> 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/541511/california/ # NAICS 541511 companies in California Companies with NAICS code 541511 (Custom Computer Programming Services) headquartered in California, with their cities, sizes and SIC codes. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** The biggest NAICS 541511 companies in California by headcount range include Salesforce, Workday and GlobalLogic. NAICS 541511 is the code for Custom Computer Programming Services. Among those counted, they are mostly small: 78% have 200 or fewer employees. ## Which NAICS 541511 companies are in California? The biggest by headcount range include Salesforce, Workday, GlobalLogic, Synopsys and Teradata. NAICS 541511 is the code for Custom Computer Programming Services. Names link to a company profile where we have one. | Company | City | Employees | | --- | --- | --- | | [Salesforce](https://enrich.chat/company/salesforce/) | San Francisco | 10,001+ | | [Workday](https://enrich.chat/company/workday/) | Pleasanton | 10,001+ | | [GlobalLogic](https://enrich.chat/company/globallogic/) | Santa Clara | 10,001+ | | [Synopsys](https://enrich.chat/company/synopsys/) | Sunnyvale | 10,001+ | | Teradata | San Diego | 10,001+ | | [First American](https://enrich.chat/company/first-american/) | Santa Ana | 10,001+ | | Metropolis Technologies | Santa Monica | 10,001+ | | Sage Intacct | San Jose | 10,001+ | | Streamsets | San Mateo | 10,001+ | | [Databricks](https://enrich.chat/company/databricks/) | San Francisco | 5,001 to 10,000 | | Nutanix | San Jose | 5,001 to 10,000 | | Snap | Santa Monica | 5,001 to 10,000 | | Xoriant | Sunnyvale | 5,001 to 10,000 | | Veeva Systems | Pleasanton | 5,001 to 10,000 | | Mulesoft | San Francisco | 5,001 to 10,000 | | Veritas Technologies | Santa Clara | 5,001 to 10,000 | | Turing | Palo Alto | 1,001 to 5,000 | | Bairesdev | San Francisco | 1,001 to 5,000 | | Avenue Code | San Francisco | 1,001 to 5,000 | | Impetus | Los Gatos | 1,001 to 5,000 | | Roku | San Jose | 1,001 to 5,000 | | Mobile Programming | Los Angeles | 1,001 to 5,000 | | Devsinc | San Francisco | 1,001 to 5,000 | | Procore Technologies | Carpinteria | 1,001 to 5,000 | | Hashicorp | San Francisco | 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. ## Which cities in California? Within California, San Francisco (23%), Los Angeles (7%) and San Jose (6%) are the most common headquarters. **Figure: Cities of NAICS 541511 companies in California.** Bars for the share of counted NAICS 541511 companies in California headquartered in each city: San Francisco 23%, Los Angeles 7%, San Jose 6%, San Diego 6%, Palo Alto 4%, Santa Clara 3%, Irvine 3%, Sunnyvale 3%. *Share of counted NAICS 541511 companies in California by headquarters city.* ## How big are they? 46% of the NAICS 541511 companies counted in California 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 NAICS 541511 companies in California.** Seven columns for the share of counted NAICS 541511 companies in California in each employee range: 11 to 50 46%, 51 to 200 33%, 201 to 500 13%, 501 to 1,000 5%, 1,001 to 5,000 3%, 5,001 to 10,000 1%, 10,001+ 1%. *Share of counted NAICS 541511 companies in California in each employee range.* ## How old are they? Most were founded in the 2010s (58%), then the 2000s (24%). **Figure: When NAICS 541511 companies in California were founded.** Eight columns for the share of counted NAICS 541511 companies in California founded in each era: Before 1960 0%, 1960s 0%, 1970s 1%, 1980s 2%, 1990s 9%, 2000s 24%, 2010s 58%, 2020s 6%. *Share of counted NAICS 541511 companies in California by the era they were founded in, for the ones that list a founding year.* ## How California compares with the rest of the country - 64% were founded in 2010 or later, against 51% across NAICS 541511 companies nationwide. ## How do you reach the people at these California companies? The people to talk to are usually engineering, delivery and revenue leaders. 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 NAICS code 541511 in California ``` ### 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, delivery and revenue leaders at companies with NAICS code 541511 in California, 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 About the code: [NAICS 541511: Custom Computer Programming Services](https://enrich.chat/naics/541511/). About the place: [companies in California](https://enrich.chat/companies-in/california/). NAICS 541511 in other states: [Texas](https://enrich.chat/naics/541511/texas/)[New York](https://enrich.chat/naics/541511/new-york/)[Florida](https://enrich.chat/naics/541511/florida/)[Virginia](https://enrich.chat/naics/541511/virginia/)[New Jersey](https://enrich.chat/naics/541511/new-jersey/)[Massachusetts](https://enrich.chat/naics/541511/massachusetts/)[Georgia](https://enrich.chat/naics/541511/georgia/)[Illinois](https://enrich.chat/naics/541511/illinois/)[Washington](https://enrich.chat/naics/541511/washington/)[Pennsylvania](https://enrich.chat/naics/541511/pennsylvania/) Other NAICS codes in California: [NAICS 541512: Computer Systems Design Services](https://enrich.chat/naics/541512/california/)[NAICS 722511: Full-Service Restaurants](https://enrich.chat/naics/722511/california/)[NAICS 541613: Marketing Consulting Services](https://enrich.chat/naics/541613/california/)[NAICS 238220: Plumbing, Heating, and Air-Conditioning](https://enrich.chat/naics/238220/california/)[NAICS 513210: Software Publishers](https://enrich.chat/naics/513210/california/)[NAICS 531210: Offices of Real Estate Agents](https://enrich.chat/naics/531210/california/)[NAICS 524210: Insurance Agencies and Brokerages](https://enrich.chat/naics/524210/california/)[NAICS 236220: Commercial and Institutional Building](https://enrich.chat/naics/236220/california/)[NAICS 621111: Offices of Physicians](https://enrich.chat/naics/621111/california/)[NAICS 541110: Offices of Lawyers](https://enrich.chat/naics/541110/california/) ## Frequently asked questions ### Which NAICS 541511 companies are in California? The biggest by headcount range include Salesforce, Workday, GlobalLogic, Synopsys and Teradata. The page lists 25 with links to their profiles where we have them. ### What is NAICS 541511? NAICS 541511 is the code for Custom Computer Programming Services, in sector 54: Professional, Scientific, and Technical Services. ### Which cities in California have the most? San Francisco (23%), Los Angeles (7%) and San Jose (6%) lead among the companies counted. ## Try this prompt Find the people at NAICS 541511 companies in California ```text Use www.enrich.chat to find the engineering, delivery and revenue leaders at companies with NAICS code 541511 in California, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 541511 in Texas](https://enrich.chat/naics/541511/texas/) - [NAICS 541511 in New York](https://enrich.chat/naics/541511/new-york/) - [NAICS 541511 in Florida](https://enrich.chat/naics/541511/florida/) - [NAICS 541511 in Virginia](https://enrich.chat/naics/541511/virginia/) - [NAICS 541512 in California](https://enrich.chat/naics/541512/california/) - [NAICS 722511 in California](https://enrich.chat/naics/722511/california/) - [NAICS 541613 in California](https://enrich.chat/naics/541613/california/) - [NAICS 238220 in California](https://enrich.chat/naics/238220/california/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)