Top DoD automatic environmental control manufacturing for residential, commercial, and appliance use contractors
In the 12 months ending Oct 5, 2026, the Department of Defense obligated $23.6M in net prime contract dollars under NAICS 334512, down 32.4% from $34.9M in the preceding 12 months. 257 prime contractors received positive obligations, and 43 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Defense. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
DoD publishes contract data to USAspending with a 90-day delay, so the most recent months understate DoD activity.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top DoD contractors for NAICS 334512
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 | System High Corporation | $2.1M | $1.9M | 8.6% | — |
| 2 | Transaero, Inc. | $1.4M | $876K | 5.8% | ▲ 8 |
| 3 | REV-CAP Company, Inc. | $1.1M | $280K | 4.7% | ▲ 27 |
| 4 | MMC Metrology Lab, Inc. | $1000K | $1.1M | 4.2% | ▲ 4 |
| 5 | Honeywell Building Solutions Gmbh | $910K | $626K | 3.8% | ▲ 9 |
| 6 | Windward Enterprises, LLC | $849K | $200K | 3.5% | ▲ 39 |
| 7 | Signet Technologies, Inc. | $646K | $1.1M | 2.7% | — |
| 8 | LKD Aerospace, LLC | $569K | $403K | 2.4% | ▲ 12 |
| 9 | Kampi Components Co Inc | $565K | $1.3M | 2.4% | ▼ 4 |
| 10 | Pioneer Industries, LLC | $557K | $254K | 2.3% | ▲ 22 |
| 11 | Triman Industries Inc | $532K | $745K | 2.2% | — |
| 12 | ECI Defense Group, Inc. | $525K | $252K | 2.2% | ▲ 21 |
| 13 | Daikin Applied Americas Inc | $482K | $668K | 2.0% | — |
| 14 | H C Merchandisers, Inc. | $481K | $34K | 2.0% | ▲ 118 |
| 15 | Ldia Holdings, LLC | $472K | $533K | 2.0% | ▲ 1 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- REV-CAP Company, Inc.$280K → $1.1M (+$847K) · now #3
- Windward Enterprises, LLC$200K → $849K (+$649K) · now #6
- Transaero, Inc.$876K → $1.4M (+$506K) · now #2
Largest declines
- Alabama Controls, Inc.$1.7M → $0 (−$1.7M) · no latest-period obligations
- Jamaica Bearings Co., Inc.$1.9M → $336K (−$1.5M) · now #21
- Four Winds Mechanical HTC/AC Inc.$1.4M → $66K (−$1.4M) · now #63
New to this market
47 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Pacific Scientific Company | Mar 18, 2026 | $331K |
| Aerocontrolex Group, Inc. | Mar 10, 2026 | $98K |
| Northrop Grumman Systems Corporation | Apr 29, 2026 | $91K |
| T-1 Sales & Engineering Corp | Dec 8, 2025 | $81K |
| A.G.H. Industries, LLC | Mar 30, 2026 | $65K |
| Dynalec Corporation | Oct 7, 2025 | $53K |
| 3t Business Group LLC | Apr 9, 2026 | $52K |
| Connecticut Valley Industries, LLC | Dec 5, 2025 | $46K |
Where the money comes from
Funding sub-agencies within the Department of Defense, 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 |
|---|---|---|---|
| Defense Logistics Agency | $17.6M | $21.2M | Down $3.6M (17.2%) |
| Immediate Office of the Secretary of Defense | $1.9M | $0 | New |
| Department of the Army | $1.8M | $4.1M | Down $2.3M (56.2%) |
| Department of the Air Force | $1.4M | $5.4M | Down $4.0M (74.1%) |
| Defense Health Agency | $728K | $1.3M | Down $615K (45.8%) |
| Department of the Navy | $252K | $1.2M | Down $969K (79.3%) |
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 |
|---|---|---|---|
| HQ003424F0248 | System High Corporation SECURITY SUPPORT SERVICES FOR OUSD(P): COMPREHENSIVE SECURITY SUPPORT SERVICES, INCLUDING EXPERT FUNCTIONAL, TECHNICAL, AND ADMINISTRATIVE SECURITY SUPPORT TO MANAGE AND EXECUTE… | $5.2M | Mar 26, 2027 |
| W91ZLK23P0085 | Johnson Controls Inc CALIBRATION, MAINTENANCE AND UPGRADES ON METASYS BUILDING AUTOMATION SYSTEM | $1.4M | Sep 27, 2027 |
Common questions
Who are the top DoD contractors for NAICS 334512?
In the latest 12 months, System High Corporation ($2.1M), Transaero, Inc. ($1.4M), REV-CAP Company, Inc. ($1.1M) received the most DoD obligations for automatic environmental control manufacturing for residential, commercial, and appliance use.
How concentrated is this market?
The eight largest primes held 35.7% of positive obligations, and System High Corporation alone held 8.6%. 47 contractors won their first obligations in this market during the latest 12 months.
Are any large DoD NAICS 334512 contracts ending soon?
2 of the largest awards in this market reach their current end date in the next 18 months. The first is HQ003424F0248 (System High Corporation, $5.2M obligated), ending Mar 26, 2027. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
Figures 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.
Ready to connect your pursuit work?
GovEagle gives BD directors, capture managers, and proposal teams one AI workspace from pipeline through proposal, with CMMC/FedRAMP Certified compliance built in.