Federal Capture Intelligence

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

Contract actions: October 1, 2021 – October 14, 2026 Updated October 15, 2026 Department of Defense agency guide NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors
Latest 12 months
$231.3M
Net obligations · Down $295.8M vs. $527.1M preceding
Prime contractors
270
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 5,731 awards in Plumbing, Heating, and Air-Conditioning Contractors at the Department of Defense from Oct 1, 2021 through Oct 14, 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 56.1% from $527.1M to $231.3M. 38 prime contractors accounted for at least 80% of positive obligations in that latest period.

Fiscal-year activity

FY27 is year-to-date through Oct 14, 2026; earlier years show complete fiscal-year totals.

FY27 year-to-date: $0 versus $1.1M through the same date in FY26 (−100.0%).
Net obligations · complete fiscal yearNet obligations · FY27 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$232.4M1,090Complete

Market at a glance

All reported prime contract awards
All-period net obligations
$2.4B
5,731 awards · 1,381 prime contractors
Latest 12-month movement
−56.1%
$231.3M vs. $527.1M
Leading eight prime share
41.5%
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 2,424 awards with reported set-aside status.
Set-aside reporting
1,499 set aside · 925 no set-aside · 3,307 not reported

What changed in the last 12 months?

Oct 15, 2025–Oct 14, 2026, compared with Oct 15, 2024–Oct 14, 2025.

Market structure

Top-five contractor share increased
15.5%→31.4%+15.9 percentage points
Contractors outside the top five now account for 68.6% of positive obligations.

Competitive shifts

FEDVET CONSTRUCTION climbed the most in the contractor rankings
#500→#18Up 482 places
The contractor accounts for 1.5% of positive obligations across 2 reported actions.
WITHIN INTERIOR DESIGN, INC. gained the most market share
0.1%→8.0%+7.9 percentage points
The contractor now ranks #1 by positive obligations, based on 3 reported actions.
ONEILL CONTRACTORS INC fell the most in the contractor rankings
#10→#199Down 189 places
The contractor accounts for 0.010% of positive obligations across 3 reported actions.
16 contractors were first observed in this market during the latest 12 months
$12.0MLatest 12-month obligations
Contractor-level obligations and first-observed dates appear below. “First observed” applies only to this market and the period shown.
View 16 contractors
ContractorLatest 12 months

Buyer demand

Reported obligations through F1S2AA 412 CE AR decreased
$25.0M→$6.9M−$18.2M
Latest-period activity spans 18 awards across 3 prime contractors.
View 4 additional material changes

Competitive shifts

MIK CONSTRUCTION INC lost the most market share
3.5%→0.0%−3.5 percentage points
The contractor now ranks outside the ranking by positive obligations, based on 2 reported actions.
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 #6 by positive obligations across 2 reported actions.
FORUS CONTRACTING, INC. had no reported activity in the latest 12 months
$4.8M→$0No latest-period activity
It previously ranked #33 by positive obligations, based on 11 reported actions.

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.
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 Oct 14, 2026.

12.5% of positive obligations were attributed to NAVY REGION MID ATLANTIC. That represents $29.4M, up $1.8M from the preceding 12 months.

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

  1. NAVY REGION MID ATLANTIC12.5% · $29.4M · up $1.8M
  2. COMMANDING GENERAL10.6% · $24.9M · down $3.5M
  3. W2SR ENDIST SAVANNAH CW7.2% · $17.1M · up $16.0M
  4. COMMANDER4.3% · $10.1M · up $3.4M
  5. W2SM ENDIST LOUISVILLE CW4.2% · $9.9M · up $9.9M
  6. All other reported offices61.2% 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 1 from #2

    Latest 12 months

    $29.4M

    12.5% of positive obligations

    Versus preceding 12 months

    +$1.8M

    13 active prime contractors · 27 awards

    View office comparison and evidence

    Reported obligations increased 6.7% from $27.5M to $29.4M. The office’s share of positive obligations moved from 5.2% to 12.5%, a change of +7.3 percentage points.

    The latest period contains 39 actions across 27 awards and 1 newly active prime contractor. The preceding period contained 25 active prime contractors and 64 awards.

