Federal Capture Intelligence

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

Contract actions: October 1, 2021 – September 10, 2026 Updated September 11, 2026 Department of Justice agency guide NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors
Latest 12 months
$36.0M
Net obligations · Up $11.9M vs. $24.2M preceding
Prime contractors
129
With positive obligations in the latest 12 months

Research the DOJ 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 Justice

Federal records show $114.9M in net obligations across 819 awards in Plumbing, Heating, and Air-Conditioning Contractors at the Department of Justice from Oct 1, 2021 through Sep 10, 2026. This market accounts for 0.27% of $42.9B in agency-wide net prime contract obligations over the period shown. Latest 12-month net obligations increased 49.0% from $24.2M to $36.0M. 18 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: $35.4M versus $21.1M through the same date in FY25 (+68.4%).
Net obligations · complete fiscal yearNet obligations · FY26 YTDContract actions
View fiscal-year data table
Fiscal yearNet obligationsContract actionsCoverage
FY2022$11.3M210Complete
FY2023$23.6M262Complete
FY2024$22.9M284Complete
FY2025$21.6M291Complete
FY2026$35.4M315YTD through Sep 10, 2026

Market at a glance

All reported prime contract awards
All-period net obligations
$114.9M
819 awards · 362 prime contractors
Latest 12-month movement
+49.0%
$36.0M vs. $24.2M
Leading eight prime share
68.8%
Share held by the eight leading prime contractors in the latest 12 months
View agency share, denominators, and set-aside reporting
Agency context
0.27% of $42.9B in agency-wide net obligations.
Set-aside share when reported
32.9% of 666 awards with reported set-aside status.
Set-aside reporting
219 set aside · 447 no set-aside · 153 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

UTILITY SYSTEMS SOLUTIONS, INC. lost the most market share
15.57%→0.35%−15.2 percentage points
The contractor now ranks #39 by positive obligations, based on 6 reported actions.
PEACHTREE MECHANICAL, INC. climbed the most in the contractor rankings
#21→#4Up 17 places
The contractor accounts for 7.8% of positive obligations across 3 reported actions.
20 contractors were first observed in this market during the latest 12 months
$14.3MLatest 12-month obligations
Contractor-level obligations and first-observed dates appear below. “First observed” applies only to this market and the period shown.
View 20 contractors
ContractorLatest 12 months
BLASCO CONSTRUCTION CORP had the largest increase in reported obligations
$2.4M→$6.0M+$3.6M
The contractor now ranks #2 by positive obligations and accounts for 16.6% of positive obligations, based on 5 reported actions.
SOUTH ALABAMA CONTRACTING LLC was the largest newly observed contractor
$6.1MLatest 12-month obligations
First observed in this market on Nov 20, 2025, the contractor now ranks #1 by positive obligations across 3 reported actions.

Buyer demand

Reported obligations through FCC TUCSON decreased
$4.2M→$146K−$4.0M
Latest-period activity spans 2 awards across 2 prime contractors.
View 4 additional material changes

Competitive shifts

EVERSON PEACHTREE, LLC fell the most in the contractor rankings
#2→#104Down 102 places
The contractor accounts for 0.030% of positive obligations across 1 reported action.

Market structure

Top-five contractor share increased
50.8%→60.6%+9.8 percentage points
Contractors outside the top five now account for 39.4% of positive obligations.

Buyer demand

Reported obligations through FCI JESUP increased
$250K→$4.6M+$4.3M
Latest-period activity spans 2 awards across 2 prime contractors.

Award activity

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.

15.7% of positive obligations were attributed to CENTRAL OFFICE. That represents $5.7M, up $5.7M from the preceding 12 months.

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

  1. CENTRAL OFFICE15.7% · $5.7M · up $5.7M
  2. FCI JESUP12.7% · $4.6M · up $4.3M
  3. FDC MIAMI11.6% · $4.2M · up $4.1M
  4. FCI BENNETTSVILLE7.7% · $2.8M · up $2.8M
  5. FCI MILAN7.6% · $2.8M · up $2.7M
  6. All other reported offices44.6% 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

    CENTRAL OFFICE

    #1New to the positive-obligation ranking

    Latest 12 months

    $5.7M

    15.7% of positive obligations

    Versus preceding 12 months

    +$5.7M

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations rose from $0 to $5.7M. The office’s share of positive obligations moved from 0% to 15.7%, a change of +15.7 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.

