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What IT services companies use for Prospecting data & signals

Each line links its public proof and the date usedby last checked it.

15

IT Services & System Integration companies use Prospecting data & signals tools

1 confirmed 13 observed 1 signal

The most used: Apollo (6), 6sense (4), and ZoomInfo (2).Data as of Nov 15, 2026

Ranking

Tools ranked by the IT Services & System Integration companies that use them. Ties go to the stronger proof.

Largest and best-proven users

Two labelled views of the same companies. Neither is a score.

Largest companies

By employee range. Size known for 13 of 15.

  • SAPObserved10,001+ employeesChecked Nov 14, 2026
  • MicrosoftObserved10,001+ employeesChecked Nov 11, 2026
  • HPEObserved10,001+ employeesChecked Nov 11, 2026

Strongest proof

Confirmed or declared: 1 of 15. This view filters what you read, never what is counted.

  • RootlyConfirmed51–200 employeesChecked Nov 15, 2026

Who uses each tool

Strongest proof first. A job post is a signal, the weakest proof.

  1. 1Apollo6 companies · Checked Nov 11, 20266
    0 confirmed 6 observed

    Apollo profile

  2. 26sense4 companies · Checked Nov 14, 20264
    0 confirmed 4 observed

    6sense profile

  3. 3ZoomInfo2 companies · Checked Nov 11, 20262
    0 confirmed 2 observed

    ZoomInfo profile

  4. 4Clay1 company · Checked Nov 15, 20261
    1 confirmed 0 observed

    Clay profile

  5. 5Common Room1 company · Checked Nov 11, 20261
    0 confirmed 1 observed

    Common Room profile

  6. 6Vector1 company · Checked Nov 15, 20261
    0 confirmed 0 observed 1 signal

    Vector profile

How usedby counts

1 confirmed 13 observed 1 signal

A company counts once per tool, at its strongest proof: confirmed (a case study, a named testimonial, a press release or the company's own account), declared (the company told usedby), observed (a vendor logo wall or customers page) or signal (a job post). Counts cover the companies on usedby, never the whole market.

No software vendor had to be left out.

Data as of November 15, 2026.

Questions

Which Prospecting data & signals tools do IT Services & System Integration companies use most?

Apollo leads: 6 of the 15 IT Services & System Integration companies on usedby that use Prospecting data & signals tools use it. Next: 6sense (4), ZoomInfo (2), Clay (1), and Common Room (1). See Apollo.

How many IT Services & System Integration companies use Prospecting data & signals tools?

15 IT Services & System Integration companies on usedby use at least one of 6 Prospecting data & signals tools. It counts the companies usedby tracks.

What proof backs these lines?

Of the 15 companies, each counted at its strongest proof: 1 confirmed, 0 declared, 13 observed and 1 known from a job post.

How does usedby build this ranking?

usedby counts each IT Services & System Integration company once per tool, from public proof: case studies, press releases, the company's own site or its declaration to usedby, vendor customer pages and job posts. Every line shows its proof and the date usedby last checked it.