  2. Reported funding office

    COMMANDING GENERAL

    #2Down 1 from #1

    Latest 12 months

    $24.9M

    10.6% of positive obligations

    Versus preceding 12 months

    −$3.5M

    5 active prime contractors · 26 awards

    View office comparison and evidence

    Reported obligations decreased 12.4% from $28.4M to $24.9M. The office’s share of positive obligations moved from 5.3% to 10.6%, a change of +5.2 percentage points.

    The latest period contains 30 actions across 26 awards. The preceding period contained 5 active prime contractors and 35 awards.

  3. Reported funding office

    W2SR ENDIST SAVANNAH CW

    #3Up 95 from #98

    Latest 12 months

    $17.1M

    7.2% 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 7.2%, a change of +7.0 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.

    Leading award-level changes

  4. Reported funding office

    COMMANDER

    #4Up 15 from #19

    Latest 12 months

    $10.1M

    4.3% of positive obligations

    Versus preceding 12 months

    +$3.4M

    6 active prime contractors · 7 awards

    View office comparison and evidence

    Reported obligations increased 50.8% from $6.7M to $10.1M. The office’s share of positive obligations moved from 1.3% to 4.3%, a change of +3.0 percentage points.

    The latest period contains 7 actions across 7 awards and 1 newly active prime contractor. The preceding period contained 9 active prime contractors and 14 awards.

  5. Reported funding office

    W2SM ENDIST LOUISVILLE CW

    #5New to the positive-obligation ranking

    Latest 12 months

    $9.9M

    4.2% 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 4.2%, a change of +4.2 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.

  6. Reported funding office

    NAVFACSYSCOM MID-ATLANTIC

    #6Up 3 from #9

    Latest 12 months

    $8.4M

    3.6% of positive obligations

    Versus preceding 12 months

    −$4.0M

    15 active prime contractors · 28 awards

    View office comparison and evidence

    Reported obligations decreased 32.0% from $12.4M to $8.4M. The office’s share of positive obligations moved from 2.3% to 3.6%, a change of +1.3 percentage points.

    The latest period contains 30 actions across 28 awards and 5 newly active prime contractors. The preceding period contained 17 active prime contractors and 30 awards.

  7. Reported funding office

    F1S2AA 412 CE AR

    #7Down 4 from #3

    Latest 12 months

    $6.9M

    2.9% of positive obligations

    Versus preceding 12 months

    −$18.2M

    3 active prime contractors · 18 awards

    View office comparison and evidence

    Reported obligations decreased 72.6% from $25.0M to $6.9M. The office’s share of positive obligations moved from 4.7% to 2.9%, a change of −1.8 percentage points.

    The latest period contains 19 actions across 18 awards. The preceding period contained 5 active prime contractors and 33 awards.

  8. Reported funding office

    JOINT BASE PEARL HARBOR HICKAM

    #8Up 19 from #27

    Latest 12 months

    $6.8M

    2.9% of positive obligations

    Versus preceding 12 months

    +$2.3M

    1 active prime contractor · 3 awards

    View office comparison and evidence

    Reported obligations increased 51.5% from $4.5M to $6.8M. The office’s share of positive obligations moved from 0.85% to 2.9%, a change of +2.0 percentage points.

    The latest period contains 4 actions across 3 awards. The preceding period contained 2 active prime contractors and 28 awards.

  9. Reported funding office

    F3QCCL WR ALC OBCA SERVICES

    #9New to the positive-obligation ranking

    Latest 12 months

    $5.7M

    2.4% of positive obligations

    Versus preceding 12 months

    +$5.7M

    4 active prime contractors · 7 awards

    View office comparison and evidence

    Reported obligations moved from $71K in net deobligations to $5.7M in net obligations. The office’s share of positive obligations moved from 0% to 2.4%, a change of +2.4 percentage points.

    The latest period contains 9 actions across 7 awards and 1 newly active prime contractor. The preceding period contained 6 active prime contractors and 19 awards.

  10. Reported funding office

    F1EESF AEDC TEST SUPPORT DIVISION

    #10New to the positive-obligation ranking

    Latest 12 months

    $5.1M

    2.1% of positive obligations

    Versus preceding 12 months

    +$5.1M

    3 active prime contractors · 6 awards

    View office comparison and evidence

    Reported obligations rose from $0 to $5.1M. The office’s share of positive obligations moved from 0% to 2.1%, a change of +2.1 percentage points.

    The latest period contains 9 actions across 6 awards and 1 newly active prime contractor. The preceding period contained 3 active prime contractors and 6 awards.