    Leading award-level changes

  2. Reported funding office

    FCI JESUP

    #2Up 19 from #21

    Latest 12 months

    $4.6M

    12.7% of positive obligations

    Versus preceding 12 months

    +$4.3M

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations increased 1727.8% from $250K to $4.6M. The office’s share of positive obligations moved from 1.0% to 12.7%, a change of +11.6 percentage points.

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

  3. Reported funding office

    FDC MIAMI

    #3Up 49 from #52

    Latest 12 months

    $4.2M

    11.6% of positive obligations

    Versus preceding 12 months

    +$4.1M

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations increased 13545.5% from $31K to $4.2M. The office’s share of positive obligations moved from 0.13% to 11.6%, a change of +11.5 percentage points.

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

  4. Reported funding office

    FCI BENNETTSVILLE

    #4New to the positive-obligation ranking

    Latest 12 months

    $2.8M

    7.7% of positive obligations

    Versus preceding 12 months

    +$2.8M

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations rose from $0 to $2.8M. The office’s share of positive obligations moved from 0% to 7.7%, a change of +7.7 percentage points.

    The latest period contains 4 actions across 2 awards and 2 newly active prime contractors. The preceding period contained 0 active prime contractors and 0 awards.

  5. Reported funding office

    FCI MILAN

    #5Up 68 from #73

    Latest 12 months

    $2.8M

    7.6% of positive obligations

    Versus preceding 12 months

    +$2.7M

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations increased 33723.6% from $8K to $2.8M. The office’s share of positive obligations moved from 0.030% to 7.6%, a change of +7.6 percentage points.

    The latest period contains 4 actions across 2 awards and 1 newly active prime contractor. The preceding period contained 2 active prime contractors and 2 awards.

  6. Reported funding office

    FCI MARIANNA

    #6New to the positive-obligation ranking

    Latest 12 months

    $1.8M

    5.1% of positive obligations

    Versus preceding 12 months

    +$1.8M

    3 active prime contractors · 3 awards

    View office comparison and evidence

    Reported obligations rose from $0 to $1.8M. The office’s share of positive obligations moved from 0% to 5.1%, a change of +5.1 percentage points.

    The latest period contains 5 actions across 3 awards and 3 newly active prime contractors. The preceding period contained 0 active prime contractors and 0 awards.

  7. Reported funding office

    FCI PEKIN

    #7New to the positive-obligation ranking

    Latest 12 months

    $1.4M

    4.0% of positive obligations

    Versus preceding 12 months

    +$1.4M

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations rose from $0 to $1.4M. The office’s share of positive obligations moved from 0% to 4.0%, a change of +4.0 percentage points.

    The latest period contains 4 actions across 2 awards and 2 newly active prime contractors. The preceding period contained 0 active prime contractors and 0 awards.

  8. Reported funding office

    FCI MENDOTA

    #8Up 40 from #48

    Latest 12 months

    $1.4M

    4.0% of positive obligations

    Versus preceding 12 months

    +$1.4M

    7 active prime contractors · 10 awards

    View office comparison and evidence

    Reported obligations increased 3234.3% from $43K to $1.4M. The office’s share of positive obligations moved from 0.18% to 4.0%, a change of +3.8 percentage points.

    The latest period contains 10 actions across 10 awards and 4 newly active prime contractors. The preceding period contained 3 active prime contractors and 3 awards.

  9. Reported funding office

    FCC VICTORVILLE

    #9Up 27 from #36

    Latest 12 months

    $1.1M

    3.1% of positive obligations

    Versus preceding 12 months

    +$1.0M

    6 active prime contractors · 9 awards

    View office comparison and evidence

    Reported obligations increased 1255.9% from $83K to $1.1M. The office’s share of positive obligations moved from 0.34% to 3.1%, a change of +2.8 percentage points.

    The latest period contains 12 actions across 9 awards and 3 newly active prime contractors. The preceding period contained 5 active prime contractors and 9 awards.

  10. Reported funding office

    MDC GUAYANBO

    #10Up 29 from #39

    Latest 12 months

    $804K

    2.2% of positive obligations

    Versus preceding 12 months

    +$724K

    5 active prime contractors · 8 awards

    View office comparison and evidence

    Reported obligations increased 909.7% from $80K to $804K. The office’s share of positive obligations moved from 0.33% to 2.2%, a change of +1.9 percentage points.

