> 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/513210/massachusetts/ # NAICS 513210 companies in Massachusetts Companies with NAICS code 513210 (Software Publishers) headquartered in Massachusetts, with their cities, sizes and SIC codes. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** The biggest NAICS 513210 companies in Massachusetts by headcount range include Hubspot, Akamai Technologies and Dynatrace. NAICS 513210 is the code for Software Publishers. Among those counted, they are mostly small: 68% have 200 or fewer employees. ## Which NAICS 513210 companies are in Massachusetts? The biggest by headcount range include Hubspot, Akamai Technologies, Dynatrace, Athenahealth and Aspen Technology. NAICS 513210 is the code for Software Publishers. Names link to a company profile where we have one. | Company | City | Employees | | --- | --- | --- | | [Hubspot](https://enrich.chat/company/hubspot/) | Cambridge | 5,001 to 10,000 | | [Akamai Technologies](https://enrich.chat/company/akamai-technologies/) | Cambridge | 5,001 to 10,000 | | Dynatrace | Boston | 5,001 to 10,000 | | Athenahealth | Boston | 5,001 to 10,000 | | Aspen Technology | Bedford | 1,001 to 5,000 | | Outsystems | Boston | 1,001 to 5,000 | | Acquia | Boston | 1,001 to 5,000 | | Bullhorn | Boston | 1,001 to 5,000 | | Rocket Software | Waltham | 1,001 to 5,000 | | Duck Creek Technologies | Boston | 1,001 to 5,000 | | Carbonite | Boston | 1,001 to 5,000 | | Reify Health | Boston | 1,001 to 5,000 | | Tracelink | Wilmington | 501 to 1,000 | | Jenzabar | Boston | 501 to 1,000 | | Quickbase | Boston | 501 to 1,000 | | Engagesmart | Boston | 501 to 1,000 | | Tulip Interfaces | Somerville | 201 to 500 | | Onapsis | Boston | 201 to 500 | | Hycu | Boston | 201 to 500 | | Blueconic | Boston | 201 to 500 | | Apriori Technologies | Concord | 201 to 500 | | Azara Healthcare | Burlington | 201 to 500 | | Lakeside Software | Boston | 201 to 500 | | Imdsoft | Wakefield | 201 to 500 | | Seceon | Westford | 51 to 200 | 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 Massachusetts? Within Massachusetts, Boston (45%), Burlington (8%) and Cambridge (8%) are the most common headquarters. **Figure: Cities of NAICS 513210 companies in Massachusetts.** Bars for the share of counted NAICS 513210 companies in Massachusetts headquartered in each city: Boston 45%, Burlington 8%, Cambridge 8%, Waltham 5%, Concord 4%. *Share of counted NAICS 513210 companies in Massachusetts by headquarters city.* ## How big are they? 36% of the NAICS 513210 companies counted in Massachusetts 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 513210 companies in Massachusetts.** Seven columns for the share of counted NAICS 513210 companies in Massachusetts in each employee range: 11 to 50 36%, 51 to 200 33%, 201 to 500 11%, 501 to 1,000 5%, 1,001 to 5,000 11%, 5,001 to 10,000 5%, 10,001+ 0%. *Share of counted NAICS 513210 companies in Massachusetts in each employee range.* ## How old are they? Most were founded in the 2010s (47%), then the 2000s (34%). **Figure: When NAICS 513210 companies in Massachusetts were founded.** Eight columns for the share of counted NAICS 513210 companies in Massachusetts founded in each era: Before 1960 0%, 1960s 0%, 1970s 0%, 1980s 3%, 1990s 14%, 2000s 34%, 2010s 47%, 2020s 2%. *Share of counted NAICS 513210 companies in Massachusetts by the era they were founded in, for the ones that list a founding year.* ## How Massachusetts compares with the rest of the country - 36% of NAICS 513210 companies in Massachusetts have 50 or fewer employees, against 46% across NAICS 513210 companies nationwide. ## How do you reach the people at these Massachusetts companies? The people to talk to are usually product, engineering 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 513210 in Massachusetts ``` ### 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 product, engineering and revenue leaders at companies with NAICS code 513210 in Massachusetts, 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 513210: Software Publishers](https://enrich.chat/naics/513210/). About the place: [companies in Massachusetts](https://enrich.chat/companies-in/massachusetts/). NAICS 513210 in other states: [California](https://enrich.chat/naics/513210/california/)[Texas](https://enrich.chat/naics/513210/texas/)[New York](https://enrich.chat/naics/513210/new-york/) Other NAICS codes in Massachusetts: [NAICS 541511: Custom Computer Programming Services](https://enrich.chat/naics/541511/massachusetts/)[NAICS 722511: Full-Service Restaurants](https://enrich.chat/naics/722511/massachusetts/)[NAICS 531210: Offices of Real Estate Agents](https://enrich.chat/naics/531210/massachusetts/)[NAICS 541512: Computer Systems Design Services](https://enrich.chat/naics/541512/massachusetts/)[NAICS 541714: Research and Development](https://enrich.chat/naics/541714/massachusetts/)[NAICS 621111: Offices of Physicians](https://enrich.chat/naics/621111/massachusetts/)[NAICS 523940: Portfolio Management and Investment](https://enrich.chat/naics/523940/massachusetts/)[NAICS 236220: Commercial and Institutional Building](https://enrich.chat/naics/236220/massachusetts/) ## Frequently asked questions ### Which NAICS 513210 companies are in Massachusetts? The biggest by headcount range include Hubspot, Akamai Technologies, Dynatrace, Athenahealth and Aspen Technology. The page lists 25 with links to their profiles where we have them. ### What is NAICS 513210? NAICS 513210 is the code for Software Publishers, in sector 51: Information. ### Which cities in Massachusetts have the most? Boston (45%), Burlington (8%) and Cambridge (8%) lead among the companies counted. ## Try this prompt Find the people at NAICS 513210 companies in Massachusetts ```text Use www.enrich.chat to find the product, engineering and revenue leaders at companies with NAICS code 513210 in Massachusetts, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 513210 in California](https://enrich.chat/naics/513210/california/) - [NAICS 513210 in Texas](https://enrich.chat/naics/513210/texas/) - [NAICS 513210 in New York](https://enrich.chat/naics/513210/new-york/) - [NAICS 541511 in Massachusetts](https://enrich.chat/naics/541511/massachusetts/) - [NAICS 722511 in Massachusetts](https://enrich.chat/naics/722511/massachusetts/) - [NAICS 531210 in Massachusetts](https://enrich.chat/naics/531210/massachusetts/) - [NAICS 541512 in Massachusetts](https://enrich.chat/naics/541512/massachusetts/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)