--- title: "Find Companies by the Tools They Use · Pipecorn" description: "Search companies by the technologies their job posts mention, such as HubSpot CRM or Salesforce, with the evidence behind each match. Then reach the people inside." canonical: "https://pipecorn.com/tech-stack-signals" --- # Find the companies that use the tools you plug into > Search companies by the technologies their job posts mention, such as HubSpot CRM or Salesforce, with the evidence behind each match. Then reach the people inside. Source: https://pipecorn.com/tech-stack-signals [Signals](https://pipecorn.com/signals) · Tech stack Pick a technology, such as the CRM you integrate with or the competitor you replace. Pipecorn returns the companies whose job posts mention it, with how often and how recently. [Sign up for free](https://app.pipecorn.com/register)[Book a demo →](https://zcal.co/t/pipecorn/discovery) How it works ## From 45.2M companies to _347 on HubSpot CRM_ We ran it on US software companies with 51 to 500 employees on October 29, 2026. 1. 01 ### Pick the technologies Search the catalog by name. Include the tools you want and exclude the ones you don't, for example HubSpot CRM but not Salesforce. TechnologyInclude: HubSpot CRMExclude: Salesforce Popular: HubSpot, Notion, Salesforce, Slack, Intercom, Zapier, Stripe, Shopify, WordPress. 2. 02 ### Read the evidence Each match comes from job posts that mention the tool. You see how many posts did, and the first and last time one was seen. HubSpot CRM's usage Confidence **High**. Mentioned in 128 job postings between 2024-01-31 and 2026-10-26. 3. 03 ### Import the companies The count and the preview are free, with names blurred. Each company you import costs 3 credits and shows by name in your list. Software DevelopmentUnited States51-500 employeesHubSpot CRM**347**US software companies whose job posts mention HubSpot CRM What came back ## Every match comes with _the job posts behind it_ The first eight companies the search returned, with the number of job posts that mention HubSpot CRM and when they were seen. Names stay blurred until you import. CompanyEmployeesJob postsFirst seenLast seen _Miami, United States_51-200**128**Jan 2024Oct 2026 _Baltimore, United States_51-200**28**May 2022Jun 2026 _Raleigh, United States_201-500**21**May 2025Oct 2026 _Berkeley, United States_201-500**17**Mar 2021Oct 2023 _Durham, United States_201-500**16**Jul 2025Jun 2026 _Reston, United States_51-200**16**Oct 2022Sep 2026 _Waco, United States_51-200**14**Jun 2023Jun 2026 _Vienna, United States_51-200**14**Jul 2025Oct 2026 Look at the last-seen date before you write. The Berkeley company last mentioned HubSpot CRM in October 2023, so it may have moved on since. Alerts ## Get the new ones _on a schedule_ A Tech Stack Change alert reruns your search and imports the companies that newly match into a list. It does not tell you the day a company drops a tool. Search Technologies, industry, company size, countries and company lists Runs Daily, weekly or monthly Delivers New companies imported into a company list Cost 3 credits per company imported. The alert pauses if you run out and starts again once you top up. People Optional: add a persona and each run also builds the lead list Grow includes 1 alert and Scale includes 10. API & MCP ## Or ask _Claude_ Connect the Pipecorn MCP to Claude and name a tool. Claude finds its exact name in the catalog, runs the same free preview and tells you what it would cost to import. [See the API and MCP →](https://pipecorn.com/integrations) 1. You: How many US software companies of 51-500 use HubSpot CRM? 2. Claude: I'll look up HubSpot CRM in the technology catalog, then run a free preview. 3. Tool call pipecorn search\_technologies: hubspot → hubspot-crm (CRM Platforms) 4. Tool call pipecorn preview\_search\_accounts\_by\_stack: hubspot-crm · US · software · 51-500 → total: 347 5. Claude: 347 companies match. Names stay hidden until import, so here is where the first six are based and how many job posts mention HubSpot CRM. 6. Miami, Employees 51-200, Job posts 128; Baltimore, Employees 51-200, Job posts 28; Raleigh, Employees 201-500, Job posts 21; Berkeley, Employees 201-500, Job posts 17; Durham, Employees 201-500, Job posts 16; Reston, Employees 51-200, Job posts 16 7. Claude: Importing all 347 would cost 1,041 credits. 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