    The latest period contains 13 actions across 8 awards and 3 newly active prime contractors. The preceding period contained 4 active prime contractors and 5 awards.

  11. Reported funding office

    FCC TUCSON

    #31Down 30 from #1

    Latest 12 months

    $146K

    0.40% of positive obligations

    Versus preceding 12 months

    −$4.0M

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations decreased 96.5% from $4.2M to $146K. The office’s share of positive obligations moved from 17.3% to 0.40%, a change of −16.9 percentage points.

    The latest period contains 6 actions across 2 awards. The preceding period contained 3 active prime contractors and 3 awards.

    Leading award-level changes

  12. Reported funding office

    FCI BERLIN

    #64Down 59 from #5

    Latest 12 months

    $16K

    0.050% of positive obligations

    Versus preceding 12 months

    −$977K

    4 active prime contractors · 4 awards

    View office comparison and evidence

    Reported obligations decreased 98.4% from $994K to $16K. The office’s share of positive obligations moved from 4.1% to 0.050%, a change of −4.0 percentage points.

    The latest period contains 4 actions across 4 awards and 1 newly active prime contractor. The preceding period contained 3 active prime contractors and 3 awards.

  13. Reported funding office

    FCI EDGEFIELD

    #71Down 69 from #2

    Latest 12 months

    $12K

    0.030% of positive obligations

    Versus preceding 12 months

    −$2.7M

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations decreased 99.6% from $2.7M to $12K. The office’s share of positive obligations moved from 11.3% to 0.030%, a change of −11.3 percentage points.

    The latest period contains 1 action across 1 award. The preceding period contained 1 active prime contractor and 1 award.

  14. Reported funding office

    FCI SCHUYLKILL

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    −$1.6M

    0 active prime contractors · 0 awards

    View office comparison and evidence

    Reported obligations decreased 100.0% from $1.6M to $0. The office’s share of positive obligations moved from 6.6% to 0%, a change of −6.6 percentage points.

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

  15. Reported funding office

    USP CANAAN

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    −$979K

    0 active prime contractors · 0 awards

    View office comparison and evidence

    Reported obligations decreased 100.0% from $979K to $0. The office’s share of positive obligations moved from 4.0% to 0%, a change of −4.0 percentage points.

    The latest period contains 0 actions across 0 awards. 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, 206 awards had positive obligations totaling $36.1M. Sealed Bid was the leading reported procedure, accounting for 23.3% of positive obligations. Awards with a reported parent IDV accounted for 0.80%.

Leading award type
79.6%
Definitive Contract
Leading reported procedure
23.3%
Sealed Bid
Reported parent IDV
0.80%
of positive obligations had a reported parent IDV
Median reported offers
1
169 of 206 awards reported offers

Buying method changes

Compared with Sep 11, 2024–Sep 10, 2025. Based on 206 current awards and 197 preceding awards with positive net obligations.

Sealed Bid obligation share
23.3%
Down from 43.2% 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 26.0 percentage points lower, reported full-and-open obligation share is 3.8 percentage points lower, delivery-order obligation share is 12.6 percentage points lower, and median positive award obligations are 47.9% lower.

MeasureThis marketPeer medianDifference
Parent-IDV obligation share0.80%26.8%-26.0 pts
Reported full-and-open obligation share0.26%4.1%-3.8 pts
Delivery-order obligation share0.57%13.2%-12.6 pts
Median positive award obligations$22K$41K-47.9%
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
Definitive Contract(D)31$28.7M79.6%
Purchase Order(B)136$7.1M19.6%
Delivery Order(C)37$205K0.57%
BPA Call(A)2$83K0.23%

Reported parent-award types

Reported valueAwardsPositive obligationsShare
IDC(B)36$182K0.50%
BPA(E)2$83K0.23%
FSS(C)1$24K0.070%
Not reported167$35.8M99.2%

Single- or multiple-award parent structure

Reported valueAwardsPositive obligationsShare
Single Award(S)38$265K0.73%
Multiple Award(M)1$24K0.070%
Not reported167$35.8M99.2%

