Top 100 Contractors in NAICS 334512: Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use, FY2025
Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Code page on GovTribe
The top 10 won 42% of FY2025 NAICS 334512 contract dollars
Ranking facts
- Contract obligations
- $55,464,928 Net of deobligations, by contracts coded NAICS 334512
- Contractors
- 379 Parent companies with an obligation
- Largest contractor
- The Prospective Group, LLC $6.32 million, 10.8% of obligations
- Data as of
Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)
Full ranking
| Rank | Contractor | Net obligations | Share | Trend |
|---|---|---|---|---|
| 1 |
The Prospective Group, LLC
Top agencies
|
$6,316,850 | ||
| 2 | $4,149,448 | |||
| 3 |
American Air Filter Company Inc.
|
$2,399,415 | ||
| 4 | $2,380,138 | |||
| 5 | $1,944,017 | |||
| 6 |
Jamaica Bearings Co., Inc.
Top agencies
|
$1,828,465 | ||
| 7 |
Alabama Controls, Inc.
Top agencies
|
$1,723,725 | ||
| 8 | $1,418,584 | |||
| 9 | $1,398,702 | |||
| 10 |
FBC Enterprises LLC
Top agencies
|
$1,206,550 | ||
| 11 |
Kampi Components Co Inc.
Top agencies
|
$1,191,494 | ||
| 12 |
MMC Metrology Lab, Inc.
Top agencies
|
$1,084,205 | ||
| 13 | $1,046,417 | |||
| 14 | $882,628 | |||
| 15 |
Transaero, Inc.
Top agencies
|
$875,894 | ||
| 16 |
Triman Industries Inc.
Top agencies
|
$744,908 | ||
| 17 | $715,094 | |||
| 18 |
Tyco Fire Products LP
|
$668,616 | ||
| 19 |
Moog Inc.
Top agencies
|
$657,052 | ||
| 20 |
ABM Industries Inc.
Top agencies
|
$646,689 | ||
| 21 | $625,791 | |||
| 22 |
Lynxspring, Inc.
Top agencies
|
$580,659 | ||
| 23 |
Ldia Holdings, LLC
Top agencies
|
$532,749 | ||
| 24 |
Sargent Aerospace & Defense, LLC
Top agencies
|
$508,545 | ||
| 25 | $497,774 | |||
| 26 |
Veracity Trading Limited
Top agencies
|
$481,289 | ||
| 27 |
LKD Aerospace, LLC
Top agencies
|
$402,900 | ||
| 28 | $397,367 | |||
| 29 |
Melton Sales & Service
Top agencies
|
$387,442 | ||
| 30 | $386,664 | |||
| 31 |
Johnson Controls Security Solutions LLC
Top agencies
|
$361,959 | ||
| 32 |
Perma-Cal Industries, Inc.
Top agencies
|
$347,409 | ||
| 33 |
S3 Aerodefense LLC
Top agencies
|
$334,361 | ||
| 34 |
RJY Group LLC
Top agencies
|
$331,873 | ||
| 35 | $291,446 | |||
| 36 |
Heico Corp
Top agencies
|
$288,299 | ||
| 37 |
FDH Electronics, LLC
Top agencies
|
$287,710 | ||
| 38 | $287,176 | |||
| 39 | $284,904 | |||
| 40 |
Chase Supply, Inc.
Top agencies
|
$283,571 | ||
| 41 | $281,885 | |||
| 42 |
Rev-Cap Company, Inc.
Top agencies
|
$279,569 | ||
| 43 | $279,022 | |||
| 44 |
Eckelmann AG
Top agencies
|
$270,213 | ||
| 45 |
Haemonetics Corporation
Top agencies
|
$269,675 | ||
| 46 |
ECI Defense Group, Inc.
Top agencies
|
$249,882 | ||
| 47 | $238,476 | |||
| 48 |
Trillamed LLC
Top agencies
|
$227,134 | ||
| 49 |
VC Displays, Inc.
Top agencies
|
$224,124 | ||
| 50 |
Westsim Engineering, Inc.
Top agencies
|
$223,961 | ||
| 51 |
Detroit Switch Inc.
