> 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/naics/221118/ # NAICS code 221118: Other Electric Power Generation The companies classified under NAICS 221118, where they are based, how big they are and how the code maps to SIC. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** NAICS 221118 is the code for Other Electric Power Generation, in sector 22: Utilities. The companies counted under it are mostly small: 68% have 200 or fewer employees, and 65% are headquartered in the United States. ## What is NAICS 221118? NAICS 221118 is the code for Other Electric Power Generation. It belongs to sector 22: Utilities. NAICS, the North American Industry Classification System, is the standard U.S. government agencies use to sort businesses by what they mainly do, and each digit narrows the category. Most of the companies counted also carry SIC 4911, Electric services, in the older SIC system (92%). NAICS is a North American system, so companies outside the US, Canada and Mexico are placed in it by classification. - 43% 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 (65%). Within the US, Texas is the biggest state (19%). - Most were founded in the 2010s (43%), then the 2000s (23%). **Figure: How NAICS 221118 is built.** The code 221118 split into its parts: sector 22, then subsector, industry group, NAICS industry and U.S. industry. *The six digits of NAICS 221118. Each digit narrows the category.* ## Which companies are classified under NAICS 221118? The biggest by headcount range include NTPC, Dominion Energy, Nextera Energy Resources, Exelon and EnBW Energie Baden-Württemberg. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | [NTPC](https://enrich.chat/company/ntpc/) | New Delhi, India | 10,001+ | | [Dominion Energy](https://enrich.chat/company/dominion-energy/) | Richmond, VA | 10,001+ | | Nextera Energy Resources | Juno Beach, FL | 10,001+ | | [Exelon](https://enrich.chat/company/exelon/) | Chicago, IL | 10,001+ | | [DTE Energy](https://enrich.chat/company/dte-energy/) | Detroit, MI | 10,001+ | | Edison International | Rosemead, CA | 10,001+ | | Centuri Group | Phoenix, AZ | 10,001+ | | Westinghouse Electric | Cranberry Township, PA | 5,001 to 10,000 | | The Aes | Arlington, VA | 5,001 to 10,000 | | Comed | Chicago, IL | 5,001 to 10,000 | | Bhi Energy | Weymouth, MA | 5,001 to 10,000 | | Wec Energy Group | Milwaukee, WI | 5,001 to 10,000 | | Evn | Maria Enzersdorf, Austria | 5,001 to 10,000 | | Dynegy | Irving, TX | 5,001 to 10,000 | | [JSW Steel](https://enrich.chat/company/jsw-steel/) | Mumbai, India | 1,001 to 5,000 | | Voltalia | Paris, France | 1,001 to 5,000 | | Bc Hydro | Vancouver, Canada | 1,001 to 5,000 | | Bruce Power | Tiverton, Canada | 1,001 to 5,000 | | Enel Chile | Las Condes Santiago, Chile | 1,001 to 5,000 | | Fortisbc | Surrey, Canada | 1,001 to 5,000 | | Western Power | Perth, Australia | 1,001 to 5,000 | | Ausgrid | Haymarket, Australia | 1,001 to 5,000 | | Enmax | Calgary, Canada | 1,001 to 5,000 | | Calpine | Houston, TX | 1,001 to 5,000 | | Enel North America | Andover, MA | 1,001 to 5,000 | 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 NAICS 221118 companies based? The largest groups are headquartered in the United States (65%), Australia (4%) and Canada (4%). **Figure: Where companies in NAICS 221118 are based.** Bars for the share of counted companies in NAICS 221118 headquartered in each country: United States 65%, Australia 4%, Canada 4%, Germany 4%, India 3%, United Kingdom 2%, France 2%, Finland 2%. *Share of counted companies in NAICS 221118 by headquarters country.* Within the United States, Texas (19%), California (11%) and Florida (7%) lead. **Figure: US headquarters of companies in NAICS 221118, by state.** A tile map of the United States shaded by the share of counted US companies in NAICS 221118 headquartered in each state. The largest are Texas 19%, California 11%, Florida 7%. *Share of counted US companies in NAICS 221118 by headquarters state. The three largest states are outlined.* ## How big are the companies counted for NAICS 221118? 43% 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 NAICS 221118.** Seven columns for the share of counted companies in NAICS 221118 in each employee range: 11 to 50 43%, 51 to 200 25%, 201 to 500 12%, 501 to 1,000 6%, 1,001 to 5,000 9%, 5,001 to 10,000 2%, 10,001+ 2%. *Share of counted companies in NAICS 221118 in each employee range.