NAICS Code 333414: Heating Equipment (except Warm Air Furnaces) Manufacturing
National industry
SBA small business size standard: 500 employees
Definition
This U.S. industry comprises establishments primarily engaged in manufacturing heating equipment (except electric and warm air furnaces), such as heating boilers, heating stoves, floor and wall furnaces, and wall and baseboard heating units.
Government contracts for this product: PSC 4520 Space and Water Heating Equipment
Code facts
- Part of
-
-
31-33
-
333
-
3334
- 33341
-
3334
-
333
-
31-33
- Contract awards
- 730 In the last 12 months
- Contract obligations
- $30,686,036 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 333414
- Baseboard heating equipment manufacturing
- Boilers, heating, manufacturing
- Burners, heating, manufacturing
- Fireplace inserts (i.e., heat directing) manufacturing
- Furnaces (except forced air), heating, manufacturing
- Furnaces, floor and wall, manufacturing
- Gas burners, heating, manufacturing
- Gas fireplaces manufacturing
- Gas space heaters manufacturing
- Gas-oil burners, combination, manufacturing
- Heaters, space (except portable electric), manufacturing
- Heaters, swimming pool, manufacturing
- Heating equipment, hot water (except hot water heaters), manufacturing
- Heating units, baseboard, manufacturing
- Hydronic heating equipment manufacturing
- Kerosene space heaters manufacturing
- Logs, gas fireplace, manufacturing
- Oil burners, heating, manufacturing
- Radiators (except motor vehicle, portable electric) manufacturing
- Room heaters (except portable electric) manufacturing
- Solar energy heating equipment manufacturing
- Solar heating systems manufacturing
- Space heaters (except portable electric) manufacturing
- Steam heating equipment manufacturing
- Swimming pool heaters manufacturing
- Unit heaters (except portable electric) manufacturing
- Wood stoves 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 | $344,433 |
| FY2026 | $28,548,849 |
| FY2025 | $30,686,036 |
| FY2024 | $20,691,416 |
| FY2023 | $93,203,626 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Pioneer Industries, LLC | $2,774,454 | |
| 2 | The Electric Heater Co | $1,589,092 | |
| 3 | ECI Defense Group, Inc. | $1,385,198 | |
| 4 | Argo Turboserve Corporation | $1,371,885 | |
| 5 | Kampi Components Co Inc. | $1,249,811 | |
| 6 | MCO Solutions, Inc. | $1,139,855 | |
| 7 | Windward Enterprises, LLC | $1,029,751 | |
| 8 | The L.c.doane Company | $1,007,977 | |
| 9 | Lockheed Martin Corporation | $901,202 | |
| 10 | LCF Systems, Inc. | $887,468 |
See the full FY2025 ranking of NAICS 333414 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Defense Logistics Agency | $21,870,505 | |
| 2 | Department of the Navy | $2,450,439 | |
| 3 | Department of Homeland Security | $1,163,792 | |
| 4 | Department of Justice | $1,037,243 | |
| 5 | Department of State | $961,930 | |
| 6 | Department of Veterans Affairs | $762,086 | |
| 7 | Air Force | $277,768 | |
| 8 | Department of the Interior | $142,678 | |
| 9 | Department of the Army | $130,711 | |
| 10 | Department of Agriculture | $96,131 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 4520 Space and Water Heating Equipment | $10,823,033 | |
| 2 | 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment | $5,266,979 | |
| 3 | 4140 Fans, Air Circulators, and Blower Equipment | $4,684,910 | |
| 4 | 6210 Indoor and Outdoor Electric Lighting Fixtures | $1,549,632 | |
| 5 | 4410 Industrial Boilers | $1,109,279 | |
| 6 | 3590 Miscellaneous Service and Trade Equipment | $952,931 | |
| 7 | 4540 Waste Disposal Equipment | $792,058 | |
| 8 | 4420 Heat Exchangers and Steam Condensers | $473,226 | |
| 9 | 4530 Fuel Burning Equipment Units | $467,628 | |
| 10 | 4120 Air Conditioning Equipment | $453,081 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | New York | $3,634,369 | |
| 2 | Ohio | $2,661,980 | |
| 3 | Connecticut | $2,659,128 | |
| 4 | Virginia | $1,787,944 | |
| 5 | Georgia | $1,744,753 | |
| 6 | Texas | $1,681,586 | |
