NAICS Code 33241: Power Boiler and Heat Exchanger Manufacturing
NAICS industry
Definition
This industry comprises establishments primarily engaged in manufacturing power boilers and heat exchangers. Establishments in this industry may perform installation in addition to manufacturing power boilers and heat exchangers.
Government contracts for this product: PSC 1905 Combat Ships and Landing Vessels
Code facts
- Part of
-
-
31-33
-
332
- 3324
-
332
-
31-33
- Codes under it
- 1
- Contract awards
- 269 In the last 12 months
- Contract obligations
- $2,192,673,403 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Business activities under NAICS 332410
- Aftercoolers (i.e., heat exchangers) manufacturing
- Barometric condensers manufacturing
- Boiler casings manufacturing
- Boilers, power, manufacturing
- Condenser boxes, metal, manufacturing
- Condensers, steam, manufacturing
- Economizers (i.e., power boiler accessory) manufacturing
- Exchangers, heat, manufacturing
- Heat exchangers manufacturing
- Intercooler shells manufacturing
- Marine power boilers manufacturing
- Nuclear reactor steam supply systems manufacturing
- Nuclear reactors control rod drive mechanisms manufacturing
- Nuclear reactors manufacturing
- Power boilers manufacturing
- Reactors, nuclear, manufacturing
- Stationary power boilers manufacturing
- Steam condensers manufacturing
Looking for another activity? Search the NAICS code lookup or browse business activities from A to Z.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $649,022 |
| FY2026 | $2,201,966,365 |
| FY2025 | $2,192,673,403 |
| FY2024 | $2,215,536,033 |
| FY2023 | $1,462,569,457 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Bechtel Plant Machinery, Inc. | $2,165,620,737 | |
| 2 | Huntington Ingalls Inc. | $9,660,365 | |
| 3 | Aqua-Chem, Inc. | $7,116,238 | |
| 4 | ECI Defense Group, Inc. | $2,719,169 | |
| 5 | Jgils, LLC | $1,977,727 | |
| 6 | H C Merchandisers, Inc. | $1,340,801 | |
| 7 | S I T Corporation | $975,873 | |
| 8 | Argo Turboserve Corporation | $907,494 | |
| 9 | Kampi Components Co Inc. | $795,731 | |
| 10 | Sogen Company, Inc. | $766,233 |
See the full FY2025 ranking of NAICS 33241 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $2,182,084,846 | |
| 2 | Defense Logistics Agency | $16,469,989 | |
| 3 | Department of the Army | $1,329,452 | |
| 4 | Department of the Interior | $909,241 | |
| 5 | Department of Justice | $823,893 | |
| 6 | Department of Veterans Affairs | $682,297 | |
| 7 | Department of Homeland Security | $160,835 | |
| 8 | Department of State | $152,924 | |
| 9 | Department of the Treasury | $97,390 | |
| 10 | Department of Health and Human Services | $61,103 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 1905 Combat Ships and Landing Vessels | $2,165,620,737 | |
| 2 | 4420 Heat Exchangers and Steam Condensers | $22,780,103 | |
| 3 | 4470 Nuclear Reactors | $9,660,365 | |
| 4 | 4410 Industrial Boilers | $1,933,018 | |
| 5 | J041 Maintenance, Repair and Rebuilding of Equipment: Refrigeration, Air Conditioning, and Air Circulating Equipment | $350,902 | |
| 6 | J020 Maintenance, Repair and Rebuilding of Equipment: Ship and Marine Equipment | $295,253 | |
| 7 | J029 Maintenance, Repair and Rebuilding of Equipment: Engine Accessories | $270,360 | |
| 8 | J065 Maintenance, Repair and Rebuilding of Equipment: Medical, Dental, and Veterinary Equipment and Supplies | $249,950 | |
| 9 | N044 Installation of Equipment: Furnace, Steam Plant, and Drying Equipment; and Nuclear Reactors | $232,853 | |
| 10 |
X1NB Lease/ |
$206,431 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Pennsylvania | $2,167,862,466 | |
| 2 | Virginia | $11,820,315 | |
