NAICS Code 22121: Natural Gas Distribution
NAICS industry
Definition
This industry comprises: (1) establishments primarily engaged in operating gas distribution systems (e.g., mains, meters); (2) establishments known as gas marketers that buy gas from the well and sell it to a distribution system; (3) establishments known as gas brokers or agents that arrange the sale of gas over gas distribution systems operated by others; and (4) establishments primarily engaged in transmitting and distributing gas to final consumers.
Government contracts for this service: PSC S111 Gas Services
Code facts
- Part of
-
-
22
-
221
- 2212
-
221
-
22
- Codes under it
- 1
- Contract awards
- 332 In the last 12 months
- Contract obligations
- $297,700,265 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 221210
- Blue gas, carbureted, production and distribution
- Coke oven gas, production and distribution
- Distribution of manufactured gas
- Distribution of natural gas
- Gas, manufactured, production and distribution
- Gas, mixed natural and manufactured, production and distribution
- Gas, natural, distribution
- Liquefied petroleum gas (LPG) distribution through mains
- Manufactured gas production and distribution
- Natural gas brokers
- Natural gas distribution systems
- Natural gas marketers
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 | $10,852,710 |
| FY2026 | $302,819,461 |
| FY2025 | $297,700,265 |
| FY2024 | $255,294,295 |
| FY2023 | $323,477,738 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Atlanta Gas Light Company | $52,115,712 | |
| 2 | Enstar Natural Gas Company, LLC | $16,785,663 | |
| 3 | Washington Gas Light Company | $16,733,013 | |
| 4 | Schuyler Line Navigation Company LLC | $16,392,562 | |
| 5 |
Tokyo Gas Co., |
$16,034,686 | |
| 6 | NRG Business Marketing LLC | $15,972,323 | |
| 7 |
Buyo Gas Co., |
$15,490,691 | |
| 8 | Eneos Corporation | $12,227,922 | |
| 9 |
Samchully Co., |
$10,489,585 | |
| 10 | Sage Energy Trading LLC | $10,319,970 |
See the full FY2025 ranking of NAICS 22121 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Army | $56,683,488 | |
| 2 | Department of Homeland Security | $51,511,638 | |
| 3 | Air Force | $47,362,204 | |
| 4 | Department of the Navy | $39,408,716 | |
| 5 | Department of Veterans Affairs | $29,829,080 | |
| 6 | Department of Health and Human Services | $25,798,568 | |
| 7 | Department of Justice | $24,196,619 | |
| 8 | National Aeronautics and Space Administration | $15,975,326 | |
| 9 | General Services Administration | $6,791,962 | |
| 10 | Department of the Interior | $4,864,476 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | S111 Gas Services | $215,436,978 | |
| 2 | 6830 Gases: Compressed and Liquefied | $68,285,258 | |
| 3 | S112 Electric Services | $19,552,547 | |
| 4 | S119 Other Utilities | $8,063,512 | |
| 5 | 9130 Liquid Propellants and Fuels, Petroleum Base | $748,176 | |
| 6 | S114 Water Services | $441,993 | |
| 7 | 9140 Fuel Oils | $343,732 | |
| 8 | 6810 Chemicals | $305,100 | |
| 9 | L017 Technical Representation Services: Aircraft Launching, Landing, and Ground Handling Equipment | $225,395 | |
| 10 | 8120 Commercial and Industrial Gas Cylinders | $130,770 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Georgia | $58,966,597 | |
| 2 | Maryland | $18,636,647 | |
| 3 | Florida | $15,933,133 | |
| 4 | Alaska | $13,374,551 | |
| 5 | Texas | $12,808,587 | |
| 6 | Kentucky | $10,048,801 | |
| 7 | California | $9,467,234 | |
| 8 | Missouri | $9,290,932 | |
| 9 | Colorado | $7,585,038 | |
| 10 | North Carolina | $7,461,284 | |
| 11 | New York | $5,301,795 | |
| 12 | Ohio | $5,129,537 | |
