACSYSCOM WASHINGTON

    #6Up 13 from #19

    Latest 12 months

    $11.9M

    2.9% of positive obligations

    Versus preceding 12 months

    +$5.7M

    6 active prime contractors · 36 awards

    View office comparison and evidence

    Reported obligations increased 91.5% from $6.2M to $11.9M. The office’s share of positive obligations moved from 1.2% to 2.9%, a change of +1.7 percentage points.

    The latest period contains 46 actions across 36 awards and 1 newly active prime contractor. The preceding period contained 6 active prime contractors and 22 awards.

  7. Reported funding office

    COMMANDER

    #7Up 17 from #24

    Latest 12 months

    $11.5M

    2.8% of positive obligations

    Versus preceding 12 months

    +$6.2M

    6 active prime contractors · 10 awards

    View office comparison and evidence

    Reported obligations increased 116.6% from $5.3M to $11.5M. The office’s share of positive obligations moved from 0.99% to 2.8%, a change of +1.8 percentage points.

    The latest period contains 10 actions across 10 awards and 2 newly active prime contractors. The preceding period contained 8 active prime contractors and 11 awards.

  8. Reported funding office

    W2SM ENDIST LOUISVILLE CW

    #8New to the positive-obligation ranking

    Latest 12 months

    $9.9M

    2.4% of positive obligations

    Versus preceding 12 months

    +$9.9M

    3 active prime contractors · 4 awards

    View office comparison and evidence

    Reported obligations rose from $0 to $9.9M. The office’s share of positive obligations moved from 0% to 2.4%, a change of +2.4 percentage points.

    The latest period contains 8 actions across 4 awards and 3 newly active prime contractors. The preceding period contained 0 active prime contractors and 0 awards.

  9. Reported funding office

    F1S2AA 412 CE AR

    #9Down 5 from #4

    Latest 12 months

    $9.8M

    2.4% of positive obligations

    Versus preceding 12 months

    −$15.2M

    3 active prime contractors · 20 awards

    View office comparison and evidence

    Reported obligations decreased 60.8% from $25.0M to $9.8M. The office’s share of positive obligations moved from 4.7% to 2.4%, a change of −2.3 percentage points.

    The latest period contains 27 actions across 20 awards. The preceding period contained 5 active prime contractors and 33 awards.

  10. Reported funding office

    NAVFACSYSCOM MID-ATLANTIC

    #10Down 5 from #5

    Latest 12 months

    $9.0M

    2.2% of positive obligations

    Versus preceding 12 months

    −$5.5M

    16 active prime contractors · 34 awards

    View office comparison and evidence

    Reported obligations decreased 38.1% from $14.5M to $9.0M. The office’s share of positive obligations moved from 2.7% to 2.2%, a change of −0.5 percentage points.

    The latest period contains 38 actions across 34 awards and 4 newly active prime contractors. The preceding period contained 22 active prime contractors and 37 awards.

  11. Reported funding office

    W075 ENDIST SACRAMENTO

    #11Up 278 from #289

    Latest 12 months

    $8.9M

    2.1% of positive obligations

    Versus preceding 12 months

    +$8.8M

    3 active prime contractors · 3 awards

    View office comparison and evidence

    Reported obligations increased 13529.4% from $65K to $8.9M. The office’s share of positive obligations moved from 0.010% to 2.1%, a change of +2.1 percentage points.

    The latest period contains 5 actions across 3 awards and 2 newly active prime contractors. The preceding period contained 1 active prime contractor and 1 award.

  12. Reported funding office

    W2SN ENDIST ALASKA

    #106Down 104 from #2

    Latest 12 months

    $491K

    0.12% of positive obligations

    Versus preceding 12 months

    −$30.8M

    3 active prime contractors · 3 awards

    View office comparison and evidence

    Reported obligations decreased 98.4% from $31.3M to $491K. The office’s share of positive obligations moved from 5.8% to 0.12%, a change of −5.7 percentage points.

    The latest period contains 3 actions across 3 awards. The preceding period contained 4 active prime contractors and 5 awards.

    Leading award-level changes

  13. Reported funding office

    W072 ENDIST LOUISVILLE

    #123Down 114 from #9

    Latest 12 months

    $355K

    0.090% of positive obligations

    Versus preceding 12 months

    −$11.3M

    2 active prime contractors · 4 awards

    View office comparison and evidence

    Reported obligations decreased 97.0% from $11.7M to $355K. The office’s share of positive obligations moved from 2.2% to 0.090%, a change of −2.1 percentage points.