  11. Reported funding office

    WHS/FSD/OPS/FFD/PENTAGON

    #18Down 14 from #4

    Latest 12 months

    $3.2M

    1.4% of positive obligations

    Versus preceding 12 months

    −$17.4M

    4 active prime contractors · 19 awards

    View office comparison and evidence

    Reported obligations decreased 84.5% from $20.6M to $3.2M. The office’s share of positive obligations moved from 3.9% to 1.4%, a change of −2.5 percentage points.

    The latest period contains 23 actions across 19 awards. The preceding period contained 4 active prime contractors and 28 awards.

  12. Reported funding office

    NAVFACSYSCOM SOUTHWEST

    #50Down 42 from #8

    Latest 12 months

    $876K

    0.37% of positive obligations

    Versus preceding 12 months

    −$12.2M

    15 active prime contractors · 28 awards

    View office comparison and evidence

    Reported obligations decreased 93.3% from $13.0M to $876K. The office’s share of positive obligations moved from 2.4% to 0.37%, a change of −2.1 percentage points.

    The latest period contains 28 actions across 28 awards and 5 newly active prime contractors. The preceding period contained 18 active prime contractors and 43 awards.

  13. Reported funding office

    81 ID IDP

    #156Down 146 from #10

    Latest 12 months

    $28K

    0.010% of positive obligations

    Versus preceding 12 months

    −$11.6M

    3 active prime contractors · 3 awards

    View office comparison and evidence

    Reported obligations decreased 99.8% from $11.6M to $28K. The office’s share of positive obligations moved from 2.2% to 0.010%, a change of −2.2 percentage points.

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

  14. Reported funding office

    W075 ENDIST LOS ANGELES

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    −$20.0M

    0 active prime contractors · 0 awards

    View office comparison and evidence

    Reported obligations decreased 100.0% from $20.0M to $0. The office’s share of positive obligations moved from 3.8% to 0%, a change of −3.8 percentage points.

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

    Leading award-level changes

Contract types, competition, and procurement methods

From Oct 15, 2025 through Oct 14, 2026, 498 awards had positive obligations totaling $235.5M. Negotiated Proposal/Quote was the leading reported procedure, accounting for 40.6% of positive obligations. Awards with a reported parent IDV accounted for 70.5%.

Leading award type
70.3%
Delivery Order
Leading reported procedure
40.6%
Negotiated Proposal/Quote
Reported parent IDV
70.5%
of positive obligations had a reported parent IDV
Median reported offers
2
277 of 498 awards reported offers

Buying method changes

Compared with Oct 15, 2024–Oct 14, 2025. Based on 498 current awards and 1,362 preceding awards with positive net obligations.

Delivery-order obligation share
70.3%
Up from 59.8% 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.

Same-NAICS comparison

Compared with the NAICS 238220 peer median, parent-IDV obligation share is 61.5 percentage points higher, reported full-and-open obligation share is 7.3 percentage points higher, delivery-order obligation share is 66.3 percentage points higher, and median positive award obligations are 139.8% higher.

MeasureThis marketPeer medianDifference
Parent-IDV obligation share70.5%8.9%+61.5 pts
Reported full-and-open obligation share7.7%0.39%+7.3 pts
Delivery-order obligation share70.3%4.0%+66.3 pts
Median positive award obligations$83K$35K+139.8%
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)273$165.5M70.3%
Definitive Contract(D)84$56.4M24.0%
Purchase Order(B)132$13.1M5.6%
BPA Call(A)9$347K0.15%

Reported parent-award types

Reported valueAwardsPositive obligationsShare
IDC(B)271$165.5M70.3%
BPA(E)9$347K0.15%
FSS(C)1$55K0.020%
BOA(D)1$8K0%
Not reported216$69.6M29.6%

Single- or multiple-award parent structure

Reported valueAwardsPositive obligationsShare
Single Award(S)226$122.3M51.9%
Multiple Award(M)56$43.6M18.5%
Not reported216$69.6M29.6%

Solicitation procedures

Reported valueAwardsPositive obligationsShare
Negotiated Proposal/Quote(NP)131$95.6M40.6%
Subject to Multiple Award Fair Opportunity(MAFO)46$43.0M18.3%
Only One Source(SSS)85$35.7M15.2%
Sealed Bid(SB)23$32.2M13.7%
Simplified Acquisition(SP1)178$21.3M9.0%
Sss(ONLY ONE SOURCE)9$4.3M1.8%
Other reported values26$3.4M1.5%

