221210 — Natural Gas Distribution
Description
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.
Exclusions & Cross-References
- Pipeline transportation of natural gas from process plants to local distribution systems--are classified in
- Industry 486210, Pipeline Transportation of Natural Gas;
- Operating liquefied natural gas (LNG) terminals without operating natural gas pipelines--are classified in
- U.S. Industry 488999, All Other Support Activities for Transportation; and
- Retailing liquefied petroleum (LP) gas via direct selling (i.e., home delivery)--are classified in Industry
- 457210, Fuel Dealers.
Overview Facts
| NAICS Code | 221210 |
|---|---|
| Industry Title | Natural Gas Distribution |
| SBA Size Standard | 1,150 employees |
| IRS PBA Code | 221210 (exact match) |
| Sectors Hierarchy | Sector 22 → 221 → 2212 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 4923 - Natural Gas Transmission and Distribution (via SIC1987:4923→NAICS1997:22121→2002:221210→2007:221210→2012:221210→2017:221210→2022:221210)
- SIC 4924 - Natural Gas Distribution (via SIC1987:4924→NAICS1997:22121→2002:221210→2007:221210→2012:221210→2017:221210→2022:221210)
- SIC 4925 - Mixed, Manufactured, or Liquefied Petroleum Gas Production and/or Distribution (via SIC1987:4925→NAICS1997:22121→2002:221210→2007:221210→2012:221210→2017:221210→2022:221210)
- SIC 4931 - Electric and Other Services Combined (via SIC1987:4931→NAICS1997:22121→2002:221210→2007:221210→2012:221210→2017:221210→2022:221210)
- SIC 4932 - Gas and Other Services Combined (via SIC1987:4932→NAICS1997:22121→2002:221210→2007:221210→2012:221210→2017:221210→2022:221210)
- SIC 4939 - Combination Utilities, NEC (via SIC1987:4939→NAICS1997:22121→2002:221210→2007:221210→2012:221210→2017:221210→2022:221210)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 221210:
- Sector 22 Directory Hub — List of related industries in the Utilities sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 2212
Frequently Asked Questions (FAQ)
Is 221210 a valid 2022 NAICS code?
NAICS 221210 is 'Natural Gas Distribution', a 2022 U.S. national industry under Sector 22 (Utilities); the SBA small-business size standard is 1,150 employees.
What is the SBA size standard for NAICS 221210?
The SBA small business size standard for NAICS 221210 is 1,150 employees (based on employees).
What is the legacy SIC code mapping for 221210?
NAICS code 221210 maps to the legacy 1987 SIC codes: 4923 - Natural Gas Transmission and Distribution, 4924 - Natural Gas Distribution, 4925 - Mixed, Manufactured, or Liquefied Petroleum Gas Production and/or Distribution, 4931 - Electric and Other Services Combined, 4932 - Gas and Other Services Combined, 4939 - Combination Utilities, NEC.