| 13 | Pennsylvania | $4,952,683 | |
| 14 | Virginia | $4,713,272 | |
| 15 | Arizona | $3,735,544 | |
| 16 | New Mexico | $3,206,390 | |
| 17 | Oklahoma | $2,935,851 | |
| 18 | District of Columbia | $2,284,105 | |
| 19 | South Carolina | $2,062,732 | |
| 20 | Kansas | $1,465,924 | |
| 21 | Mississippi | $1,440,141 | |
| 22 | West Virginia | $1,438,785 | |
| 23 | New Jersey | $1,336,023 | |
| 24 | North Dakota | $1,187,518 | |
| 25 | Indiana | $877,395 | |
| 26 | Massachusetts | $685,965 | |
| 27 | Washington | $669,194 | |
| 28 | Nevada | $592,414 | |
| 29 | Oregon | $579,390 | |
| 30 | Minnesota | $478,430 | |
| 31 | Montana | $453,354 | |
| 32 | Illinois | $435,724 | |
| 33 | Hawaii | $407,773 | |
| 34 | Alabama | $404,171 | |
| 35 | Louisiana | $314,682 | |
| 36 | Utah | $263,874 | |
| 37 | South Dakota | $218,495 | |
| 38 | Wisconsin | $145,823 | |
| 39 | Puerto Rico | $57,702 | |
| 40 | Idaho | $44,460 | |
| 41 | Wyoming | $32,039 | |
| 42 | Arkansas | $28,350 | |
| 43 | Maine | $26,400 | |
| 44 | Nebraska | $25,000 |
Show all 44
Shares are of everything obligated under NAICS 22121 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 1,264 listed here. See the rest on GovTribe.
Codes under 22121
| NAICS code | Size standard |
|---|---|
| 221210 Natural Gas Distribution | 1,150 employees |
Quick answers
What is NAICS 22121?
NAICS 22121 is Natural Gas Distribution, a NAICS industry in NAICS 22, Utilities.
What is the NAICS code for natural gas brokers?
The NAICS code for natural gas brokers is 221210, Natural Gas Distribution. Its SBA small business size standard is 1,150 employees.
What is the NAICS code for distribution of natural gas?
The NAICS code for distribution of natural gas is 221210, Natural Gas Distribution. Its SBA small business size standard is 1,150 employees.
What is the NAICS code for manufactured gas production and distribution?
The NAICS code for manufactured gas production and distribution is 221210, Natural Gas Distribution. Its SBA small business size standard is 1,150 employees.
What codes are under NAICS 22121?
NAICS 22121 has one code under it with its own GovTribe page, 221210 Natural Gas Distribution.
How much do federal agencies spend under NAICS 22121?
Federal contracts under NAICS 22121 obligated $297,700,265 in fiscal year 2025 and $1,190,144,469 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 22121?
The contractors with the most obligated under NAICS 22121 in fiscal years 2026 and 2027 are Atlanta Gas Light Company ($52,115,712); Enstar Natural Gas Company, LLC ($16,785,663); and Washington Gas Light Company ($16,733,013).
Which agencies buy the most under NAICS 22121?
The agencies that obligated the most under NAICS 22121 in fiscal years 2026 and 2027 are Department of the Army ($56,683,488), Department of Homeland Security ($51,511,638) and Air Force ($47,362,204).
Which PSC codes are used with NAICS 22121?
The PSC codes with the most obligated under NAICS 22121 in fiscal years 2026 and 2027 are S111 Gas Services, 6830 Gases: Compressed and Liquefied and S112 Electric Services.
Where is the work under NAICS 22121 performed?
By place of performance, the states with the most contract obligations under NAICS 22121 over the last 12 months are Georgia ($58,966,597), Maryland ($18,636,647) and Florida ($15,933,133).
What is the latest contract opportunity under NAICS 22121?
The latest contract opportunity under NAICS 22121 is Holloman AFB Propane Delivery, solicitation from Air Combat Command (USAF), posted October 26, 2026.
On GovTribe
See everything under NAICS 22121
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