    The latest period contains 6 actions across 4 awards. The preceding period contained 7 active prime contractors and 9 awards.

  14. Reported funding office

    W4VN USAG FT BELVOIR

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    −$12.1M

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations decreased 100.0% from $12.1M 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 1 action across 1 award. The preceding period contained 6 active prime contractors and 7 awards.

  15. Reported funding office

    W071 ENDIST KANSAS CITY

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    −$12.1M

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations decreased 100.0% from $12.1M 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 3 actions across 2 awards. The preceding period contained 7 active prime contractors and 11 awards.

Contract types, competition, and procurement methods

From Sep 11, 2025 through Sep 10, 2026, 797 awards had positive obligations totaling $413.6M. Negotiated Proposal/Quote was the leading reported procedure, accounting for 38.1% of positive obligations. Awards with a reported parent IDV accounted for 60.8%.

Leading award type
60.4%
Delivery Order
Leading reported procedure
38.1%
Negotiated Proposal/Quote
Reported parent IDV
60.8%
of positive obligations had a reported parent IDV
Median reported offers
2
449 of 797 awards reported offers

Same-NAICS comparison

Compared with the NAICS 238220 peer median, parent-IDV obligation share is 53.6 percentage points higher, reported full-and-open obligation share is 8.5 percentage points higher, delivery-order obligation share is 53.6 percentage points higher, and median positive award obligations are 247.3% higher.

MeasureThis marketPeer medianDifference
Parent-IDV obligation share60.8%7.2%+53.6 pts
Reported full-and-open obligation share9.5%1.0%+8.5 pts
Delivery-order obligation share60.4%6.8%+53.6 pts
Median positive award obligations$114K$33K+247.3%
Peer cohort and comparison limits

The peer median gives each of the 10 eligible agency markets equal weight. The included agency markets are:

Agency mission, scale, and acquisition context can differ. Peer position does not establish market attractiveness or predict a future procurement method.

View buying-method details and data coverage

Award types

Reported valueAwardsPositive obligationsShare
Delivery Order(C)432$249.8M60.4%
Definitive Contract(D)148$141.8M34.3%
Purchase Order(B)198$20.2M4.9%
BPA Call(A)19$1.7M0.42%

Reported parent-award types

Reported valueAwardsPositive obligationsShare
IDC(B)429$249.8M60.4%
BPA(E)19$1.7M0.42%
FSS(C)2$78K0.020%
BOA(D)1$8K0%
Not reported346$162.0M39.2%

Single- or multiple-award parent structure

Reported valueAwardsPositive obligationsShare
Single Award(S)361$191.9M46.4%
Multiple Award(M)90$59.7M14.4%
Not reported346$162.0M39.2%

Solicitation procedures

Reported valueAwardsPositive obligationsShare
Negotiated Proposal/Quote(NP)227$157.6M38.1%
Only One Source(SSS)145$93.9M22.7%
Sealed Bid(SB)40$60.1M14.5%
Subject to Multiple Award Fair Opportunity(MAFO)79$58.3M14.1%
Simplified Acquisition(SP1)276$34.4M8.3%
Sss(ONLY ONE SOURCE)10$5.9M1.4%
Other reported values20$3.3M0.81%

Extent competed

Reported valueAwardsPositive obligationsShare
Full and Open Competition After Exclusion of Sources(D)287$237.3M57.4%
Not Available for Competition(B)122$88.6M21.4%
Full and Open Competition(A)62$39.2M9.5%
Competed Under SAP(F)222$23.5M5.7%
Not Competed Under SAP(G)54$10.9M2.6%
B(NOT AVAILABLE FOR COMPETITION)10$5.9M1.4%
Other reported values40$8.1M2.0%

Fair-opportunity and limited-source reporting

Reported valueAwardsPositive obligationsShare
Fair Opportunity Given(FAIR)71$43.3M10.5%
Competitive Set Aside(CSA)7$12.7M3.1%
FAR 16.505(B)(2)(I)(G) Limited Sources(LSRC)2$2.9M0.71%
Follow-on Action Following Competitive Initial Action(FOO)2$292K0.070%
Urgency(URG)1$55K0.010%
Not reported714$354.3M85.7%

