> 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/8399/ # SIC code 8399: Social services The companies classified under SIC 8399, 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 8399 is the Standard Industrial Classification code for Social services, in division I (Services). The companies counted under it are mostly very small: 62% have 50 or fewer employees. ## What is SIC 8399? SIC 8399 is the Standard Industrial Classification code for Social services. It sits in division I, 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 813319 (82%). - 62% of the companies counted have 50 or fewer employees, and the middle one is in the 11 to 50 range. - The largest group is headquartered in the United States (84%). Within the US, California is the biggest state (14%). - Most were founded in the 2010s (22%), then the 1990s (17%). **Figure: How SIC 8399 is built.** The code 8399 split into its parts: major group 83, then industry group and industry. It sits in division I, Services. *The four digits of SIC 8399.* ## Which companies are classified under SIC 8399? The biggest by headcount range include City of Hope, Sos Children's Villages International, Opportunity International, Hand In Hand India and Aarp. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | [City of Hope](https://enrich.chat/company/city-of-hope/) | Duarte, CA | 10,001+ | | Opportunity International | Chicago, IL | 10,001+ | | Hand In Hand India | Chennai, India | 5,001 to 10,000 | | Aarp | Washington, DC | 1,001 to 5,000 | | Caw Groep | Antwerpen, Belgium | 1,001 to 5,000 | | Alameda Health System | Oakland, CA | 1,001 to 5,000 | | World Vision India | Chennai, India | 1,001 to 5,000 | | Each | Ringwood, Australia | 1,001 to 5,000 | | Montage Health | Monterey, CA | 1,001 to 5,000 | | Inbloom Autism Services | Fort Lauderdale, FL | 1,001 to 5,000 | | Bedford Group | Panorama, Australia | 1,001 to 5,000 | | Ymca Calgary | Calgary, Canada | 1,001 to 5,000 | | Canadian Cancer Society | Toronto, Canada | 501 to 1,000 | | National Ms Society | Denver, CO | 501 to 1,000 | | World Education | Boston, MA | 501 to 1,000 | | Österreichisches Rotes Kreuz | Wien, Austria | 501 to 1,000 | | Los Angeles Lgbt Center | Los Angeles, CA | 501 to 1,000 | | Uniting Communities | Adelaide, Australia | 501 to 1,000 | | Action For Boston Community Development | Boston, MA | 501 to 1,000 | | Signet Health | North Richland Hills, TX | 501 to 1,000 | | Uli Los Angeles | Los Angeles, CA | 501 to 1,000 | | Community Research Foundation | San Diego, CA | 501 to 1,000 | | Tanana Chiefs Conference | Fairbanks, AK | 501 to 1,000 | | Stella Maris | Lutherville Timonium, MD | 501 to 1,000 | | Penny Lane Centers | North Hollywood, CA | 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 8399 companies based? The largest groups are headquartered in the United States (84%), Canada (4%) and Germany (2%). **Figure: Where companies in SIC 8399 are based.** Bars for the share of counted companies in SIC 8399 headquartered in each country: United States 84%, Canada 4%, Germany 2%, India 2%, Australia 1%. *Share of counted companies in SIC 8399 by headquarters country.* Within the United States, California (14%), New York (6%) and Texas (6%) lead. **Figure: US headquarters of companies in SIC 8399, by state.** A tile map of the United States shaded by the share of counted US companies in SIC 8399 headquartered in each state. The largest are California 14%, New York 6%, Texas 6%. *Share of counted US companies in SIC 8399 by headquarters state. The three largest states are outlined.* ## How big are the companies counted for SIC 8399? 62% of them have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. **Figure: Size of companies in SIC 8399.** Seven columns for the share of counted companies in SIC 8399 in each employee range: 11 to 50 62%, 51 to 200 26%, 201 to 500 6%, 501 to 1,000 3%, 1,001 to 5,000 2%, 5,001 to 10,000 0%, 10,001+ 1%. *Share of counted companies in SIC 8399 in each employee range.* ## How old are SIC 8399 companies? Most were founded in the 2010s (22%), then the 1990s (17%). **Figure: When companies in SIC 8399 were founded.** Eight columns for the share of counted companies in SIC 8399 founded in each era: Before 1960 12%, 1960s 7%, 1970s 12%, 1980s 15%, 1990s 17%, 2000s 15%, 2010s 22%, 2020s 1%. *Share of counted companies in SIC 8399 by the era they were founded in, for the ones that list a founding year.* ## SIC 8399 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 8399. | Code | Title | Share of counted | | --- | --- | --- | | NAICS 813319 | Other Social Advocacy Organizations | 82% | | NAICS 624190 | Other Individual and Family Services | 4% | | NAICS 813212 | Voluntary Health Organizations | 3% | | NAICS 813410 | Civic and Social Organizations | 3% | ## How do SIC 8399 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 Non-profit Organizations (45%), Civic and Social Organizations (15%) and Individual and Family Services (13%). **Figure: How companies in SIC 8399 describe themselves.** Bars for the share of counted companies in SIC 8399 that give each industry on their public profile: Non-profit Organizations 45%, Civic and Social Organizations 15%, Individual and Family Services 13%, Non-profit Organization Management 9%, Hospitals and Health Care 9%, Philanthropic Fundraising Services 5%. *Share of counted companies in SIC 8399 by the industry they list on their public profile.* ## 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 8399 companies? The people to talk to are usually practice leaders and heads of operations. 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 8399 (Social services) ``` ### 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 practice leaders and heads of operations at companies with SIC code 8399, 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 8399? SIC 8399 is the code for Social services, in division I (Services). ### What is the NAICS code for SIC 8399 (Social services)? 82% of the companies counted carry NAICS 813319 (Other Social Advocacy Organizations), but the two systems do not map one to one. ### Which companies are classified under SIC 8399? The biggest by headcount range include City of Hope, Sos Children's Villages International, Opportunity International, Hand In Hand India and Aarp. The page lists 25 with links to their profiles where we have them. ### How big are the companies in SIC 8399? 62% have 50 or fewer employees, and the middle one is in the 11 to 50 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 8399 companies ```text Use www.enrich.chat to find the practice leaders and heads of operations at companies with SIC code 8399, 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/)