> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/sic/4924/ # SIC code 4924: Natural gas distribution The companies classified under SIC 4924, where they are based, how big they are and how the code maps to NAICS. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** SIC 4924 is the Standard Industrial Classification code for Natural gas distribution, in division E (Transportation, Communications, Electric, Gas, and Sanitary Services). The companies counted under it are mixed in size, with the middle one in the 51 to 200 range. ## What is SIC 4924? SIC 4924 is the Standard Industrial Classification code for Natural gas distribution. It sits in division E, Transportation, Communications, Electric, Gas, and Sanitary Services. The first two digits name the major group, and the last two narrow it to a single industry. Most of the companies counted also carry NAICS 221210 (66%). - 42% of the companies counted have 50 or fewer employees, and the middle one is in the 51 to 200 range. - The largest group is headquartered in the United States (66%). Within the US, Texas is the biggest state (15%). - Most were founded in the before 1960 (29%), then the 2010s (23%). **Figure: How SIC 4924 is built.** The code 4924 split into its parts: major group 49, then industry group and industry. It sits in division E, Transportation, Communications, Electric, Gas, and Sanitary Services. *The four digits of SIC 4924.* ## Which companies are classified under SIC 4924? The biggest by headcount range include Enbridge, Eversource Energy, Sempra, Oneok and Centerpoint Energy. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | [Enbridge](https://enrich.chat/company/enbridge/) | Calgary, Canada | 10,001+ | | Eversource Energy | Hartford, CT | 10,001+ | | Sempra | San Diego, CA | 10,001+ | | Oneok | Tulsa, OK | 5,001 to 10,000 | | Centerpoint Energy | Houston, TX | 5,001 to 10,000 | | Socalgas | Los Angeles, CA | 5,001 to 10,000 | | Engie Romania | Bucharest, Romania | 1,001 to 5,000 | | Southern Company Gas | Atlanta, GA | 1,001 to 5,000 | | Clean Energy | Newport Beach, CA | 1,001 to 5,000 | | Teco Energy | Tampa, FL | 1,001 to 5,000 | | National Fuel Gas | Williamsville, NY | 1,001 to 5,000 | | Enbridge Gas Distribution | Toronto, Canada | 1,001 to 5,000 | | Ugi Utilities | Denver, PA | 1,001 to 5,000 | | Peoples Gas | Chicago, IL | 1,001 to 5,000 | | New Jersey Resources | Wall Township, NJ | 1,001 to 5,000 | | Atlanta Gas Light | Atlanta, GA | 1,001 to 5,000 | | Summit Utilities | Centennial, CO | 1,001 to 5,000 | | Montana-Dakota Utilities | Bismarck, United States | 1,001 to 5,000 | | Texas Gas Service | Austin, TX | 1,001 to 5,000 | | Unoenergy | Milano, MI | 501 to 1,000 | | Tenaska | Omaha, NE | 501 to 1,000 | | Gujarat Gas | Ahmedabad, India | 501 to 1,000 | | Southern Star Central Gas Pipeline | Owensboro, KY | 501 to 1,000 | | Kleenheat | Perth, Australia | 501 to 1,000 | | Overgas | Sofia, Bulgaria | 501 to 1,000 | The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile. ## Where are SIC 4924 companies based? The largest groups are headquartered in the United States (66%), Italy (16%) and Canada (9%). **Figure: Where companies in SIC 4924 are based.** Bars for the share of counted companies in SIC 4924 headquartered in each country: United States 66%, Italy 16%, Canada 9%. *Share of counted companies in SIC 4924 by headquarters country.* Within the United States, Texas (15%), New York (12%) and California (7%) lead. **Figure: US headquarters of companies in SIC 4924, by state.** A tile map of the United States shaded by the share of counted US companies in SIC 4924 headquartered in each state. The largest are Texas 15%, New York 12%, California 7%. *Share of counted US companies in SIC 4924 by headquarters state. The three largest states are outlined.* ## How big are the companies counted for SIC 4924? 42% of them have 50 or fewer employees, and the middle one is in the 51 to 200 range. Companies with fewer than 11 employees are not counted. **Figure: Size of companies in SIC 4924.