Other-than-full-and-open reasons

Reported valueAwardsPositive obligationsShare
Authorized by Statute (FAR 6.302-5(A)(2)(I))(OTH)158$102.6M24.8%
Only One Source-Other (FAR 6.302-1 Other)(ONE)17$5.5M1.3%
SAP Non-Competition (FAR 13)(SP2)29$2.9M0.71%
Urgency (FAR 6.302-2)(URG)7$458K0.11%
Not reported586$302.1M73.0%

Contract pricing types

Reported valueAwardsPositive obligationsShare
Firm Fixed Price(J)767$404.5M97.8%
J(FIRM FIXED PRICE)27$8.7M2.1%
Time and Materials(Y)3$410K0.10%

Product or Service Codes

Reported valueAwardsPositive obligationsShare
Maint/Repair/Rebuild of Equipment- Refrigeration, Air Conditioning, and Air Circulating Equipment(J041)171$93.7M22.7%
Repair or Alteration of Miscellaneous Buildings(Z2JZ)124$82.0M19.8%
Maint/Repair/Rebuild of Equipment- Plumbing, Heating, and Waste Disposal Equipment(J045)94$43.5M10.5%
Repair or Alteration of Other Administrative Facilities and Service Buildings(Z2AZ)40$20.5M5.0%
Repair or Alteration of Heating and Cooling Plants(Z2NB)9$18.4M4.5%
Repair or Alteration of Office Buildings(Z2AA)30$17.0M4.1%
Other reported values329$138.4M33.5%

Awarding subagencies

Reported valueAwardsPositive obligationsShare
Department of the Navy(1700)276$166.7M40.3%
Department of the Army(2100)228$118.6M28.7%
Department of the Air Force(5700)221$97.5M23.6%
Washington Headquarters Services(97F5)26$17.2M4.2%
Defense Commissary Agency(97AZ)13$8.8M2.1%
Defense Logistics Agency(97AS)20$4.0M0.96%
Other reported values13$848K0.20%

Awarding offices

Reported valueAwardsPositive obligationsShare
Navfacsyscom Mid-Atlantic(N40085)105$84.9M20.5%
Navfacsyscom Southwest(N62473)45$26.0M6.3%
Navfacsyscom Washington(N40080)40$24.9M6.0%
W075 Endist Los Angeles(W912PL)3$20.1M4.9%
Washington Headquarters Services(HQ0034)26$17.2M4.2%
W074 Endist Savannah(W912HN)3$17.1M4.1%
Other reported values575$223.3M54.0%

Reported parent IDVs

Reported valueAwardsPositive obligationsShare
N4008524D2512(9700)1$18.5M4.5%
N4008520D0077(9700)16$15.1M3.6%
N6247822D2402(9700)17$12.8M3.1%
N4008520D0078(9700)11$12.5M3.0%
N6247325D2710(9700)9$11.9M2.9%
N4008022D0003(9700)12$11.3M2.7%
N4008520D0076(9700)17$10.4M2.5%
FA930124D0005(9700)10$8.9M2.1%
Other reported values358$150.2M36.3%
Not reported346$162.0M39.2%

Offers, award size, and timing

Median reported offers
2 median
449 reported · 348 not reported
Positive award obligations
$114K median
$30K–$392K middle 50%
Reported performance period
271 days (~9 months) median
797 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
57 of 383prime contractors account for at least 80% of positive obligations in the last 12 months
Largest prime contractor
4.5%of positive obligations in the last 12 months
Leading four prime contractors
16.1%of positive obligations in the last 12 months
Leading eight prime contractors
27.9%of positive obligations in the last 12 months

Based on $412.5M 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

    $18.8M

    4.5%

    Dollar movement

    +$18.2M

    vs. prior 12 months

    Last 12mo awards

    2 awards

    3 actions

    Historical and award details for WITHIN INTERIOR DESIGN, INC.
    Obligations: prior → latest
    $592K → $18.8M
    +3070.2%
    Share: prior → latest
    0.11% → 4.5%
    +4.4 percentage points
    All-period obligations
    $30.1M
    1.3% of all-period positive obligations · 7 awards
    Recorded activity
    Since Oct 27, 2021
    through Jan 26, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported23
    Reported small business23
    All-period set-aside types

    None reported.