Top agencies
|
$223,536 | ||
| 52 |
Siemens Industry Inc.
|
$220,207 | ||
| 53 | $217,084 | |||
| 54 | $213,548 | |||
| 55 |
Albireo Energy LLC
Top agencies
|
$209,860 | ||
| 56 | $208,227 | |||
| 57 | $206,520 | |||
| 58 |
DSI M&E Limited
Top agencies
|
$200,552 | ||
| 59 |
R O B E R T B O S C H S T I F T U N G Gesellschaft MIT Beschrankter Haftung
Top agencies
|
$199,985 | ||
| 60 |
Windward Enterprises, LLC
Top agencies
|
$199,536 | ||
| 61 | $195,283 | |||
| 62 | $186,971 | |||
| 63 | $162,331 | |||
| 64 | $161,225 | |||
| 65 |
Hydro-Aire Aerospace Corp
Top agencies
|
$157,885 | ||
| 66 |
Ems Technologies, LLC
Top agencies
|
$156,167 | ||
| 67 |
Martin Military Inc.
Top agencies
|
$149,507 | ||
| 68 |
Kessler Thermometer Corp
Top agencies
|
$145,897 | ||
| 69 | $139,804 | |||
| 70 | $139,453 | |||
| 71 |
Formica Industries LLC
Top agencies
|
$134,400 | ||
| 72 |
Janels Industries Inc.
Top agencies
|
$134,359 | ||
| 73 |
Kitco LLC
Top agencies
|
$130,220 | ||
| 74 |
Phoenix Trading Inc.
Top agencies
|
$129,161 | ||
| 75 |
Warrior Dynamics LLC
Top agencies
|
$127,943 | ||
| 76 | $126,179 | |||
| 77 | $125,068 | |||
| 78 |
ITT Inc.
Top agencies
|
$124,963 | ||
| 79 |
Howell Laboratories Inc.
Top agencies
|
$124,080 | ||
| 80 |
Sogen Company, Inc.
Top agencies
|
$123,398 | ||
| 81 |
Chand, L.L.C.
Top agencies
|
$120,085 | ||
| 82 | $117,813 | |||
| 83 |
Jgils, LLC
Top agencies
|
$116,197 | ||
| 84 | $114,339 | |||
| 85 |
ATS Automation, Inc.
Top agencies
|
$113,640 | ||
| 86 |
Govparts LLC
Top agencies
|
$113,436 | ||
| 87 |
Mason Electric Co.
Top agencies
|
$111,993 | ||
| 88 | $111,860 | |||
| 89 | $110,716 | |||
| 90 |
Soncoast Procurement, LLC
Top agencies
|
$102,397 | ||
| 91 | $100,978 | |||
| 92 | $98,497 | |||
| 93 | $98,496 | |||
| 94 |
Direct Line, Inc.
Top agencies
|
$97,990 | ||
| 95 | $95,582 | |||
| 96 |
Lake Shore Systems Inc.
Top agencies
|
$91,657 | ||
| 97 |
Thermocontrol Inc.
Top agencies
|
$89,081 | ||
| 98 |
MCO Solutions, Inc.
Top agencies
|
$88,030 | ||
| 99 |
Fuel Systems Inc.
Top agencies
|
$87,074 | ||
| 100 |
RDP Corporation
Top agencies
|
$84,520 |
Show 75 more
100 of 379 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 $58.4 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. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. 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.
- Fiscal year 2025 ran Oct 1, 2024 – Sep 30, 2025. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
- Rank changes compare with FY2024. "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. The step from FY2024 takes the color of the rank change beside it.
- 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 NAICS 334512 contractors in FY2025?
1. The Prospective Group, LLC ($6.32M), 2. Signet Technologies, Inc. ($4.15M), 3. American Air Filter Company Inc. ($2.4M), 4. Laurus Systems Inc. ($2.38M), 5. System High Corporation ($1.94M), 6. Jamaica Bearings Co., Inc. ($1.83M), 7. Alabama Controls, Inc. ($1.72M), 8. Four Winds Mechanical HTC / AC Inc. ($1.42M), 9. Utility Systems Solutions, Inc. ($1.4M), 10. FBC Enterprises LLC ($1.21M).
On GovTribe
Research every contractor on this list
- Every contract, task order and IDV they hold
- Their subsidiaries, teammates and competitors
- Open opportunities they're positioned for
- Alerts when they win new work