Top 39 Contractors in PSC H141: Quality Control Services: Refrigeration, Air Conditioning, and Air Circulating Equipment, Jul 2025–Jun 2026
Parent companies by net contract obligations Jul 1, 2025 – Jun 30, 2026 Code page on GovTribe
The top 10 won 81% of PSC H141 contract dollars from July 2025 through June 2026
Ranking facts
- Contract obligations
- $4,228,504 Net of deobligations, by contracts coded PSC H141
- Contractors
- 41 Parent companies with an obligation
- Largest contractor
- United Paradyne Corporation $1.75 million, 33.3% of obligations
- Data as of
Contract actions from FPDS (SAM.gov). How the rankings work · Download all 39 rows as CSV
Full ranking
| Rank | Contractor | Net obligations | Share | Trend |
|---|---|---|---|---|
| 1 |
United Paradyne Corporation
Top agencies
|
$1,747,468 | ||
| 2 |
The Impact Group LLC
Top agencies
|
$868,653 | ||
| 3 |
Serene Dwelling LLC
Top agencies
|
$464,340 | ||
| 4 | $309,498 | |||
| 5 | $187,973 | |||
| 6 |
Trane U.s. Inc.
Top agencies
|
$150,052 | ||
| 7 | $145,000 | |||
| 8 | $136,964 | |||
| 9 | $118,150 | |||
| 10 |
EOI Inc.
Top agencies
|
$110,183 | ||
| 11 | $110,130 | |||
| 12 |
CD Mechanical, Inc.
Top agencies
|
$87,625 | ||
| 13 |
Class 1 Air, LLC
Top agencies
|
$66,988 | ||
| 14 |
Winergy LLC
Top agencies
|
$62,082 | ||
| 15 | $59,392 | |||
| 16 |
Johnson Controls Inc
|
$57,952 | ||
| 17 |
Frontline Support Solutions LLC
Top agencies
|
$50,090 | ||
| 18 |
Hvac Precision Services, Inc.
Top agencies
|
$41,818 | ||
| 19 |
R.l. Armacost, Inc.
Top agencies
|
$40,350 | ||
| 20 |
Airevapcool Limited
Top agencies
|
$34,600 | ||
| 21 |
Trillamed LLC
Top agencies
|
$31,741 | ||
| 22 | $30,000 | |||
| 23 |
Penn Air Control Inc.
Top agencies
|
$25,760 | ||
| 24 |
Meridian Systems Incorporated
Top agencies
|
$25,458 | ||
| 25 | $22,000 | |||
| 26 |
Multistack LLC
Top agencies
|
$19,224 | ||
| 27 |
Graco Mechanical Inc.
Top agencies
|
$18,509 | ||
| 28 | $18,100 | |||
| 29 |
Hvac Allies LLC
Top agencies
|
$17,200 | ||
| 30 |
Southland Industries
Top agencies
|
$17,052 | ||
| 31 | $14,784 | |||
| 32 |
Siemens Industry Inc.
Top agencies
|
$11,392 | ||
| 33 | $9,875 | |||
| 34 |
Tatco LLC
Top agencies
|
$7,944 | ||
| 35 | $7,908 | |||
| 36 | $7,200 | |||
| 37 |
JDI Facility Services, LLC
Top agencies
|
$4,040 | ||
| 38 | $3,100 | |||
| 39 |
Brand Construction LLC
Top agencies
|
$820 |
Show 14 more
39 of 41 contractors listed here. See the rest on GovTribe.
How this ranking works
- Source: every contract action FPDS records (as published on SAM.gov) in the period, as GovTribe received it.
- Amounts are net obligations: what was obligated, less what was deobligated. Shares are of $5.26 million obligated before deobligations, so they never pass 100%.
- Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
- Period: the trailing 12 months end with the last month that ended at least 90 days ago, because the Department of Defense reports its contract actions to FPDS about 90 days late. The list is rebuilt each night.
- Rank changes compare with Jul 2024–Jun 2025. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
- Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list.
- Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.
Quick answers
Who were the top 10 PSC H141 contractors in Jul 2025–Jun 2026?
1. United Paradyne Corporation ($1.75M), 2. The Impact Group LLC ($869K), 3. Serene Dwelling LLC ($464K), 4. Control Solutions Northwest, Inc. ($309K), 5. Air Balancing Engineers Inc. ($188K), 6. Trane U.s. Inc. ($150K), 7. Honeywell International Inc. ($145K), 8. Watertech of America Inc. ($137K), 9. Spring Fountain Studios LLC ($118K), 10. EOI Inc. ($110K).
On GovTribe
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