  2. #2

    Last 12mo obligations

    $16.8M

    4.1%

    Dollar movement

    +$16.8M

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for COPPER CONSTRUCTION COMPANY, INC.
    Obligations: prior → latest
    $0 → $16.8M
    Not comparable
    Share: prior → latest
    0% → 4.1%
    +4.1 percentage points
    All-period obligations
    $16.8M
    0.70% 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-aside10
    Reported no set-aside00
    Not reported00
    Reported small business10
    All-period set-aside types
    • 1 · Total small business
  3. #3

    Last 12mo obligations

    $16.0M

    3.9%

    Dollar movement

    +$9.8M

    vs. prior 12 months

    Last 12mo awards

    3 awards

    3 actions

    Historical and award details for MIK CONSTRUCTION INC
    Obligations: prior → latest
    $6.1M → $16.0M
    +160.2%
    Share: prior → latest
    1.1% → 3.9%
    +2.7 percentage points
    All-period obligations
    $40.8M
    1.7% of all-period positive obligations · 38 awards
    Recorded activity
    Since Nov 17, 2021
    through Jan 15, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside10
    Reported no set-aside00
    Not reported29
    Reported small business39
    All-period set-aside types
    • 1 · Total small business
  4. #4

    Last 12mo obligations

    $15.1M

    3.7%

    Dollar movement

    −$14.7M

    vs. prior 12 months

    Last 12mo awards

    17 awards

    26 actions

    Historical and award details for NORTH STATE MECHANICAL INC
    Obligations: prior → latest
    $29.8M → $15.1M
    −49.3%
    Share: prior → latest
    5.5% → 3.7%
    −1.9 percentage points
    All-period obligations
    $81.8M
    3.4% of all-period positive obligations · 36 awards
    Recorded activity
    Since Oct 27, 2021
    through Apr 13, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1711
    Reported small business1711
    All-period set-aside types

    None reported.

  5. #5

    Last 12mo obligations

    $12.7M

    3.1%

    Dollar movement

    −$219K

    vs. prior 12 months

    Last 12mo awards

    30 awards

    38 actions

    Historical and award details for AKTARIUS LLC
    Obligations: prior → latest
    $12.9M → $12.7M
    −1.7%
    Share: prior → latest
    2.4% → 3.1%
    +0.7 percentage points
    All-period obligations
    $58.0M
    2.4% of all-period positive obligations · 131 awards
    Recorded activity
    Since Oct 5, 2022
    through Apr 24, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside11
    Reported no set-aside00
    Not reported2943
    Reported small business3044
    All-period set-aside types
    • 2 · 8(a) sole source
  6. #6

    Last 12mo obligations

    $12.5M

    3.0%

    Dollar movement

    +$6.3M

    vs. prior 12 months

    Last 12mo awards

    12 awards

    16 actions

    Historical and award details for R & W CONSTRUCTION COMPANY
    Obligations: prior → latest
    $6.2M → $12.5M
    +100.4%
    Share: prior → latest
    1.1% → 3.0%
    +1.9 percentage points
    All-period obligations
    $62.2M
    2.6% of all-period positive obligations · 54 awards
    Recorded activity
    Since Oct 25, 2021
    through Apr 24, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1218
    Reported small business1218
    All-period set-aside types

    None reported.

  7. #7

    Last 12mo obligations

    $11.9M

    2.9%

    Dollar movement

    +$9.8M

    vs. prior 12 months

    Last 12mo awards

    11 awards

    12 actions

    Historical and award details for CODY M STEVENS CONSTRUCTION INC
    Obligations: prior → latest
    $2.1M → $11.9M
    +460.9%
    Share: prior → latest
    0.39% → 2.9%
    +2.5 percentage points
    All-period obligations
    $14.1M
    0.59% of all-period positive obligations · 19 awards
    Recorded activity
    Since Dec 19, 2023
    through Mar 18, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported118
    Reported small business118
    All-period set-aside types
    • 1 · Total small business
  8. #8

    Last 12mo obligations

    $11.3M

    2.8%

    Dollar movement

    +$4.3M

    vs. prior 12 months

    Last 12mo awards

    22 awards

    23 actions

    Historical and award details for KEKOLU CONTRACTING, LLC
    Obligations: prior → latest
    $7.0M → $11.3M
    +61.0%
    Share: prior → latest
    1.3% → 2.8%
    +1.4 percentage points
    All-period obligations
    $37.3M
    1.6% of all-period positive obligations · 104 awards
    Recorded activity
    Since Nov 26, 2021
    through Apr 7, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside11
    Reported no set-aside00
    Not reported2134
    Reported small business2235
    All-period set-aside types
    • 1 · 8(a) sole source
    • 1 · Total small business
  9. #9