Solicitation procedures

Reported valueAwardsPositive obligationsShare
Sealed Bid(SB)11$8.4M23.3%
Sp1(SIMPLIFIED ACQUISITION)23$6.7M18.7%
Sss(ONLY ONE SOURCE)12$6.7M18.7%
Only One Source(SSS)32$6.0M16.8%
Simplified Acquisition(SP1)115$5.2M14.5%
Np(NEGOTIATED PROPOSAL/QUOTE)3$1.4M4.0%
Other reported values10$1.5M4.1%

Extent competed

Reported valueAwardsPositive obligationsShare
Full and Open Competition After Exclusion of Sources(D)17$8.6M23.9%
G(NOT COMPETED UNDER SAP)3$5.9M16.3%
B(NOT AVAILABLE FOR COMPETITION)2$5.0M13.9%
Competed Under SAP(F)90$4.2M11.7%
Not Competed(C)29$4.1M11.3%
D(FULL AND OPEN COMPETITION AFTER EXCLUSION OF SOURCES)2$2.3M6.3%
Other reported values63$6.0M16.7%

Fair-opportunity and limited-source reporting

Reported valueAwardsPositive obligationsShare
Competitive Set Aside(CSA)1$57K0.16%
Only One Source - Other(ONE)1$24K0.070%
Not reported204$36.0M99.8%

Other-than-full-and-open reasons

Reported valueAwardsPositive obligationsShare
Authorized by Statute (FAR 6.302-5(A)(2)(I))(OTH)8$13.0M36.0%
Urgency (FAR 6.302-2)(URG)24$5.0M13.9%
Only One Source-Other (FAR 6.302-1 Other)(ONE)16$866K2.4%
SAP Non-Competition (FAR 13)(SP2)13$746K2.1%
Authorized Resale (FAR 6.302-5(A)(2)(Ii))(RES)3$77K0.21%
Unique Source (FAR 6.302-1(B)(1))(UNQ)1$61K0.17%
Other reported values9$53K0.15%
Not reported132$16.3M45.0%

Contract pricing types

Reported valueAwardsPositive obligationsShare
Firm Fixed Price(J)165$20.0M55.4%
J(FIRM FIXED PRICE)39$16.1M44.6%
Time and Materials(Y)2$20K0.050%

Product or Service Codes

Reported valueAwardsPositive obligationsShare
Repair or Alteration of Penal Facilities(Z2FF)30$28.5M79.0%
Maint/Repair/Rebuild of Equipment- Plumbing, Heating, and Waste Disposal Equipment(J045)55$1.4M3.9%
Maint/Repair/Rebuild of Equipment- Refrigeration, Air Conditioning, and Air Circulating Equipment(J041)16$1.0M2.9%
Air Conditioning Equipment(4120)14$806K2.2%
Maintenance of Penal Facilities(Z1FF)3$568K1.6%
Industrial Boilers(4410)5$417K1.2%
Other reported values83$3.3M9.2%

Awarding subagencies

Reported valueAwardsPositive obligationsShare
Federal Prison System / Bureau of Prisons(1540)169$34.9M96.7%
Federal Bureau of Investigation(1549)6$285K0.79%
Federal Prison Industries / Unicor(1542)3$235K0.65%
Drug Enforcement Administration(1524)8$223K0.62%
Bureau of Alcohol, Tobacco, Firearms and Explosives Acquisition and Property Management Division(1560)3$165K0.46%
U.S. Marshals Service(1544)7$126K0.35%
Other reported values10$169K0.47%

Awarding offices

Reported valueAwardsPositive obligationsShare
Building and Facilities (Fao)(15BBNF)21$18.5M51.3%
Fao(15BFA0)11$6.9M19.0%
Fci Marianna(15B308)3$1.8M5.0%
Fci Pekin(15B411)2$1.4M4.0%
Mdc Guayanbo(15B306)7$805K2.2%
Mcc Chicago(15B401)3$680K1.9%
Other reported values159$5.9M16.5%

Reported parent IDVs

Reported valueAwardsPositive obligationsShare
15BNAS21D00000165(1540)32$140K0.39%
47PL0222A0008(4740)1$57K0.16%
15B51924A00000001(1540)1$26K0.070%
47QSHA20D001D(4732)1$24K0.070%
47PF0020D0005(4740)1$14K0.040%
15B61723D00000047(1540)1$13K0.040%
47PF0020D0006(4740)1$12K0.030%
DJBP0700NAS130(1540)1$2K0.010%
Not reported167$35.8M99.2%