** Seven columns for the share of counted companies in SIC 4924 in each employee range: 11 to 50 42%, 51 to 200 22%, 201 to 500 9%, 501 to 1,000 7%, 1,001 to 5,000 14%, 5,001 to 10,000 3%, 10,001+ 3%. *Share of counted companies in SIC 4924 in each employee range.* ## How old are SIC 4924 companies? Most were founded in the before 1960 (29%), then the 2010s (23%). **Figure: When companies in SIC 4924 were founded.** Eight columns for the share of counted companies in SIC 4924 founded in each era: Before 1960 29%, 1960s 0%, 1970s 3%, 1980s 5%, 1990s 17%, 2000s 21%, 2010s 23%, 2020s 3%. *Share of counted companies in SIC 4924 by the era they were founded in, for the ones that list a founding year.* ## How SIC 4924 compares - 42% of companies in SIC 4924 have 50 or fewer employees, against 60% across all NAICS codes on this site. - Indiana holds 7% of the US companies here, against 2% across all NAICS codes on this site. ## SIC 4924 and the NAICS system NAICS replaced SIC as the U.S. federal standard in 1997, but the two do not line up one to one. These are the NAICS codes seen most among the companies counted under SIC 4924. | Code | Title | Share of counted | | --- | --- | --- | | NAICS 221210 | Natural Gas Distribution | 66% | | [NAICS 221122](https://enrich.chat/naics/221122/) | Electric Power Distribution | 13% | | NAICS 486210 | Pipeline Transportation of Natural Gas | 3% | | NAICS 211130 | Natural Gas Extraction | 2% | | [NAICS 238220](https://enrich.chat/naics/238220/) | Plumbing, Heating, and Air-Conditioning Contractors | 2% | | NAICS 541611 | Administrative Management and General Management Consulting Services | 2% | ## Where SIC codes come from SIC was created in the 1930s and is now historical: the U.S. government replaced it with NAICS in 1997. It is still widely used, and the SEC still assigns a SIC code to every company that files on EDGAR. The full list is in the [SIC manual](https://www.osha.gov/data/sic-manual) that OSHA hosts, and the Census Bureau's [guide to understanding NAICS](https://www.census.gov/programs-surveys/economic-census/year/2022/guidance/understanding-naics.html) explains how the two relate. ## How do you reach the people at SIC 4924 companies? The people to talk to are usually operations, IT and procurement leaders. You can build the list in three prompts to your AI agent. ### 1. Count them (free) Counting who matches never uses credits. ```text Use www.enrich.chat to count the companies with SIC code 4924 (Natural gas distribution) ``` ### 2. Find the people (5 credits per person) Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included. ```text Use www.enrich.chat to find the operations, IT and procurement leaders at companies with SIC code 4924, with their titles ``` ### 3. Get their work emails (10 credits each) An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown. ```text Use www.enrich.chat to find the work emails for these people and tell me which ones are verified ``` ## Frequently asked questions ### What is SIC code 4924? SIC 4924 is the code for Natural gas distribution, in division E (Transportation, Communications, Electric, Gas, and Sanitary Services). ### What is the NAICS code for SIC 4924 (Natural gas distribution)? 66% of the companies counted carry NAICS 221210 (Natural Gas Distribution), but the two systems do not map one to one. ### Which companies are classified under SIC 4924? The biggest by headcount range include Enbridge, Eversource Energy, Sempra, Oneok and Centerpoint Energy. The page lists 25 with links to their profiles where we have them. ### How big are the companies in SIC 4924? 42% have 50 or fewer employees, and the middle one is in the 51 to 200 range. Companies with fewer than 11 employees are not counted. ### Is SIC still used? Yes. The U.S. government replaced SIC with NAICS in 1997, but SIC codes are still common in business databases, and the SEC still uses them on EDGAR. ## Try this prompt Find the people at SIC 4924 companies ```text Use www.enrich.chat to find the operations, IT and procurement leaders at companies with SIC code 4924, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)