Extent competed

Reported valueAwardsPositive obligationsShare
Full and Open Competition After Exclusion of Sources(D)161$152.7M64.8%
Not Available for Competition(B)69$32.7M13.9%
Full and Open Competition(A)39$18.1M7.7%
Competed Under SAP(F)144$16.5M7.0%
Not Competed Under SAP(G)34$4.8M2.0%
B(NOT AVAILABLE FOR COMPETITION)9$4.3M1.8%
Other reported values42$6.4M2.7%

Fair-opportunity and limited-source reporting

Reported valueAwardsPositive obligationsShare
Fair Opportunity Given(FAIR)40$29.1M12.3%
Competitive Set Aside(CSA)7$12.7M5.4%
FAR 16.505(B)(2)(I)(G) Limited Sources(LSRC)1$1.3M0.55%
Follow-on Action Following Competitive Initial Action(FOO)2$292K0.12%
Urgency(URG)1$55K0.020%
Not reported447$192.0M81.6%

Other-than-full-and-open reasons

Reported valueAwardsPositive obligationsShare
Authorized by Statute (FAR 6.302-5(A)(2)(I))(OTH)93$40.4M17.2%
Only One Source-Other (FAR 6.302-1 Other)(ONE)11$3.2M1.4%
SAP Non-Competition (FAR 13)(SP2)20$1.5M0.64%
Urgency (FAR 6.302-2)(URG)6$353K0.15%
Not reported368$189.9M80.7%

Contract pricing types

Reported valueAwardsPositive obligationsShare
Firm Fixed Price(J)461$227.6M96.6%
J(FIRM FIXED PRICE)35$7.7M3.3%
Time and Materials(Y)2$195K0.080%

Product or Service Codes

Reported valueAwardsPositive obligationsShare
Maint/Repair/Rebuild of Equipment- Refrigeration, Air Conditioning, and Air Circulating Equipment(J041)123$61.8M26.3%
Repair or Alteration of Miscellaneous Buildings(Z2JZ)79$59.6M25.3%
Maint/Repair/Rebuild of Equipment- Plumbing, Heating, and Waste Disposal Equipment(J045)65$21.0M8.9%
Repair or Alteration of Heating and Cooling Plants(Z2NB)2$17.1M7.3%
Repair or Alteration of Office Buildings(Z2AA)17$14.5M6.2%
Repair or Alteration of Other Administrative Facilities and Service Buildings(Z2AZ)25$13.0M5.5%
Other reported values187$48.5M20.6%

Awarding subagencies

Reported valueAwardsPositive obligationsShare
Department of the Navy(1700)174$115.3M49.0%
Department of the Army(2100)142$56.5M24.0%
Department of the Air Force(5700)136$56.1M23.8%
Washington Headquarters Services(97F5)12$3.3M1.4%
Defense Logistics Agency(97AS)18$3.2M1.3%
Defense Commissary Agency(97AZ)4$491K0.21%
Other reported values12$669K0.28%

Awarding offices

Reported valueAwardsPositive obligationsShare
Navfacsyscom Mid-Atlantic(N40085)70$67.9M28.9%
W074 Endist Savannah(W912HN)3$17.1M7.3%
Navfacsyscom Southwest(N62473)27$16.1M6.8%
Navfacsyscom Hawaii(N62478)13$12.4M5.3%
Fa9301 Aftc Pzio(FA9301)9$11.3M4.8%
W072 Endist Louisville(W912QR)4$9.9M4.2%
Other reported values372$100.9M42.8%

Reported parent IDVs

Reported valueAwardsPositive obligationsShare
N4008524D2512(9700)1$18.5M7.9%
N4008520D0077(9700)12$14.3M6.0%
N6247822D2402(9700)13$12.4M5.3%
N4008520D0078(9700)8$11.7M5.0%
FA850124D0005(9700)6$8.1M3.5%
N6247325D2710(9700)3$7.1M3.0%
FA930124D0005(9700)5$6.7M2.9%
N4008520D0076(9700)12$5.6M2.4%
Other reported values222$81.5M34.6%
Not reported216$69.6M29.6%