Offers, award size, and timing

Median reported offers
1 median
169 reported · 37 not reported
Positive award obligations
$22K median
$7K–$85K middle 50%
Reported performance period
72 days (~2 months) median
205 reported · 1 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
18 of 129prime contractors account for at least 80% of positive obligations in the last 12 months
Largest prime contractor
17.0%of positive obligations in the last 12 months
Leading four prime contractors
53.0%of positive obligations in the last 12 months
Leading eight prime contractors
68.8%of positive obligations in the last 12 months

Based on $36.1M 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

    $6.1M

    17.0%

    Dollar movement

    +$6.1M

    vs. prior 12 months

    Last 12mo awards

    2 awards

    3 actions

    Historical and award details for SOUTH ALABAMA CONTRACTING LLC
    Obligations: prior → latest
    $0 → $6.1M
    Not comparable
    Share: prior → latest
    0% → 17.0%
    +17.0 percentage points
    All-period obligations
    $6.1M
    5.3% of all-period positive obligations · 2 awards
    Recorded activity
    Since Nov 20, 2025
    through Aug 18, 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 · 8(a) sole source
  2. #2

    Last 12mo obligations

    $6.0M

    16.6%

    Dollar movement

    +$3.6M

    vs. prior 12 months

    Last 12mo awards

    3 awards

    5 actions

    Historical and award details for BLASCO CONSTRUCTION CORP
    Obligations: prior → latest
    $2.4M → $6.0M
    +152.1%
    Share: prior → latest
    9.7% → 16.6%
    +6.9 percentage points
    All-period obligations
    $11.9M
    10.4% of all-period positive obligations · 5 awards
    Recorded activity
    Since Sep 4, 2024
    through Aug 21, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside33
    Reported no set-aside01
    Not reported00
    Reported small business34
    All-period set-aside types
    • 4 · 8(a) sole source
  3. #3

    Last 12mo obligations

    $4.2M

    11.6%

    Dollar movement

    +$4.2M

    vs. prior 12 months

    Last 12mo awards

    1 award

    4 actions

    Historical and award details for MARRERO, COUVILLON & ASSOCIATES, L.L.C.
    Obligations: prior → latest
    $0 → $4.2M
    Not comparable
    Share: prior → latest
    0% → 11.6%
    +11.6 percentage points
    All-period obligations
    $4.2M
    3.6% of all-period positive obligations · 1 award
    Recorded activity
    Since Feb 25, 2026
    through Jun 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
  4. #4

    Last 12mo obligations

    $2.8M

    7.8%

    Dollar movement

    +$2.6M

    vs. prior 12 months

    Last 12mo awards

    1 award

    3 actions

    Historical and award details for PEACHTREE MECHANICAL, INC.
    Obligations: prior → latest
    $197K → $2.8M
    +1324.1%
    Share: prior → latest
    0.80% → 7.8%
    +7.0 percentage points
    All-period obligations
    $3.6M
    3.1% of all-period positive obligations · 2 awards
    Recorded activity
    Since May 31, 2024
    through Jul 28, 2026

    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.

  5. #5

    Last 12mo obligations

    $2.8M

    7.6%

    Dollar movement

    +$219K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    3 actions

    Historical and award details for NBT CONSTRUCTION AND SUPPLY, LLC
    Obligations: prior → latest
    $2.5M → $2.8M
    +8.7%
    Share: prior → latest
    10.3% → 7.6%
    −2.7 percentage points
    All-period obligations
    $6.5M
    5.7% of all-period positive obligations · 7 awards
    Recorded activity
    Since Feb 8, 2023
    through Jun 16, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside24
    Reported no set-aside00
    Not reported00
    Reported small business24
    All-period set-aside types
    • 5 · Total small business
  6. #6

    Last 12mo obligations

    $1.2M

    3.2%

    Dollar movement

    +$1.2M

    vs. prior 12 months

    Last 12mo awards

    1 award

    3 actions

    Historical and award details for VORIS MECHANICAL INC
    Obligations: prior → latest
    $0 → $1.2M
    Not comparable
    Share: prior → latest
    0% → 3.2%
    +3.2 percentage points
    All-period obligations
    $1.2M
    1.0% of all-period positive obligations · 1 award
    Recorded activity
    Since Feb 24, 2026
    through Aug 3, 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

