Top DoD metal tank (heavy gauge) manufacturing contractors
In the 12 months ending Oct 5, 2026, the Department of Defense obligated $40.3M in net prime contract dollars under NAICS 332420, up 61.1% from $25.0M in the preceding 12 months. 74 prime contractors received positive obligations, and 2 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 332420
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 | Isometrics Inc | $36.1M | $13.6M | 73.3% | — |
| 2 | Scott Technologies, Inc. | $3.4M | $31K | 6.8% | ▲ 46 |
| 3 | Atlantic Diving Supply, Inc. | $2.7M | $591K | 5.4% | ▲ 1 |
| 4 | Ametek Ameron, LLC | $746K | $101K | 1.5% | ▲ 28 |
| 5 | Fourinox, Inc. | $483K | $0 | 1.0% | New |
| 6 | Crossair LLC | $458K | $0 | 0.9% | New |
| 7 | Brewfab, LLC | $450K | $0 | 0.9% | New |
| 8 | Fiba Technologies Inc | $431K | $0 | 0.9% | New |
| 9 | CP Industries Holdings, Inc | $425K | $536K | 0.9% | ▼ 2 |
| 10 | Valcorp Enterprises LLC | $402K | $305K | 0.8% | ▲ 5 |
| 11 | HRD Aero Systems, Inc. | $350K | $0 | 0.7% | New |
| 12 | Rockwell Collins, Inc. | $312K | $0 | 0.6% | New |
| 13 | FD Inc. | $277K | $292K | 0.6% | ▲ 3 |
| 14 | Save Again.com | $204K | $0 | 0.4% | New |
| 15 | Kampi Components Co Inc | $176K | $190K | 0.4% | ▲ 6 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Isometrics Inc$13.6M → $36.1M (+$22.5M) · now #1
- Scott Technologies, Inc.$31K → $3.4M (+$3.3M) · now #2
- Atlantic Diving Supply, Inc.$591K → $2.7M (+$2.1M) · now #3
Largest declines
- Kelvin International Corporation$0 → −$8.6M (−$8.6M) · no latest-period obligations
- Rgas LLC$1.1M → $0 (−$1.1M) · no latest-period obligations
- Integrated Procurement Technologies$751K → $60K (−$691K) · now #33
New to this market
28 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Crossair LLC | Jun 2, 2026 | $458K |
| Brewfab, LLC | Apr 29, 2026 | $450K |
| Fiba Technologies Inc | Apr 15, 2026 | $431K |
| HRD Aero Systems, Inc. | Feb 23, 2026 | $350K |
| Rockwell Collins, Inc. | Mar 4, 2026 | $312K |
| Save Again.com | Jun 23, 2026 | $204K |
| Energysolutions Services Inc | Jun 24, 2026 | $151K |
| LEE Industries, Inc. | Dec 1, 2025 | $128K |
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 |
|---|---|---|---|
| Department of the Army | $36.4M | $14.7M | Up $21.7M (146.9%) |
| Defense Logistics Agency | $8.2M | $7.0M | Up $1.2M (17.0%) |
| Department of the Air Force | $479K | $1.7M | Down $1.2M (71.7%) |
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 |
|---|---|---|---|
| W90VN622P0021 | FD Inc. FUEL TANK INSPECTIONS | $1.4M | Dec 31, 2026 |
| W912CH25F0217 | Isometrics Inc FOURTH YEAR ORDERING 97 HIPPO PRODUCTION UNITS | $13.6M | Feb 28, 2027 |
| W912CH26F0001 | Isometrics Inc HIPPO - FY26 DO - 17 TRANCHE & 100 SYSTEMS CR AWARD | $36.1M | Nov 30, 2027 |
Common questions
Who are the top DoD contractors for NAICS 332420?
In the latest 12 months, Isometrics Inc ($36.1M), Scott Technologies, Inc. ($3.4M), Atlantic Diving Supply, Inc. ($2.7M) received the most DoD obligations for metal tank (heavy gauge) manufacturing.
How concentrated is this market?
The eight largest primes held 90.7% of positive obligations, and Isometrics Inc alone held 73.3%. 28 contractors won their first obligations in this market during the latest 12 months.
Are any large DoD NAICS 332420 contracts ending soon?
3 of the largest awards in this market reach their current end date in the next 18 months. The first is W90VN622P0021 (FD Inc., $1.4M obligated), ending Dec 31, 2026. 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.
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