* ## How old are NAICS 221118 companies? Most were founded in the 2010s (43%), then the 2000s (23%). **Figure: When companies in NAICS 221118 were founded.** Eight columns for the share of counted companies in NAICS 221118 founded in each era: Before 1960 10%, 1960s 1%, 1970s 2%, 1980s 4%, 1990s 11%, 2000s 23%, 2010s 43%, 2020s 6%. *Share of counted companies in NAICS 221118 by the era they were founded in, for the ones that list a founding year.* ## How NAICS 221118 compares - 43% of companies in NAICS 221118 have 50 or fewer employees, against 60% across all NAICS codes on this site. - 49% were founded in 2010 or later, against 30% across all NAICS codes on this site. - Texas holds 19% of the US companies here, against 8% across all NAICS codes on this site. ## How do NAICS 221118 companies describe themselves? A code is assigned by classification, and a company does not choose its own, so the label a company uses for itself can differ. The most common labels here are Utilities (36%), Construction (14%) and Oil and Gas (14%). **Figure: How companies in NAICS 221118 describe themselves.** Bars for the share of counted companies in NAICS 221118 that give each industry on their public profile: Utilities 36%, Construction 14%, Oil and Gas 14%, Renewable Energy Semiconductor Manufacturing 12%, Renewable Energy Power Generation 7%, Renewables and Environment 6%. *Share of counted companies in NAICS 221118 by the industry they list on their public profile.* ## NAICS 221118 and the SIC system NAICS replaced SIC in 1997, but the two do not line up one to one: companies filed under one NAICS code can carry several SIC codes. These are the ones seen most. | Code | Title | Share of counted | | --- | --- | --- | | SIC 4911 | Electric services | 92% | | SIC 4931 | Electric and other services combined | 4% | ## Where NAICS codes come from NAICS is maintained by the U.S. Census Bureau with Canada and Mexico and revised every five years; the current edition is NAICS 2022. To check exactly what a code includes, search the [official NAICS index](https://www.census.gov/naics/) or read the Census Bureau's [guide to understanding NAICS](https://www.census.gov/programs-surveys/economic-census/year/2022/guidance/understanding-naics.html). Pick a code by what a company mostly does, not by who it sells to. ## How do you reach the people at NAICS 221118 companies? The people to talk to are usually operations, procurement and IT leaders. You can build the list from this code 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 NAICS code 221118 (Other Electric Power Generation) ``` ### 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, procurement and IT leaders at companies with NAICS code 221118, 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 ``` ## More to explore Codes next to it: [NAICS 221122: Electric Power Distribution](https://enrich.chat/naics/221122/) Others in sector 22: [NAICS 221310: Water Supply and Irrigation Systems](https://enrich.chat/naics/221310/) ## Frequently asked questions ### What is NAICS code 221118? NAICS 221118 is the code for Other Electric Power Generation, in sector 22: Utilities. ### What is the SIC code for NAICS 221118 (Other Electric Power Generation)? 92% of the companies counted carry SIC 4911 (Electric services), but the two systems do not map one to one. ### Which companies are classified under NAICS 221118? The biggest by headcount range include NTPC, Dominion Energy, Nextera Energy Resources, Exelon and EnBW Energie Baden-Württemberg. The page lists 25 with links to their profiles where we have them. ### Where are NAICS 221118 companies based? The largest groups are headquartered in the United States (65%), Australia (4%) and Canada (4%). ### How big are the companies in NAICS 221118? 43% 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 NAICS 221118 the same as a SIC code? No. NAICS replaced SIC as the U.S. federal standard in 1997, and the two do not map one to one. The SIC code seen most among these companies is 4911. ## Try this prompt Find the people at NAICS 221118 companies ```text Use www.enrich.chat to find the operations, procurement and IT leaders at companies with NAICS code 221118, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 221122](https://enrich.chat/naics/221122/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)