    Last 12mo obligations

    $10.7M

    2.6%

    Dollar movement

    +$8.8M

    vs. prior 12 months

    Last 12mo awards

    4 awards

    7 actions

    Historical and award details for MCKENZIE CONSTRUCTION & SITE DEVELOPMENT LLC
    Obligations: prior → latest
    $1.9M → $10.7M
    +475.5%
    Share: prior → latest
    0.34% → 2.6%
    +2.2 percentage points
    All-period obligations
    $12.5M
    0.52% of all-period positive obligations · 5 awards
    Recorded activity
    Since Sep 13, 2024
    through Mar 6, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside11
    Reported no set-aside10
    Not reported22
    Reported small business43
    All-period set-aside types
    • 1 · Total small business
  10. #10

    Last 12mo obligations

    $10.3M

    2.5%

    Dollar movement

    +$2.3M

    vs. prior 12 months

    Last 12mo awards

    19 awards

    24 actions

    Historical and award details for MECHWORKS MECHANICAL CONTRACTORS, INC
    Obligations: prior → latest
    $8.1M → $10.3M
    +27.9%
    Share: prior → latest
    1.5% → 2.5%
    +1.0 percentage points
    All-period obligations
    $66.9M
    2.8% of all-period positive obligations · 57 awards
    Recorded activity
    Since Nov 23, 2021
    through Apr 24, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1918
    Reported small business1918
    All-period set-aside types

    None reported.

  11. #11

    Last 12mo obligations

    $9.1M

    2.2%

    Dollar movement

    +$6.5M

    vs. prior 12 months

    Last 12mo awards

    12 awards

    14 actions

    Historical and award details for CAPITOL UNITED SOLUTIONS INC
    Obligations: prior → latest
    $2.6M → $9.1M
    +249.9%
    Share: prior → latest
    0.48% → 2.2%
    +1.7 percentage points
    All-period obligations
    $16.0M
    0.67% of all-period positive obligations · 25 awards
    Recorded activity
    Since Sep 29, 2023
    through Apr 20, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported128
    Reported small business128
    All-period set-aside types
    • 1 · 8(a) sole source
  12. #12

    Last 12mo obligations

    $8.9M

    2.2%

    Dollar movement

    −$4.1M

    vs. prior 12 months

    Last 12mo awards

    11 awards

    17 actions

    Historical and award details for PUYENPA CONSTRUCTION, LLC
    Obligations: prior → latest
    $13.0M → $8.9M
    −31.6%
    Share: prior → latest
    2.4% → 2.2%
    −0.3 percentage points
    All-period obligations
    $21.9M
    0.91% of all-period positive obligations · 26 awards
    Recorded activity
    Since Sep 12, 2024
    through Jun 17, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside12
    Reported no set-aside00
    Not reported1014
    Reported small business1116
    All-period set-aside types
    • 2 · 8(a) sole source
  13. #13

    Last 12mo obligations

    $8.7M

    2.1%

    Dollar movement

    +$7.0M

    vs. prior 12 months

    Last 12mo awards

    12 awards

    13 actions

    Historical and award details for RCA CONTRACTING, INC.
    Obligations: prior → latest
    $1.7M → $8.7M
    +423.1%
    Share: prior → latest
    0.31% → 2.1%
    +1.8 percentage points
    All-period obligations
    $36.9M
    1.5% of all-period positive obligations · 38 awards
    Recorded activity
    Since Oct 18, 2021
    through Apr 24, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside33
    Reported no set-aside00
    Not reported911
    Reported small business1214
    All-period set-aside types
    • 4 · Total small business
    • 3 · HUBZone set-aside
  14. #14

    Last 12mo obligations

    $8.6M

    2.1%

    Dollar movement

    +$8.6M

    vs. prior 12 months

    Last 12mo awards

    1 award

    2 actions

    Historical and award details for RUBICON PROFESSIONAL SERVICES LLC
    Obligations: prior → latest
    $0 → $8.6M
    Not comparable
    Share: prior → latest
    0% → 2.1%
    +2.1 percentage points
    All-period obligations
    $8.6M
    0.36% of all-period positive obligations · 1 award
    Recorded activity
    Since Dec 11, 2025
    through Jan 15, 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

