Home / Groups / Y Combinator companies / Primer

Primer among Y Combinator companies

Primer was detected on 11 of 5,386 crawled Y Combinator company websites, a share of 0.2%.

5,386 of 6,133 Y Combinator domains returned a usable record and form the denominator. 5,242 were counted from a rendered homepage crawl on 4 September 2026, 144 from a plain fetch only, and 747 returned no usable record. Company list: Y Combinator company directory. <5 means fewer than 5 crawled domains in that group.

Software used by Y Combinator companies · Visitor Identification and ABM across all groups · Primer across every group and the wider sample

Primer runs on these Y Combinator companies

• Podium
• Apollo.io
• Ironclad
• Zip
• Tennr
• Conveo
• Pulley
• Sully.ai
• Navattic
• Tastemaker
• Coperniq

11 of 11, ordered by team size, largest first.

<a href="https://installmap.com/groups/yc/primer"><img src="https://installmap.com/badges/yc/primer.svg" alt="Primer runs on 11 of 5,386 crawled YC companies (0.2%)"></a>

[![Primer runs on 11 of 5,386 crawled YC companies (0.2%)](https://installmap.com/badges/yc/primer.svg)](https://installmap.com/groups/yc/primer)

Other Visitor Identification and ABM tools in this group

• Apollo.io Tracker 3.2%
• RB2B 2.9%
• Vector 2.3%
• ZoomInfo WebSights 1.4%
• Warmly 1.3%
• Unify 1.2%
• Dealfront Leadfeeder 1.2%
• Snitcher 1.1%