Offers, award size, and timing

Median reported offers
2 median
277 reported · 221 not reported
Positive award obligations
$83K median
$20K–$333K middle 50%
Reported performance period
283 days (~9 months) median
498 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 Oct 14, 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
38 of 270prime contractors account for at least 80% of positive obligations in the last 12 months
Largest prime contractor
8.0%of positive obligations in the last 12 months
Leading four prime contractors
26.4%of positive obligations in the last 12 months
Leading eight prime contractors
41.5%of positive obligations in the last 12 months

Based on $234.9M in positive obligations during the 12 months ending Oct 14, 2026. Individual shares and movement appear in the searchable rankings below. Movement compares with Oct 15, 2024–Oct 14, 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

    8.0%

    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
    $587K → $18.8M
    +3097.2%
    Share: prior → latest
    0.11% → 8.0%
    +7.9 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 reported22
    Reported small business22
    All-period set-aside types

    None reported.

  2. #2

    Last 12mo obligations

    $16.8M

    7.1%

    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% → 7.1%
    +7.1 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

    $14.3M

    6.1%

    Dollar movement

    −$6.2M

    vs. prior 12 months

    Last 12mo awards

    15 awards

    19 actions

    Historical and award details for NORTH STATE MECHANICAL INC
    Obligations: prior → latest
    $20.5M → $14.3M
    −30.3%
    Share: prior → latest
    3.8% → 6.1%
    +2.3 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 reported1511
    Reported small business1511
    All-period set-aside types

    None reported.

  4. #4

    Last 12mo obligations

    $12.2M

    5.2%

    Dollar movement

    −$582K

    vs. prior 12 months

    Last 12mo awards

    24 awards

    29 actions

    Historical and award details for AKTARIUS LLC
    Obligations: prior → latest
    $12.7M → $12.2M
    −4.6%
    Share: prior → latest
    2.4% → 5.2%
    +2.8 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-aside02
    Reported no set-aside00
    Not reported2443
    Reported small business2445
    All-period set-aside types
    • 2 · 8(a) sole source
  5. #5

    Last 12mo obligations

    $11.7M

    5.0%

    Dollar movement

    +$5.8M

    vs. prior 12 months

    Last 12mo awards

    10 awards

    12 actions

    Historical and award details for R & W CONSTRUCTION COMPANY
    Obligations: prior → latest
    $6.0M → $11.7M
    +96.6%
    Share: prior → latest
    1.1% → 5.0%
    +3.9 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 reported1018
    Reported small business1018
    All-period set-aside types

    None reported.

  6. #6

    Last 12mo obligations

    $8.6M

    3.7%

    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% → 3.7%
    +3.7 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
  7. #7

    Last 12mo obligations

    $8.1M

    3.5%

    Dollar movement

    +$5.9M

    vs. prior 12 months

    Last 12mo awards

    10 awards

    11 actions

    Historical and award details for RCA CONTRACTING, INC.
    Obligations: prior → latest
    $2.2M → $8.1M
    +267.4%
    Share: prior → latest
    0.41% → 3.5%
    +3.0 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 reported712
    Reported small business1015
    All-period set-aside types
    • 4 · Total small business
    • 3 · HUBZone set-aside
  8. #8

    Last 12mo obligations

    $7.1M

    3.0%

    Dollar movement

    +$71K

    vs. prior 12 months

    Last 12mo awards

    6 awards

    6 actions

    Historical and award details for CODY M STEVENS CONSTRUCTION INC
    Obligations: prior → latest
    $7.0M → $7.1M
    +1.0%
    Share: prior → latest
    1.3% → 3.0%
    +1.7 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 reported614
    Reported small business614
    All-period set-aside types
    • 1 · Total small business
  9. #9

    Last 12mo obligations

    $6.8M

    2.9%

    Dollar movement

    −$2.0M

    vs. prior 12 months

    Last 12mo awards

    9 awards

    20 actions

    Historical and award details for BRYMAK & ASSOCIATES, INC.
    Obligations: prior → latest
    $8.8M → $6.8M
    −22.7%
    Share: prior → latest
    1.6% → 2.9%
    +1.3 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 reported914
    Reported small business24
    All-period set-aside types

    None reported.

