Sales Outreach Angle

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Built In's Position in the StackWho Database

  • Built In is 1 of 194,140 information technology & services companies tracked in StackWho.
  • 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
  • 11,640 companies in Illinois are in the StackWho database.
  • 13,765 information technology & services companies are in the 51-200 employee range (same size as Built In).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does Built In use?

Built In uses Cloudflare DNS, Mailchimp Mandrill, Rackspace MailGun, Sendgrid, Gmail, Pardot, and 48 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Built In?

StackWho has verified email addresses for 3 decision makers at Built In. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Built In directly for sales, recruiting, or partnerships.

What industry is Built In in?

Built In operates in the information technology & services industry, headquartered in Chicago, Illinois, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Built In's contact data?

Yes. StackWho Pro members can export decision maker contact data for Built In and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.