> 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/518210/ # NAICS code 518210: Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services The companies classified under NAICS 518210, 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 518210 is the code for Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services, in sector 51: Information. The companies counted under it are mostly very small: 62% have 50 or fewer employees, and 61% are headquartered in the United States. ## What is NAICS 518210? NAICS 518210 is the code for Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services. It belongs to sector 51: Information. 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 7374, Data processing and preparation, in the older SIC system (97%). NAICS is a North American system, so companies outside the US, Canada and Mexico are placed in it by classification. - 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 (61%). Within the US, California is the biggest state (15%). - Most were founded in the 2010s (44%), then the 2000s (33%). **Figure: How NAICS 518210 is built.** The code 518210 split into its parts: sector 51, then subsector, industry group, NAICS industry and U.S. industry. *The six digits of NAICS 518210. Each digit narrows the category.* ## Which companies are classified under NAICS 518210? The biggest by headcount range include Fiserv, FIS, FactSet, Change Healthcare and Ringcentral. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | [Fiserv](https://enrich.chat/company/fiserv/) | Milwaukee, WI | 10,001+ | | [FIS](https://enrich.chat/company/fis/) | Jacksonville, FL | 10,001+ | | [FactSet](https://enrich.chat/company/factset/) | Norwalk, CT | 10,001+ | | [Change Healthcare](https://enrich.chat/company/change-healthcare/) | Nashville, TN | 10,001+ | | Ringcentral | Belmont, CA | 5,001 to 10,000 | | Semrush | Boston, MA | 1,001 to 5,000 | | Fico | Bozeman, MT | 1,001 to 5,000 | | Bounteous | Frisco, TX | 1,001 to 5,000 | | Klaviyo | Boston, MA | 1,001 to 5,000 | | Critical Mass | Calgary, Canada | 1,001 to 5,000 | | Vertafore | Denver, CO | 1,001 to 5,000 | | Desicrew Solutions Private | Chennai, India | 1,001 to 5,000 | | Telenetwork | San Marcos, TX | 1,001 to 5,000 | | Sectigo | Scottsdale, AZ | 501 to 1,000 | | Cybersource | Foster City, CA | 501 to 1,000 | | Corcentric | Cherry Hill, NJ | 501 to 1,000 | | Graygraph Technologies | Noida, India | 501 to 1,000 | | Cyrusone | Dallas, TX | 501 to 1,000 | | Camp Systems International | Merrimack, NH | 501 to 1,000 | | Motus | Boston, MA | 501 to 1,000 | | Civicplus | Manhattan, KS | 501 to 1,000 | | Tierpoint | St. Louis, MO | 501 to 1,000 | | Q4 | Toronto, Canada | 501 to 1,000 | | Veritone | Denver, CO | 501 to 1,000 | | Advisor360 | Needham, MA | 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 NAICS 518210 companies based? The largest groups are headquartered in the United States (61%), India (9%) and Canada (7%). **Figure: Where companies in NAICS 518210 are based.** Bars for the share of counted companies in NAICS 518210 headquartered in each country: United States 61%, India 9%, Canada 7%, Austria 5%, United Kingdom 4%, Germany 2%, Sweden 2%. *Share of counted companies in NAICS 518210 by headquarters country.* Within the United States, California (15%), Texas (9%) and Florida (7%) lead. **Figure: US headquarters of companies in NAICS 518210, by state.** A tile map of the United States shaded by the share of counted US companies in NAICS 518210 headquartered in each state. The largest are California 15%, Texas 9%, Florida 7%. *Share of counted US companies in NAICS 518210 by headquarters state. The three largest states are outlined.* ## How big are the companies counted for NAICS 518210? 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 NAICS 518210.** Seven columns for the share of counted companies in NAICS 518210 in each employee range: 11 to 50 62%, 51 to 200 26%, 201 to 500 7%, 501 to 1,000 4%, 1,001 to 5,000 2%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted companies in NAICS 518210 in each employee range.* ## How old are NAICS 518210 companies? Most were founded in the 2010s (44%), then the 2000s (33%). **Figure: When companies in NAICS 518210 were founded.** Eight columns for the share of counted companies in NAICS 518210 founded in each era: Before 1960 0%, 1960s 1%, 1970s 1%, 1980s 3%, 1990s 16%, 2000s 33%, 2010s 44%, 2020s 2%. *Share of counted companies in NAICS 518210 by the era they were founded in, for the ones that list a founding year.* ## How NAICS 518210 compares - 46% were founded in 2010 or later, against 30% across all NAICS codes on this site. ## How do NAICS 518210 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 IT Services and IT Consulting (34%), Software Development (18%) and Advertising Services (16%). **Figure: How companies in NAICS 518210 describe themselves.** Bars for the share of counted companies in NAICS 518210 that give each industry on their public profile: IT Services and IT Consulting 34%, Software Development 18%, Advertising Services 16%, Technology; Information and Internet 14%, Information Technology and Services 8%. *Share of counted companies in NAICS 518210 by the industry they list on their public profile.* ## NAICS 518210 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 7374 | Data processing and preparation | 97% | ## 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 518210 companies? The people to talk to are usually engineering, operations and revenue 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 518210 (Computing Infrastructure Providers, Data Processing, Web Hosting, and Related 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 engineering, operations and revenue leaders at companies with NAICS code 518210, 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 Others in sector 51: [NAICS 513210: Software Publishers](https://enrich.chat/naics/513210/)[NAICS 517810: All Other Telecommunications](https://enrich.chat/naics/517810/)[NAICS 517112: Wireless Telecommunications Carriers](https://enrich.chat/naics/517112/)[NAICS 513110: Newspaper Publishers](https://enrich.chat/naics/513110/)[NAICS 513130: Book Publishers](https://enrich.chat/naics/513130/)[NAICS 519210: Libraries and Archives](https://enrich.chat/naics/519210/)[NAICS 513120: Periodical Publishers](https://enrich.chat/naics/513120/)[NAICS 516120: Television Broadcasting Stations](https://enrich.chat/naics/516120/) ## Frequently asked questions ### What is NAICS code 518210? NAICS 518210 is the code for Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services, in sector 51: Information. ### What is the SIC code for NAICS 518210 (Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services)? 97% of the companies counted carry SIC 7374 (Data processing and preparation), but the two systems do not map one to one. ### Which companies are classified under NAICS 518210? The biggest by headcount range include Fiserv, FIS, FactSet, Change Healthcare and Ringcentral. The page lists 25 with links to their profiles where we have them. ### Where are NAICS 518210 companies based? The largest groups are headquartered in the United States (61%), India (9%) and Canada (7%). ### How big are the companies in NAICS 518210? 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. ### How do I find a company's NAICS code? Search the official NAICS index at the U.S. Census Bureau for the code that matches what the company mostly does. Public companies in the US also list a SIC code in their SEC EDGAR profile. ## Try this prompt Find the people at NAICS 518210 companies ```text Use www.enrich.chat to find the engineering, operations and revenue leaders at companies with NAICS code 518210, 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/)