    $1.1M

    3.0%

    Dollar movement

    +$1.1M

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for PRECISION & CO CONTRACTORS LLC
    Obligations: prior → latest
    $0 → $1.1M
    Not comparable
    Share: prior → latest
    0% → 3.0%
    +3.0 percentage points
    All-period obligations
    $1.1M
    0.95% of all-period positive obligations · 1 award
    Recorded activity
    Since Aug 24, 2026
    through Aug 24, 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
  8. #8

    Last 12mo obligations

    $714K

    2.0%

    Dollar movement

    +$714K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    5 actions

    Historical and award details for TODAY PLUMBING SERVICES CORP.
    Obligations: prior → latest
    $0 → $714K
    Not comparable
    Share: prior → latest
    0% → 2.0%
    +2.0 percentage points
    All-period obligations
    $714K
    0.62% of all-period positive obligations · 2 awards
    Recorded activity
    Since Dec 1, 2025
    through Aug 27, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside10
    Reported no set-aside10
    Not reported00
    Reported small business20
    All-period set-aside types
    • 1 · Total small business
  9. #9

    Last 12mo obligations

    $671K

    1.9%

    Dollar movement

    +$671K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    2 actions

    Historical and award details for SENECA FEDERAL SOLUTIONS, LLC
    Obligations: prior → latest
    $0 → $671K
    Not comparable
    Share: prior → latest
    0% → 1.9%
    +1.9 percentage points
    All-period obligations
    $671K
    0.58% of all-period positive obligations · 2 awards
    Recorded activity
    Since May 6, 2026
    through Aug 27, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside10
    Reported no set-aside10
    Not reported00
    Reported small business20
    All-period set-aside types
    • 1 · 8(a) sole source
  10. #10

    Last 12mo obligations

    $510K

    1.4%

    Dollar movement

    −$212K

    vs. prior 12 months

    Last 12mo awards

    5 awards

    6 actions

    Historical and award details for MECHANICAL COOLING SERVICES, LLC
    Obligations: prior → latest
    $722K → $510K
    −29.4%
    Share: prior → latest
    2.9% → 1.4%
    −1.5 percentage points
    All-period obligations
    $1.2M
    1.1% of all-period positive obligations · 5 awards
    Recorded activity
    Since Apr 1, 2025
    through Aug 27, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside31
    Reported no set-aside21
    Not reported00
    Reported small business52
    All-period set-aside types
    • 3 · Total small business
  11. #11

    Last 12mo obligations

    $499K

    1.4%

    Dollar movement

    +$128K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    5 actions

    Historical and award details for MICHAEL KOST
    Obligations: prior → latest
    $371K → $499K
    +34.4%
    Share: prior → latest
    1.5% → 1.4%
    −0.1 percentage points
    All-period obligations
    $4.0M
    3.5% of all-period positive obligations · 3 awards
    Recorded activity
    Since May 7, 2024
    through Sep 3, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside11
    Reported no set-aside10
    Not reported00
    Reported small business21
    All-period set-aside types
    • 2 · Total small business
  12. #12

    Last 12mo obligations

    $471K

    1.3%

    Dollar movement

    +$471K

    vs. prior 12 months

    Last 12mo awards

    1 award

    3 actions

    Historical and award details for SEASA & PARKS LLC
    Obligations: prior → latest
    $0 → $471K
    Not comparable
    Share: prior → latest
    0% → 1.3%
    +1.3 percentage points
    All-period obligations
    $471K
    0.41% of all-period positive obligations · 1 award
    Recorded activity
    Since Mar 18, 2026
    through Aug 5, 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
  13. #13

    Last 12mo obligations

    $364K

    1.0%

    Dollar movement

    +$339K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    2 actions

    Historical and award details for MILLER PROCTOR NICKOLAS INC
    Obligations: prior → latest
    $25K → $364K
    +1356.3%
    Share: prior → latest
    0.10% → 1.0%
    +0.9 percentage points
    All-period obligations
    $389K
    0.34% of all-period positive obligations · 3 awards
    Recorded activity
    Since Feb 24, 2025
    through Aug 24, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside21
    Not reported00
    Reported small business00
    All-period set-aside types

    None reported.

