Top Commerce plumbing, heating, and air-conditioning contractors contractors
In the 12 months ending Oct 5, 2026, the Department of Commerce obligated $14.4M in net prime contract dollars under NAICS 238220, up 33.7% from $10.8M in the preceding 12 months. 73 prime contractors received positive obligations, and 15 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Commerce. 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 Commerce contractors for NAICS 238220
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 | J. & L. Mavilia Incorporated | $3.5M | $26K | 23.8% | ▲ 31 |
| 2 | k2 Contracting Group, LLC | $1.7M | $0 | 12.0% | New |
| 3 | Ground Level Services LLC | $818K | $76K | 5.6% | ▲ 14 |
| 4 | Compass 360 Solutions LLC | $780K | $0 | 5.4% | New |
| 5 | Front Range Construction Inc | $713K | $81K | 4.9% | ▲ 11 |
| 6 | Marrero, Couvillon & Associates, L.L.C. | $648K | $0 | 4.5% | New |
| 7 | Mission Contracting Inc | $567K | $1.4M | 3.9% | ▼ 5 |
| 8 | Capitol United Solutions Inc | $535K | $549K | 3.7% | ▼ 4 |
| 9 | Peak Facility Solutions LLC | $468K | $501K | 3.2% | ▼ 4 |
| 10 | Reagent World, Inc. | $399K | $0 | 2.7% | New |
| 11 | American Mechanical Inc | $382K | $0 | 2.6% | New |
| 12 | CJW Contractors, Inc. | $347K | $0 | 2.4% | New |
| 13 | Applied Mechanical Solutions Inc | $329K | $318K | 2.3% | ▼ 5 |
| 14 | Accord Federal Services, LLC | $288K | $0 | 2.0% | New |
| 15 | Riomar Group Ventures, Inc. | $279K | $69K | 1.9% | ▲ 4 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- J. & L. Mavilia Incorporated$26K → $3.5M (+$3.4M) · now #1
- k2 Contracting Group, LLC$0 → $1.7M (+$1.7M) · now #2
- Compass 360 Solutions LLC$0 → $780K (+$780K) · now #4
Largest declines
- Huang's Inc.$4.2M → $0 (−$4.2M) · no latest-period obligations
- ARK Construction Management LLC$990K → $0 (−$990K) · no latest-period obligations
- Mission Contracting Inc$1.4M → $567K (−$858K) · now #7
New to this market
29 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| k2 Contracting Group, LLC | Jul 23, 2026 | $1.7M |
| Compass 360 Solutions LLC | Sep 23, 2026 | $780K |
| Marrero, Couvillon & Associates, L.L.C. | Aug 29, 2026 | $648K |
| American Mechanical Inc | Jul 22, 2026 | $382K |
| CJW Contractors, Inc. | Sep 18, 2026 | $347K |
| Accord Federal Services, LLC | Sep 10, 2026 | $288K |
| All Electrical & Mechanical, LLC | Jun 24, 2026 | $217K |
| Silver National Corp. | Sep 17, 2026 | $198K |
Where the money comes from
Funding sub-agencies within the Department of Commerce, 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 |
|---|---|---|---|
| National Oceanic and Atmospheric Administration | $7.5M | $3.4M | Up $4.1M (123.1%) |
| National Institute of Standards and Technology | $6.4M | $6.8M | Down $451K (6.6%) |
| Office of the Secretary | $535K | $538K | Down $3K (0.6%) |
| National Telecommunications and Information Administration | $21K | $41K | Down $20K (48.8%) |
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 |
|---|---|---|---|
| 1305M226P0182 | k2 Contracting Group, LLC REPLACE THREE BOILERS, THREE AIR-COOLED CHILLERS, ASSOCIATED PUMP SYSTEMS, VARIABLE SPEED DRIVES (VSDS), AND A ROOFTOP HVAC UNIT SERVING THE NCCOS HML. OR-26-00249 AND… | $1.7M | Jan 14, 2027 |
| 1331L523C13OS0009 | Capitol United Solutions Inc CHILLER MAINTENANCE SUPPORT SERVICES | $2.1M | Feb 28, 2027 |
| 1333ND23CNB190031 | Mission Contracting Inc REPAIR CONDENSER WATER PUMPS | $2.4M | May 30, 2027 |
| 1333ND24CNB190018 | Peak Facility Solutions LLC B2 & B81 MECHANICAL PMS, NIST, BOULDER, CO | $1.2M | May 31, 2027 |
| 1305M323CNFFR0044 | Applied Mechanical Solutions Inc HVAC MAINTENANCE, SERVICING AND REPAIRS FOR LA JOLLA, CA. | $1.3M | Jun 25, 2027 |
| 1333ND25CNB190033 | Huang's Inc. REPLACE ACU UNITS 12, 13 AND 14 IN NIST GAITHERSBURG BUILDING 226 4CAST TRACKING NO. OU19-25-NEW-278 | $4.2M | Dec 15, 2027 |
Common questions
Who are the top Commerce contractors for NAICS 238220?
In the latest 12 months, J. & L. Mavilia Incorporated ($3.5M), k2 Contracting Group, LLC ($1.7M), Ground Level Services LLC ($818K) received the most Commerce obligations for plumbing, heating, and air-conditioning contractors.
How concentrated is this market?
The eight largest primes held 63.7% of positive obligations, and J. & L. Mavilia Incorporated alone held 23.8%. 29 contractors won their first obligations in this market during the latest 12 months.
Are any large Commerce NAICS 238220 contracts ending soon?
6 of the largest awards in this market reach their current end date in the next 18 months. The first is 1305M226P0182 (k2 Contracting Group, LLC, $1.7M obligated), ending Jan 14, 2027. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 238220 across all agencies
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$30.2MInterior · NAICS 238220
$29.9MState Department · NAICS 238220
$22.4MFigures 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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