    Last 12mo obligations

    $8.2M

    2.0%

    Dollar movement

    +$666K

    vs. prior 12 months

    Last 12mo awards

    15 awards

    28 actions

    Historical and award details for BRYMAK & ASSOCIATES, INC.
    Obligations: prior → latest
    $7.5M → $8.2M
    +8.9%
    Share: prior → latest
    1.4% → 2.0%
    +0.6 percentage points
    All-period obligations
    $28.2M
    1.2% of all-period positive obligations · 68 awards
    Recorded activity
    Since Oct 4, 2021
    through Apr 23, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1510
    Reported small business34
    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

+$18.5M

WITHIN INTERIOR DESIGN, INC.

NAVY REGION MID ATLANTIC

LC-3601 SHIELDS HALLS UEH, REPLACE HVAC

Why it stands out

The contractor climbed 143 positions in this market.

It now ranks #1 by positive obligations over the latest 12 months.

Award net obligations
$18.5M
Share of 12-month positive obligations
4.5%
Supporting data
Prime contractor
#1 · 4.5% share
up 143 ranks · +4.4 percentage points · $18.2M net increase; action exceeded it by $320K
Funding office
#1 · 9.1% attributed share
up 2 ranks · +4.4 percentage points · $12.3M net increase; action exceeded it by $6.2M
Related:Largest share gain
PIID N4008526F0297
Base award

This action

+$16.8M

COPPER CONSTRUCTION COMPANY, INC.

W2SR ENDIST SAVANNAH CW

REPAIR HVAC SYSTEMS OF BUILDINGS 2641 AND 2642 AT FORT BENNING, GA.

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
$16.8M
Share of 12-month positive obligations
4.1%
Supporting data
Prime contractor
#2 · 4.1% share
Newly active in this market; no actions were reported in the preceding 12 months
Funding office
#4 · 4.1% attributed share
up 87 ranks · +3.9 percentage points · $16.0M net increase; action exceeded it by $793K
Related:Funding office gain
PIID W912HN26CA002
Base award

This action

+$16.0M

MIK CONSTRUCTION INC

W075 ENDIST LOS ANGELES

REPLACE EXISTING CHILLERS, REFURBISH COOLING TOWERS, REPLACE PRIMARY/SECONDARY CHILLED WATER PUMPS, CONDENSER WATER PUMPS, RELATED PIPING/CONTROLS, AND PRESSURE DIFFERENTIAL DELTA P VALVES WITH EXISTING JOHNSON CONTROLS METASYS SYSTEM.

Why it stands out

The contractor climbed 22 positions in this market.

It now ranks #3 by positive obligations over the latest 12 months.

Award net obligations
$16.0M
Share of 12-month positive obligations
3.9%
Supporting data
Prime contractor
#3 · 3.9% share
up 22 ranks · +2.7 percentage points · $9.8M net increase; action exceeded it by $6.1M
Funding office
#3 · 4.8% attributed share
+4.8 percentage points · $20.0M net increase; action accounted for 79.6%
PIID W912PL25CA009
Base award

This action

+$8.6M

RUBICON PROFESSIONAL SERVICES LLC

W2SM ENDIST LOUISVILLE CW

REPLACEMENT OF THE HVAC SYSTEM IN F/20824 AT WRIGHT-PATTERSON AIR FORCE BASE (WPAFB), OHIO.

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 #14 in this market by positive obligations over the latest 12 months.

Award net obligations
$8.6M
Share of 12-month positive obligations
2.1%
Supporting data
Prime contractor
#14 · 2.1% share
Newly active in this market; no actions were reported in the preceding 12 months
Funding office
#8 · 2.4% attributed share
+2.4 percentage points · $9.9M net increase; action accounted for 87.5%
Related:Newly observed contractor cohortLargest newly observed contractor
PIID W912QR26C0003
Modification

This action

+$4.1M

QCM, INC.

WHS/FSD/OPS/FFD/PENTAGON

HEATING AND REFRIGERATION PLANT OPERATIONS AND MAINTENANCE SERVICES

Why it stands out

The contractor climbed 40 positions in this market.

It now ranks #16 by positive obligations over the latest 12 months.