  10. #10

    Last 12mo obligations

    $6.7M

    2.9%

    Dollar movement

    −$6.9M

    vs. prior 12 months

    Last 12mo awards

    10 awards

    12 actions

    Historical and award details for PUYENPA CONSTRUCTION, LLC
    Obligations: prior → latest
    $13.7M → $6.7M
    −50.7%
    Share: prior → latest
    2.6% → 2.9%
    +0.3 percentage points
    All-period obligations
    $22.1M
    0.92% of all-period positive obligations · 28 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 reported917
    Reported small business1019
    All-period set-aside types
    • 2 · 8(a) sole source
  11. #11

    Last 12mo obligations

    $5.6M

    2.4%

    Dollar movement

    −$3.5M

    vs. prior 12 months

    Last 12mo awards

    13 awards

    15 actions

    Historical and award details for MECHWORKS MECHANICAL CONTRACTORS, INC
    Obligations: prior → latest
    $9.1M → $5.6M
    −38.7%
    Share: prior → latest
    1.7% → 2.4%
    +0.7 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 reported1319
    Reported small business1319
    All-period set-aside types

    None reported.

  12. #12

    Last 12mo obligations

    $4.9M

    2.1%

    Dollar movement

    +$4.9M

    vs. prior 12 months

    Last 12mo awards

    2 awards

    2 actions

    Historical and award details for LHH CONSTRUCTION SERVICES, INC.
    Obligations: prior → latest
    $0 → $4.9M
    Not comparable
    Share: prior → latest
    0% → 2.1%
    +2.1 percentage points
    All-period obligations
    $4.9M
    0.20% of all-period positive obligations · 3 awards
    Recorded activity
    Since Aug 15, 2023
    through Apr 21, 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
  13. #13

    Last 12mo obligations

    $4.8M

    2.0%

    Dollar movement

    −$462K

    vs. prior 12 months

    Last 12mo awards

    1 award

    6 actions

    Historical and award details for RYAN & ASSOCIATES, INC.
    Obligations: prior → latest
    $5.2M → $4.8M
    −8.8%
    Share: prior → latest
    0.98% → 2.0%
    +1.1 percentage points
    All-period obligations
    $31.6M
    1.3% of all-period positive obligations · 6 awards
    Recorded activity
    Since Oct 7, 2021
    through Apr 13, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside13
    Not reported00
    Reported small business00
    All-period set-aside types

    None reported.

  14. #14

    Last 12mo obligations

    $4.6M

    1.9%

    Dollar movement

    −$2.3M

    vs. prior 12 months

    Last 12mo awards

    6 awards

    6 actions

    Historical and award details for MALLARD DUCK BAY ENTERPRISES, LLC
    Obligations: prior → latest
    $6.8M → $4.6M
    −33.4%
    Share: prior → latest
    1.3% → 1.9%
    +0.7 percentage points
    All-period obligations
    $12.6M
    0.52% of all-period positive obligations · 11 awards
    Recorded activity
    Since Aug 31, 2023
    through Apr 22, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported67
    Reported small business67
    All-period set-aside types
    • 1 · 8(a) sole source
  15. #15

    Last 12mo obligations

    $4.5M

    1.9%

    Dollar movement

    −$3.8M

    vs. prior 12 months

    Last 12mo awards

    7 awards

    9 actions

    Historical and award details for SOUZA CONSTRUCTION, INC.
    Obligations: prior → latest
    $8.2M → $4.5M
    −45.8%
    Share: prior → latest
    1.5% → 1.9%
    +0.4 percentage points
    All-period obligations
    $22.2M
    0.92% of all-period positive obligations · 36 awards
    Recorded activity
    Since Jan 19, 2022
    through Apr 15, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported721
    Reported small business721
    All-period set-aside types
    • 2 · Total small business

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

+$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
7.1%
Supporting data
Prime contractor
#2 · 7.1% share
Newly active in this market; no actions were reported in the preceding 12 months
Funding office
#3 · 7.2% attributed share
up 95 ranks · +7.0 percentage points · $16.0M net increase; action exceeded it by $793K
Related:Funding office gain
PIID W912HN26CA002
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 133 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
7.9%
Supporting data
Prime contractor
#1 · 8.0% share
up 133 ranks · +7.9 percentage points · $18.2M net increase; action exceeded it by $315K
Related:Largest share gain
PIID N4008526F0297
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 #6 in this market by positive obligations over the latest 12 months.