  14. #14

    Last 12mo obligations

    $358K

    0.99%

    Dollar movement

    +$358K

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for COMPOSITE COOLING SOLUTIONS, L.P.
    Obligations: prior → latest
    $0 → $358K
    Not comparable
    Share: prior → latest
    0% → 0.99%
    +1.0 percentage points
    All-period obligations
    $358K
    0.31% of all-period positive obligations · 1 award
    Recorded activity
    Since Jul 6, 2026
    through Jul 6, 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

    $341K

    0.95%

    Dollar movement

    +$341K

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for SUPPLIED INDUSTRIAL SOLUTIONS, INC.
    Obligations: prior → latest
    $0 → $341K
    Not comparable
    Share: prior → latest
    0% → 0.95%
    +0.9 percentage points
    All-period obligations
    $341K
    0.30% of all-period positive obligations · 2 awards
    Recorded activity
    Since May 31, 2022
    through Aug 7, 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
    • 1 · 8(a) sole source

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

+$4.2M

MARRERO, COUVILLON & ASSOCIATES, L.L.C.

FDC MIAMI

B&F - FDC MIAMI - REPLACE CHILLERS 1, 2, & 3 - 24Z3AY2

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

Award net obligations
$4.2M
Share of 12-month positive obligations
11.6%
Supporting data
Prime contractor
#3 · 11.6% share
Newly active in this market; no actions were reported in the preceding 12 months
Funding office
#3 · 11.6% attributed share
up 49 ranks · +11.5 percentage points · $4.1M net increase; action exceeded it by $31K
Related:Newly observed contractor cohort
PIID 15BBNF26C00000030
Base award

This action

+$5.7M

BLASCO CONSTRUCTION CORP

CENTRAL OFFICE

26Z5AJ4 REPLACE/REPAIR BOILERS MULTIPLE LOCATIONS EO 14398

Why it stands out

The contractor climbed 2 positions in this market.

It now ranks #2 by positive obligations over the latest 12 months.

Award net obligations
$5.7M
Share of 12-month positive obligations
15.7%
Supporting data
Prime contractor
#2 · 16.6% share
up 2 ranks · +6.9 percentage points · $3.6M net increase; action exceeded it by $2.1M
Funding office
#1 · 15.7% attributed share
+15.7 percentage points · $5.7M net increase; action accounted for 100.0%
Related:Largest contractor gainUnusually large action
PIID 15BBNF26C70000005
Base award

This action

+$4.5M

SOUTH ALABAMA CONTRACTING LLC

FCI JESUP

EO14398 (OB3) REPLACE CHILLERS AND WATER TOWERS AT FCI JESUP

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

Award net obligations
$4.5M
Share of 12-month positive obligations
12.4%
Supporting data
Prime contractor
#1 · 17.0% share
Newly active in this market; no actions were reported in the preceding 12 months
Funding office
#2 · 12.7% attributed share
up 19 ranks · +11.6 percentage points · $4.3M net increase; action exceeded it by $160K
Related:Newly observed contractor cohortLargest newly observed contractor
PIID 15BBNF26C30700001
Base award

This action

+$2.8M

NBT CONSTRUCTION AND SUPPLY, LLC

FCI MILAN

FCI MILAN - EMERGENCY SURFACE BLOWDOWN HEAT RECOVERY/DA CONTROLS - 24Z4AY5

Why it stands out

The funding office climbed 68 positions in attributed spending.

It now ranks #5 in attributed spending.

Award net obligations
$2.8M
Share of 12-month positive obligations
7.6%
Supporting data
Funding office
#5 · 7.6% attributed share
up 68 ranks · +7.6 percentage points · $2.7M net increase; action exceeded it by $4K
PIID 15BBNF26C00000024
Base award

This action

+$1.2M

VORIS MECHANICAL INC

FCI PEKIN

B&F PROJECT 24Z4AT1-REPLACE BOILERS & CONTROLLERS

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
$1.2M
Share of 12-month positive obligations
3.2%
Supporting data
Prime contractor
#6 · 3.2% share
Newly active in this market; no actions were reported in the preceding 12 months
Funding office
#7 · 4.0% attributed share
+4.0 percentage points · $1.4M net increase; action accounted for 80.5%
Related:Newly observed contractor cohort
PIID 15BBNF26C00000033
Base award

This action

+$1.6M

PEACHTREE MECHANICAL, INC.