| 7 | Florida | $1,521,799 | |
| 8 | Arizona | $1,223,720 | |
| 9 | California | $1,201,771 | |
| 10 | Pennsylvania | $1,161,883 | |
| 11 | South Carolina | $1,060,318 | |
| 12 | Maryland | $811,959 | |
| 13 | Arkansas | $675,187 | |
| 14 | Michigan | $661,796 | |
| 15 | Oklahoma | $560,744 | |
| 16 | Wisconsin | $335,603 | |
| 17 | New Jersey | $302,611 | |
| 18 | Washington | $262,890 | |
| 19 | Kentucky | $167,460 | |
| 20 | Tennessee | $136,078 | |
| 21 | Louisiana | $129,298 | |
| 22 | Missouri | $124,439 | |
| 23 | Indiana | $102,559 | |
| 24 | Alaska | $68,624 | |
| 25 | Utah | $64,539 | |
| 26 | Rhode Island | $60,629 | |
| 27 | Alabama | $55,713 | |
| 28 | Nevada | $46,130 | |
| 29 | New Mexico | $45,262 | |
| 30 | Mississippi | $44,882 | |
| 31 | Iowa | $36,816 | |
| 32 | Montana | $32,553 | |
| 33 | New Hampshire | $27,400 | |
| 34 | Nebraska | $27,231 | |
| 35 | Kansas | $18,750 | |
| 36 | Minnesota | $18,640 | |
| 37 | West Virginia | $9,703 | |
| 38 | Vermont | $7,968 | |
| 39 | Oregon | $4,463 | |
| 40 | Massachusetts | $2,017 |
Show all 40
Shares are of everything obligated under NAICS 333414 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 4,917 listed here. See the rest on GovTribe.
Size standard history
Federal Register rules that named this code
From the NAICS codes each rule's amendments to 13 CFR 121.201 name. Rules that print their size standard tables as images aren't listed.
Quick answers
What is NAICS 333414?
NAICS 333414 is Heating Equipment (except Warm Air Furnaces) Manufacturing, a national industry in NAICS 31-33, Manufacturing.
What is the NAICS code for wood stoves manufacturing?
The NAICS code for wood stoves manufacturing is 333414, Heating Equipment (except Warm Air Furnaces) Manufacturing.
What is the NAICS code for gas fireplaces manufacturing?
The NAICS code for gas fireplaces manufacturing is 333414, Heating Equipment (except Warm Air Furnaces) Manufacturing.
What is the NAICS code for solar heating systems manufacturing?
The NAICS code for solar heating systems manufacturing is 333414, Heating Equipment (except Warm Air Furnaces) Manufacturing.
When did the size standard for NAICS 333414 last change?
The most recent Federal Register rule on record that names NAICS 333414 in the SBA's size standards is "Small Business Size Standards; Adoption of Size Standards by 2002 North American Industry Classification System for Size Standards" (67 FR 56905), published Sep 6, 2002 and effective Oct 1, 2002.
How much do federal agencies spend under NAICS 333414?
Federal contracts under NAICS 333414 obligated $30,686,036 in fiscal year 2025 and $173,474,361 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 333414?
The contractors with the most obligated under NAICS 333414 in fiscal years 2026 and 2027 are Pioneer Industries, LLC ($2,774,454); The Electric Heater Co ($1,589,092); and ECI Defense Group, Inc. ($1,385,198).
Which agencies buy the most under NAICS 333414?
The agencies that obligated the most under NAICS 333414 in fiscal years 2026 and 2027 are Defense Logistics Agency ($21,870,505), Department of the Navy ($2,450,439) and Department of Homeland Security ($1,163,792).
Which PSC codes are used with NAICS 333414?
The PSC codes with the most obligated under NAICS 333414 in fiscal years 2026 and 2027 are 4520 Space and Water Heating Equipment; 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment; and 4140 Fans, Air Circulators, and Blower Equipment.
Where is the work under NAICS 333414 performed?
By place of performance, the states with the most contract obligations under NAICS 333414 over the last 12 months are New York ($3,634,369), Ohio ($2,661,980) and Connecticut ($2,659,128).
What is the latest contract opportunity under NAICS 333414?
The latest contract opportunity under NAICS 333414 is Heater, water, electric, award notice from Construction and Equipment (DLA), posted October 29, 2026.
On GovTribe
See everything under NAICS 333414
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