Award net obligations
$8.6M
Share of 12-month positive obligations
3.7%
Supporting data
Prime contractor
#6 · 3.7% share
Newly active in this market; no actions were reported in the preceding 12 months
Funding office
#5 · 4.2% attributed share
+4.2 percentage points · $9.9M net increase; action accounted for 87.5%
Related:Newly observed contractor cohortLargest newly observed contractor
PIID W912QR26C0003
Modification

This action

+$2.8M

PIEDMONT NATURAL GAS COMPANY, INC.

COMMANDING GENERAL

UESC ANNUAL PAYMENT

Why it stands out

This award grew while spending attributed to its office declined.

The modification added $2.8M while office-attributed obligations fell $3.5M overall.

Award net obligations
$36.0M
Share of 12-month positive obligations
1.2%
Supporting data
Funding office
#2 · 10.6% attributed share
$3.5M net decline despite this positive action
PIID N4008515C7701 · Mod P00017
Base award

This action

+$8.1M

R & W CONSTRUCTION COMPANY

COMMANDING GENERAL

MULTIPLE LOCATION DIESEL PUMP REPAIRS

Why it stands out

The contractor climbed 23 positions in this market.

It now ranks #5 by positive obligations over the latest 12 months.

Award net obligations
$8.1M
Share of 12-month positive obligations
3.4%
Supporting data
Funding office
#2 · 10.6% attributed share
$3.5M net decline despite this positive action
PIID N4008526F0136
Base award

This action

+$5.7M

NORTH STATE MECHANICAL INC

COMMANDING GENERAL

ATS REPLACMENT AT FC445, FC443, AND FC442

Why it stands out

A new award added obligations despite weaker contractor activity.

The action represented 2.4% of the market’s latest 12-month positive obligations while the contractor’s obligations fell $6.2M overall.

Award net obligations
$5.7M
Share of 12-month positive obligations
2.4%
Supporting data
Prime contractor
#3 · 6.1% share
$6.2M net decline despite this positive action
Funding office
#2 · 10.6% attributed share
$3.5M net decline despite this positive action
PIID N4008526F0109
View recent award activity by date (10)
  1. DYNAMIC-HHS JV, LLCBase award · PIID W9123626FA053
    Action+$334K
    Award net obligations$334K
  2. ICI MECHANICAL LLCModification · PIID W9123626PA004
    Action+$62K
    Award net obligations$415K
  3. TEAMGOV, INC.Base award · PIID W9124D26FA216
    Action+$38K
    Award net obligations$38K
  4. TEAMGOV, INC.Base award · PIID W9124D26FA220
    Action+$248K
    Award net obligations$248K
  5. SEAMAIR CONSTRUCTION, INC.Base award · PIID FA461026C0007
    Action+$3.2M
    Award net obligations$3.2M
  6. AER SUPPLY, LTD.Base award · PIID SPE8E826P1018
    Action+$15K
    Award net obligations$15K
  7. ICI MECHANICAL LLCBase award · PIID W9123626PA004
    Action+$353K
    Award net obligations$415K
  8. CAPITAL BRAND GROUP LLCBase award · PIID N4008026F0169
    Action+$34K
    Award net obligations$34K
  9. PUYENPA CONSTRUCTION, LLCBase award · PIID FA930126F0119
    Action+$82K
    Award net obligations$82K
  10. JUSTUS CORPORATIONBase award · PIID FA254326P0002
    Action+$86K
    Award net obligations$86K

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 October 14, 2026, WITHIN INTERIOR DESIGN, INC., COPPER CONSTRUCTION COMPANY, INC., and NORTH STATE MECHANICAL 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

    NORTH STATE MECHANICAL INC

    $14,255,738 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 56.1% from $527,063,742 in the preceding 12 months to $231,292,284 in the 12 months through October 14, 2026.

Latest 12 months
$231,292,284
Net prime contract obligations
Preceding 12 months
$527,063,742
Net prime contract obligations
Change
−56.1%
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 COPPER CONSTRUCTION COMPANY, INC., WITHIN INTERIOR DESIGN, INC., and RUBICON PROFESSIONAL SERVICES LLC during the 12 months through October 14, 2026.

Action obligations are transaction-level amounts, not current award-level obligations.

Which procurement methods were reported for DoD contracts under NAICS 238220?

From October 15, 2025 through October 14, 2026, DoD reported 498 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
498
Leading reported procedure
Negotiated Proposal/Quote
40.6% of positive obligations
Leading award type
Delivery Order
70.3% of positive obligations
Full and open
7.7%
of positive obligations
Reported parent IDV
70.5%
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 October 14, 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