NAICS Code 221330: Steam and Air-Conditioning Supply
National industry
SBA small business size standard: $30 million in average annual receipts
Definition
This industry comprises establishments primarily engaged in providing steam, heated air, or cooled air. The steam distribution may be through mains.
Government contracts for this service: PSC S119 Other Utilities
Code facts
- Part of
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22
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221
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2213
- 22133
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2213
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221
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22
- Contract awards
- 35 In the last 12 months
- Contract obligations
- $52,586,589 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 221330
- Air-conditioning supply
- Cooled air distribution
- Distribution of cooled air
- Distribution of heated air
- Distribution of steam heat
- Geothermal steam production
- Heat, steam, distribution
- Heated air distribution
- Heating steam (suppliers of heat) providers
- Steam heat distribution
- Steam heating systems (i.e., suppliers of heat)
- Steam production and distribution
- Steam supply systems, including geothermal
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 | -$2,269 |
| FY2026 | $31,857,235 |
| FY2025 | $52,586,589 |
| FY2024 | $51,257,389 |
| FY2023 | $45,822,186 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Foreign Utility Consolidated Reporting | $23,317,868 | |
| 2 | Griffiss Utility Services Corporation | $1,278,576 | |
| 3 | CPF LLC | $930,679 | |
| 4 | Vicinity Energy Philadelphia Inc. | $929,658 | |
| 5 | Syracuse Energy Concessionaire LLC | $903,171 | |
| 6 | Washington Hospital Center Corporation | $804,220 | |
| 7 | NS & Associates, LLC | $793,294 | |
| 8 | Boland Trane Services Inc. | $774,704 | |
| 9 | Guy L Warden & Sons | $750,000 | |
| 10 | White Harvest Energy LLC | $458,953 |
See the full FY2025 ranking of NAICS 221330 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Army | $23,476,960 | |
| 2 | Department of Veterans Affairs | $3,824,818 | |
| 3 | Air Force | $1,287,800 | |
| 4 | Department of the Treasury | $956,864 | |
| 5 | Department of Agriculture | $949,714 | |
| 6 | General Services Administration | $793,294 | |
| 7 | Defense Logistics Agency | $301,136 | |
| 8 | Defense Finance and Accounting Service | $180,000 | |
| 9 | Department of State | $163,055 | |
| 10 | Department of Justice | $137,146 |
Top PSC codes by obligations
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | New York | $1,450,076 | |
| 2 | Maryland | $913,087 | |
| 3 | California | $799,800 | |
| 4 | Texas | $461,222 | |
| 5 | Mississippi | $403,242 | |
| 6 | Michigan | $266,526 | |
| 7 | Nebraska | $100,850 | |
| 8 | Washington | $38,717 | |
| 9 | Illinois | $32,520 | |
| 10 | Ohio | $31,456 | |
| 11 | Oklahoma | $26,362 | |
| 12 | Florida | $25,720 | |
| 13 | Georgia | $23,124 | |
| 14 | Missouri | $22,875 |
Show all 14
Shares are of everything obligated under NAICS 221330 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 394 listed here. See the rest on GovTribe.
Size standard history
Federal Register rules that named this code
Proposed size standard changes
| Proposed rule | Published | Comments |
|---|---|---|
| Small Business Size Standards: Monetary-Based Industry Size Standards | Closed Oct 21, 2025No final rule found |
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 221330?
NAICS 221330 is Steam and Air-Conditioning Supply, a national industry in NAICS 22, Utilities.
What is the NAICS code for air-conditioning supply?
The NAICS code for air-conditioning supply is 221330, Steam and Air-Conditioning Supply.
What is the NAICS code for cooled air distribution?
The NAICS code for cooled air distribution is 221330, Steam and Air-Conditioning Supply.
What is the NAICS code for heated air distribution?
The NAICS code for heated air distribution is 221330, Steam and Air-Conditioning Supply.
When did the size standard for NAICS 221330 last change?
The most recent Federal Register rule on record that names NAICS 221330 in the SBA's size standards is "Small Business Size Standards: Adjustment of Monetary-Based Size Standards, Disadvantage Thresholds, and 8(a) Eligibility Thresholds for Inflation" (87 FR 69118), published Nov 17, 2022 and effective Dec 19, 2022.
How much do federal agencies spend under NAICS 221330?
Federal contracts under NAICS 221330 obligated $52,586,589 in fiscal year 2025 and $181,521,130 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 221330?
The contractors with the most obligated under NAICS 221330 in fiscal years 2026 and 2027 are Foreign Utility Consolidated Reporting ($23,317,868), Griffiss Utility Services Corporation ($1,278,576) and CPF LLC ($930,679).
Which agencies buy the most under NAICS 221330?
The agencies that obligated the most under NAICS 221330 in fiscal years 2026 and 2027 are Department of the Army ($23,476,960), Department of Veterans Affairs ($3,824,818) and Air Force ($1,287,800).
Which PSC codes are used with NAICS 221330?
The PSC codes with the most obligated under NAICS 221330 in fiscal years 2026 and 2027 are S119 Other Utilities, Z1NB Maintenance of Heating and Cooling Plants and Z1AA Maintenance of Office Buildings.
Where is the work under NAICS 221330 performed?
By place of performance, the states with the most contract obligations under NAICS 221330 over the last 12 months are New York ($1,450,076), Maryland ($913,087) and California ($799,800).
What is the latest contract opportunity under NAICS 221330?
The latest contract opportunity under NAICS 221330 is S119--Washington DC Steam FY27, limited / sole source justification from Veterans Integrated Service Network 5 (VHA), posted October 1, 2026.
On GovTribe
See everything under NAICS 221330
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
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