Award net obligations
$41.9M
Share of 12-month positive obligations
1.0%
PIID HQ003420F0678 · Mod P00007
Base award

This action

+$5.0M

CODY M STEVENS CONSTRUCTION INC

COMMANDER

UH INSTALL NEW HVAC UNITS BEQ PM21, PM22, PM23 - NBVC

Why it stands out

The contractor climbed 55 positions in this market.

It now ranks #7 by positive obligations over the latest 12 months.

Award net obligations
$5.0M
Share of 12-month positive obligations
1.2%
Supporting data
Prime contractor
#7 · 2.9% share
up 55 ranks · +2.5 percentage points · $9.8M net increase; action accounted for 50.8%
PIID N6247326F0134
View recent award activity by date (10)
  1. TEAMGOV, INC.Base award · PIID W9124D26FA216
    Action+$38K
    Award net obligations$38K
  2. TEAMGOV, INC.Base award · PIID W9124D26FA220
    Action+$248K
    Award net obligations$248K
  3. SEAMAIR CONSTRUCTION, INC.Base award · PIID FA461026C0007
    Action+$3.2M
    Award net obligations$3.2M
  4. JUSTUS CORPORATIONBase award · PIID FA254326P0002
    Action+$86K
    Award net obligations$86K
  5. AKTARIUS LLCBase award · PIID N6247826F0069
    Action+$56K
    Award net obligations$56K
  6. RCA CONTRACTING, INC.Modification · PIID FA850126F0034
    Action+$54K
    Award net obligations$2.3M
  7. AKTARIUS LLCBase award · PIID N6247826F0080
    Action+$48K
    Award net obligations$48K
  8. MECHWORKS MECHANICAL CONTRACTORS, INCModification · PIID N4008524F5297
    Action+$17K
    Award net obligations$502K
  9. AIR RITE HVAC INCModification · PIID FA660626C0003
    Action+$5K
    Award net obligations$524K
  10. AROUND THE WORLD REALTY LLCBase award · PIID FA930226P0022
    Action+$4K
    Award net obligations$4K

DoD plumbing, heating, and air-conditioning market FAQs

Answers based on reported federal contract data.

Who are the top DoD plumbing, heating, and air-conditioning contractors?

In the 12 months through September 10, 2026, WITHIN INTERIOR DESIGN, INC., COPPER CONSTRUCTION COMPANY, INC., and MIK CONSTRUCTION INC were the leading DoD plumbing, heating, and air-conditioning prime contractors by positive obligations.

  1. #1

    WITHIN INTERIOR DESIGN, INC.

    $18,779,690 in positive obligations

  2. #2

    COPPER CONSTRUCTION COMPANY, INC.

    $16,778,000 in positive obligations

  3. #3

    MIK CONSTRUCTION INC

    $15,960,510 in positive obligations

Rankings use reported USAspending award data.

Did DoD contract obligations decrease in the plumbing, heating, and air-conditioning market?

Yes. Measured by net prime contract obligations, reported DoD activity in the plumbing, heating, and air-conditioning market decreased 23.2% from $527,809,899 in the preceding 12 months to $405,277,658 in the 12 months through September 10, 2026.

Latest 12 months
$405,277,658
Net prime contract obligations
Preceding 12 months
$527,809,899
Net prime contract obligations
Change
−23.2%
Between matched 12-month periods

Reported contract actions, not outlays or a forecast.

What recent DoD contract award activity was reported in the plumbing, heating, and air-conditioning market?

Recent DoD contract award activity reported in the plumbing, heating, and air-conditioning market included actions for WITHIN INTERIOR DESIGN, INC., COPPER CONSTRUCTION COMPANY, INC., and MIK CONSTRUCTION INC 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 238220?

From September 11, 2025 through September 10, 2026, DoD reported 797 positive-obligation awards for plumbing, heating, and air-conditioning under NAICS 238220. The leading award type was delivery order. The leading reported procedure was negotiated proposal/quote.

Positive-obligation awards
797
Leading reported procedure
Negotiated Proposal/Quote
38.1% of positive obligations
Leading award type
Delivery Order
60.4% of positive obligations
Full and open
9.5%
of positive obligations
Reported parent IDV
60.8%
of positive obligations

Percentages use positive obligations as the denominator.

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Related market research

Complete market indexes:

Same NAICS at other agencies:

Nearby NAICS at this agency:

Markets sharing leading prime records:

Leading-prime vehicle memberships:

Company memberships do not establish award-channel use.

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