Top DOJ air-conditioning and warm air heating equipment and commercial and industrial refrigeration equipment manufacturing contractors
In the 12 months ending Oct 5, 2026, the Department of Justice obligated $94.5M in net prime contract dollars under NAICS 333415, up 2612.3% from $3.5M in the preceding 12 months. 46 prime contractors received positive obligations, and 2 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Justice. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top DOJ contractors for NAICS 333415
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | Four Tribes Civil Construction LLC | $57.7M | $0 | 61.0% | New |
| 2 | TSS-PCS LLC | $29.9M | $0 | 31.6% | New |
| 3 | Brothers Mechanical Services LLC | $1.8M | $0 | 1.9% | New |
| 4 | Accentz, Inc. | $1.4M | $0 | 1.5% | New |
| 5 | Water Heater Distributors, LLC | $480K | $0 | 0.5% | New |
| 6 | CD Mechanical, Inc. | $318K | $0 | 0.3% | New |
| 7 | Brady Trane Service Inc | $307K | $0 | 0.3% | New |
| 8 | Apex Pro Services LLC | $288K | $0 | 0.3% | New |
| 9 | Trane U.S. Inc. | $249K | $123K | 0.3% | — |
| 10 | Innovix LLC | $183K | $0 | 0.2% | New |
| 11 | Palmetto Air & Chiller Service Inc | $182K | $245K | 0.2% | ▼ 7 |
| 12 | CT/HX, LLC | $150K | $0 | 0.2% | New |
| 13 | United Refrigeration Inc | $149K | $39K | 0.2% | ▲ 8 |
| 14 | RNK International, Inc. | $131K | $0 | 0.1% | New |
| 15 | US Engineering Service LLC | $125K | $0 | 0.1% | New |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Four Tribes Civil Construction LLC$0 → $57.7M (+$57.7M) · now #1
- TSS-PCS LLC$0 → $29.9M (+$29.9M) · now #2
- Brothers Mechanical Services LLC$0 → $1.8M (+$1.8M) · now #3
Largest declines
- Nova Facility Solutions Inc$644K → $0 (−$644K) · no latest-period obligations
- Total Solution LLC$399K → $0 (−$399K) · no latest-period obligations
- Daikin Applied Americas Inc$286K → $0 (−$286K) · no latest-period obligations
New to this market
32 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Four Tribes Civil Construction LLC | Sep 30, 2026 | $57.7M |
| TSS-PCS LLC | Sep 30, 2026 | $29.9M |
| Brothers Mechanical Services LLC | Mar 25, 2026 | $1.8M |
| Accentz, Inc. | Aug 31, 2026 | $1.4M |
| Water Heater Distributors, LLC | Jul 9, 2026 | $480K |
| CD Mechanical, Inc. | Apr 30, 2026 | $318K |
| Brady Trane Service Inc | Jul 7, 2026 | $307K |
| Apex Pro Services LLC | Jul 31, 2026 | $288K |
Where the money comes from
Funding sub-agencies within the Department of Justice, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| Federal Prison System / Bureau of Prisons | $92.5M | $2.7M | Up $89.8M (3344.8%) |
| Drug Enforcement Administration | $1.8M | $29K | Up $1.8M (6163.3%) |
| Federal Bureau of Investigation | $110K | $69K | Up $41K (60.3%) |
| Federal Prison Industries / Unicor | $19K | $700K | Down $681K (97.3%) |
| Offices, Boards and Divisions | $6K | $0 | New |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| 15BBNF26C60000001 | Four Tribes Civil Construction LLC FREEZER AND COOLER REPLACEMENT - WESTERN REGION | $30.5M | Mar 1, 2027 |
| 15BBNF26C50000001 | Four Tribes Civil Construction LLC THE PROVISION OF ALL NECESSARY EQUIPMENT, LABOR, MATERIALS, AND INCIDENTALS TO INSTALL AND/OR REPAIR MULTIPLE FREEZER AND COOLER UNITS AT 11 INSTITUTIONS THROUGHOUT THE… | $27.2M | Mar 1, 2027 |
| 15DDHQ26P00000407 | Brothers Mechanical Services LLC TITLE: CHILLER REPLACEMENT PROJECT REQUESTOR: JOHN W POYER AFT#: 2026-FS-0057 POP DATES: 04/10/2026 TO 04/09/2027 | $1.8M | Apr 9, 2027 |
| 15BBNF26P51800001 | Accentz, Inc. REPLACEMENT OF CHILLERS AND PUMPS - FCC OAKDALE, LA. "E.O. 14398" | $1.4M | May 28, 2027 |
| 15BBNF26C10000001 | TSS-PCS LLC THE PROVISION OF ALL NECESSARY EQUIPMENT, LABOR, MATERIALS, AND INCIDENTALS TO INSTALL AND/OR REPAIR MULTIPLE FREEZER AND COOLER UNITS AT 13 INSTITUTIONS THROUGHOUT THE… | $29.9M | Nov 4, 2027 |
Common questions
Who are the top DOJ contractors for NAICS 333415?
In the latest 12 months, Four Tribes Civil Construction LLC ($57.7M), TSS-PCS LLC ($29.9M), Brothers Mechanical Services LLC ($1.8M) received the most DOJ obligations for air-conditioning and warm air heating equipment and commercial and industrial refrigeration equipment manufacturing.
How concentrated is this market?
The eight largest primes held 97.5% of positive obligations, and Four Tribes Civil Construction LLC alone held 61.0%. 32 contractors won their first obligations in this market during the latest 12 months.
Are any large DOJ NAICS 333415 contracts ending soon?
5 of the largest awards in this market reach their current end date in the next 18 months. The first is 15BBNF26C60000001 (Four Tribes Civil Construction LLC, $30.5M obligated), ending Mar 1, 2027. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 333415 across all agencies
DoD · NAICS 333415
$190.6MVA · NAICS 333415
$12.5MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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