FCI BENNETTSVILLE

FCI BENNETTSVILLE - REPLACE CHILLERS 1 & 3 - 25Z3AJ1

Why it stands out

The contractor climbed 17 positions in this market.

It now ranks #4 by positive obligations over the latest 12 months.

Award net obligations
$2.8M
Share of 12-month positive obligations
4.3%
Supporting data
Prime contractor
#4 · 7.8% share
up 17 ranks · +7.0 percentage points · $2.6M net increase; action accounted for 59.9%
Funding office
#4 · 7.7% attributed share
+7.7 percentage points · $2.8M net increase; action accounted for 56.0%
Related:Largest rank gain
PIID 15BBNF26C00000014
View recent award activity by date (10)
  1. PALMETTO AIR & CHILLER SERVICE INCModification · PIID 15B31626P00000089
    Action+$52K
    Award net obligations$111K
  2. INSPARISK, LLCBase award · PIID 15B30626F00000152
    Action+$1K
    Award net obligations$1K
  3. INSPARISK, LLCBase award · PIID 15B61726F00000145
    Action+$5K
    Award net obligations$5K
  4. MICHAEL KOSTModification · PIID 15BBR026P00000112
    Action+$33K
    Award net obligations$112K
  5. MOBILE STEAM BOILER RENTAL CORPModification · PIID 15BBR026P00000018
    Action+$15K
    Award net obligations$158K
  6. PALMETTO AIR & CHILLER SERVICE INCBase award · PIID 15B31626P00000089
    Action+$59K
    Award net obligations$111K
  7. SENECA FEDERAL SOLUTIONS, LLCBase award · PIID 15BBNF26P61600002
    Action+$535K
    Award net obligations$535K
  8. TODAY PLUMBING SERVICES CORP.Modification · PIID 15BBNF26C00000034
    Action+$191K
    Award net obligations$699K
  9. AIR PERFORMANCE SERVICE OF HOUSTON, LLCBase award · PIID 15B50026P00000021
    Action+$21K
    Award net obligations$21K
  10. FIBER BUSINESS SOLUTIONS GROUP INCModification · PIID 15F06724C0001311
    Action+$38K
    Award net obligations$200K

DOJ plumbing, heating, and air-conditioning market FAQs

Answers based on reported federal contract data.

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

In the 12 months through September 10, 2026, SOUTH ALABAMA CONTRACTING LLC, BLASCO CONSTRUCTION CORP, and MARRERO, COUVILLON & ASSOCIATES, L.L.C. were the leading DOJ plumbing, heating, and air-conditioning prime contractors by positive obligations.

  1. #1

    SOUTH ALABAMA CONTRACTING LLC

    $6,134,039 in positive obligations

  2. #2

    BLASCO CONSTRUCTION CORP

    $5,987,117 in positive obligations

  3. #3

    MARRERO, COUVILLON & ASSOCIATES, L.L.C.

    $4,177,998 in positive obligations

Rankings use reported USAspending award data.

Did DOJ contract obligations increase in the plumbing, heating, and air-conditioning market?

Yes. Measured by net prime contract obligations, reported DOJ activity in the plumbing, heating, and air-conditioning market increased 49% from $24,183,432 in the preceding 12 months to $36,040,183 in the 12 months through September 10, 2026.

Latest 12 months
$36,040,183
Net prime contract obligations
Preceding 12 months
$24,183,432
Net prime contract obligations
Change
+49%
Between matched 12-month periods

Reported contract actions, not outlays or a forecast.

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

Recent DOJ contract award activity reported in the plumbing, heating, and air-conditioning market included actions for MARRERO, COUVILLON & ASSOCIATES, L.L.C., BLASCO CONSTRUCTION CORP, and SOUTH ALABAMA CONTRACTING LLC 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 DOJ contracts under NAICS 238220?

From September 11, 2025 through September 10, 2026, DOJ reported 206 positive-obligation awards for plumbing, heating, and air-conditioning under NAICS 238220. The leading award type was definitive contract. The leading reported procedure was sealed bid.

Positive-obligation awards
206
Leading reported procedure
Sealed Bid
23.3% of positive obligations
Leading award type
Definitive Contract
79.6% of positive obligations
Full and open
0.3%
of positive obligations
Reported parent IDV
0.8%
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.

Review data methodology