| 3 | Tennessee | $7,120,882 | |
| 4 | California | $2,764,498 | |
| 5 | Georgia | $2,540,975 | |
| 6 | Louisiana | $2,243,081 | |
| 7 | New York | $1,584,599 | |
| 8 | Florida | $1,052,725 | |
| 9 | Texas | $742,758 | |
| 10 | Maryland | $707,050 | |
| 11 | Mississippi | $600,978 | |
| 12 | New Jersey | $545,958 | |
| 13 | Oklahoma | $354,698 | |
| 14 | Ohio | $294,671 | |
| 15 | Massachusetts | $275,205 | |
| 16 | Indiana | $192,642 | |
| 17 | South Carolina | $105,229 | |
| 18 | Washington | $67,632 | |
| 19 | Illinois | $53,040 | |
| 20 | Missouri | $39,207 | |
| 21 | Minnesota | $33,934 | |
| 22 | District of Columbia | $26,173 | |
| 23 | Alabama | $21,726 | |
| 24 | Connecticut | $17,252 | |
| 25 | Arizona | $13,353 | |
| 26 | Rhode Island | $11,533 | |
| 27 | Wisconsin | $6,984 | |
| 28 | Wyoming | $5,292 | |
| 29 | Iowa | $3,872 | |
| 30 | Montana | $179 |
Show all 30
Shares are of everything obligated under NAICS 33241 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 4,526 listed here. See the rest on GovTribe.
Codes under 33241
| NAICS code | Size standard |
|---|---|
| 332410 Power Boiler and Heat Exchanger Manufacturing | 750 employees |
Quick answers
What is NAICS 33241?
NAICS 33241 is Power Boiler and Heat Exchanger Manufacturing, a NAICS industry in NAICS 31-33, Manufacturing.
What is the NAICS code for power boilers manufacturing?
The NAICS code for power boilers manufacturing is 332410, Power Boiler and Heat Exchanger Manufacturing. Its SBA small business size standard is 750 employees.
What is the NAICS code for boiler casings manufacturing?
The NAICS code for boiler casings manufacturing is 332410, Power Boiler and Heat Exchanger Manufacturing. Its SBA small business size standard is 750 employees.
What is the NAICS code for heat exchangers manufacturing?
The NAICS code for heat exchangers manufacturing is 332410, Power Boiler and Heat Exchanger Manufacturing. Its SBA small business size standard is 750 employees.
What codes are under NAICS 33241?
NAICS 33241 has one code under it with its own GovTribe page, 332410 Power Boiler and Heat Exchanger Manufacturing.
How much do federal agencies spend under NAICS 33241?
Federal contracts under NAICS 33241 obligated $2,192,673,403 in fiscal year 2025 and $8,073,394,281 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 33241?
The contractors with the most obligated under NAICS 33241 in fiscal years 2026 and 2027 are Bechtel Plant Machinery, Inc. ($2,165,620,737); Huntington Ingalls Inc. ($9,660,365); and Aqua-Chem, Inc. ($7,116,238).
Which agencies buy the most under NAICS 33241?
The agencies that obligated the most under NAICS 33241 in fiscal years 2026 and 2027 are Department of the Navy ($2,182,084,846), Defense Logistics Agency ($16,469,989) and Department of the Army ($1,329,452).
Which PSC codes are used with NAICS 33241?
The PSC codes with the most obligated under NAICS 33241 in fiscal years 2026 and 2027 are 1905 Combat Ships and Landing Vessels, 4420 Heat Exchangers and Steam Condensers and 4470 Nuclear Reactors.
Where is the work under NAICS 33241 performed?
By place of performance, the states with the most contract obligations under NAICS 33241 over the last 12 months are Pennsylvania ($2,167,862,466), Virginia ($11,820,315) and Tennessee ($7,120,882).
What is the latest contract opportunity under NAICS 33241?
The latest contract opportunity under NAICS 33241 is Cooler, fluid, industria, solicitation from Construction and Equipment (DLA), posted November 11, 2026.
On GovTribe
See everything under NAICS 33241
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
- Contacts who buy under this code
- Ask GovTribe AI about this code