> ## Documentation Index
> Fetch the complete documentation index at: https://apidoc.cufinder.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Categorization signals

> Signals tracking how a company classifies its industry and specialties, revealing pivots and market expansion.

Signals tracking how a company classifies its industry and specialties, revealing pivots and market expansion.

The categorization category contains **7 signals**. Each links to a full reference page with the exact trigger condition, stored fields, magnitude, and an outreach playbook.

<CardGroup cols={2}>
  <Card title="Industry Change" href="/buying-signals/signals/categorization/industry-change">
    The company's primary industry classification changed.
  </Card>

  <Card title="Industry Added" href="/buying-signals/signals/categorization/industry-added">
    A new industry was added to the company's list.
  </Card>

  <Card title="Industry Removed" href="/buying-signals/signals/categorization/industry-removed">
    An industry was dropped from the company's list.
  </Card>

  <Card title="Specialty Added" href="/buying-signals/signals/categorization/specialty-added">
    A new specialty was added.
  </Card>

  <Card title="Specialty Removed" href="/buying-signals/signals/categorization/specialty-removed">
    A specialty was dropped from the list.
  </Card>

  <Card title="Specialties Count Increase" href="/buying-signals/signals/categorization/specialties-count-increase">
    The total number of specialties grew notably.
  </Card>

  <Card title="Specialties Count Decrease" href="/buying-signals/signals/categorization/specialties-count-decrease">
    The total number of specialties shrank notably.
  </Card>
</CardGroup>