> 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/9111/ # SIC code 9111: Executive office The companies classified under SIC 9111, 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 9111 is the Standard Industrial Classification code for Executive office, in division J (Public Administration). The companies counted under it are mixed in size, with the middle one in the 51 to 200 range. ## What is SIC 9111? SIC 9111 is the Standard Industrial Classification code for Executive office. It sits in division J, Public Administration. 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 921110 (100%). - 24% 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 (94%). Within the US, California is the biggest state (16%). - Most were founded in the before 1960 (81%), then the 1960s (7%). **Figure: How SIC 9111 is built.** The code 9111 split into its parts: major group 91, then industry group and industry. It sits in division J, Public Administration. *The four digits of SIC 9111.* ## Which companies are classified under SIC 9111? The biggest by headcount range include State of Michigan, City of Houston, State Of Florida, City Of Detroit and City Of Chicago. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | [State of Michigan](https://enrich.chat/company/state-of-michigan/) | Lansing, MI | 10,001+ | | [City of Houston](https://enrich.chat/company/city-of-houston/) | Houston, TX | 10,001+ | | City Of Detroit | Detroit, MI | 10,001+ | | City Of Chicago | Chicago, IL | 10,001+ | | [City of Dallas](https://enrich.chat/company/city-of-dallas/) | Dallas, TX | 10,001+ | | City Of Phoenix | Phoenix, AZ | 10,001+ | | [State of Oregon](https://enrich.chat/company/state-of-oregon/) | Salem, OR | 10,001+ | | [Miami-Dade County](https://enrich.chat/company/miami-dade-county/) | Miami, FL | 10,001+ | | State Of Connecticut | Hartford, CT | 10,001+ | | [State of Utah](https://enrich.chat/company/state-of-utah/) | Taylorsville, UT | 10,001+ | | State Of Maine | Augusta, ME | 10,001+ | | State Of Nebraska | Lincoln, NE | 10,001+ | | Hennepin County | Minneapolis, MN | 5,001 to 10,000 | | City Of Cincinnati | Cincinnati, OH | 5,001 to 10,000 | | Municipalidad De Vicente Lopez | Vicente Lopez, Argentina | 5,001 to 10,000 | | State Of Vermont | Montpelier, VT | 5,001 to 10,000 | | City And County Of Honolulu | Honolulu, HI | 5,001 to 10,000 | | Landeshauptstadt Kiel | Kiel, Germany | 5,001 to 10,000 | | State Of Wyoming | Cheyenne, WY | 5,001 to 10,000 | | Gobierno Del Estado De Aguascalientes | Aguascalientes, Mexico | 5,001 to 10,000 | | City Of Las Vegas | Las Vegas, NV | 1,001 to 5,000 | | City Of Miami | Miami, FL | 1,001 to 5,000 | | City Of Scottsdale | Scottsdale, AZ | 1,001 to 5,000 | | City Of Plano | Plano, TX | 1,001 to 5,000 | | City Of Oakland | Oakland, CA | 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 SIC 9111 companies based? Within the United States, California (16%), Texas (8%) and Illinois (7%) lead. **Figure: US headquarters of companies in SIC 9111, by state.** A tile map of the United States shaded by the share of counted US companies in SIC 9111 headquartered in each state. The largest are California 16%, Texas 8%, Illinois 7%. *Share of counted US companies in SIC 9111 by headquarters state. The three largest states are outlined.* ## How big are the companies counted for SIC 9111? 24% 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 9111.** Seven columns for the share of counted companies in SIC 9111 in each employee range: 11 to 50 24%, 51 to 200 35%, 201 to 500 20%, 501 to 1,000 12%, 1,001 to 5,000 7%, 5,001 to 10,000 1%, 10,001+ 2%. *Share of counted companies in SIC 9111 in each employee range.* ## How old are SIC 9111 companies? Most were founded in the before 1960 (81%), then the 1960s (7%). **Figure: When companies in SIC 9111 were founded.** Eight columns for the share of counted companies in SIC 9111 founded in each era: Before 1960 81%, 1960s 7%, 1970s 3%, 1980s 3%, 1990s 2%, 2000s 2%, 2010s 1%, 2020s 0%. *Share of counted companies in SIC 9111 by the era they were founded in, for the ones that list a founding year.* ## How SIC 9111 compares - 24% of companies in SIC 9111 have 50 or fewer employees, against 60% across all NAICS codes on this site. - 1% were founded in 2010 or later, against 30% across all NAICS codes on this site. - Illinois holds 7% of the US companies here, against 4% across all NAICS codes on this site. ## SIC 9111 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 9111. | Code | Title | Share of counted | | --- | --- | --- | | NAICS 921110 | Executive Offices | 100% | ## 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 9111 companies? The people to talk to are usually IT, procurement and operations 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 9111 (Executive office) ``` ### 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 IT, procurement and operations leaders at companies with SIC code 9111, 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 Other SIC codes in major group 91: [SIC 9121: Legislative body](https://enrich.chat/sic/9121/) ## Frequently asked questions ### What is SIC code 9111? SIC 9111 is the code for Executive office, in division J (Public Administration). ### What is the NAICS code for SIC 9111 (Executive office)? 100% of the companies counted carry NAICS 921110 (Executive Offices), but the two systems do not map one to one. ### Which companies are classified under SIC 9111? The biggest by headcount range include State of Michigan, City of Houston, State Of Florida, City Of Detroit and City Of Chicago. The page lists 25 with links to their profiles where we have them. ### How big are the companies in SIC 9111? 24% 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 9111 companies ```text Use www.enrich.chat to find the IT, procurement and operations leaders at companies with SIC code 9111, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [SIC 9121](https://enrich.chat/sic/9121/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)