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Companies using Stacks

As of 14 October 2026, Firmable tracks 779 companies across 13 countries running Stacks. See who they are, and who to call.

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Technologies tracked, each matched to the companies running them and who to call.

Companies using Stacks

Showing 5 of 779 companies

Tinrocket

tinrocket.com · Computer software · 51–250 employees

Last seen 5 Sep 2026 The most recent date Firmable detected Stacks at this company.

Decision makers · 1 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Owner, Product Designer, and Principal Software Developer MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

No signals recorded

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Australian Psychological Society (APS)

psychology.org.au · Mental health services · 251–500 employees

Last seen 3 Sep 2026 The most recent date Firmable detected Stacks at this company.

Decision makers · 51 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Application Manager MobileEmail
Website Delivery Manager MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

Moved into Head of Community Advancement and Projects · 31 Jul 2026

The Australian Psychological Society opened applications for its new 5+1 Pathway to Registration Program, supporting 477 provisional psychologists. · 24 Sep 2026

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Orthopaedic Trauma Association

ota.org · Hospitals and healthcare facilities · 51–250 employees

Last seen 6 Sep 2026 The most recent date Firmable detected Stacks at this company.

Decision makers · 13 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Senior Manager, Publications Technology MobileEmail
Senior Director of Development, Marketing and Corporate Relations MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

No signals recorded

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American Orthopaedic Foot & Ankle Society

aofas.org · Educational support services · 51–250 employees

Last seen 6 Sep 2026 The most recent date Firmable detected Stacks at this company.

Decision makers · 15 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Executive Director MobileEmail
Director of Marketing and Membership MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

AOFAS International attended event Annual Meeting & IFFAS 9th Biennial Meeting on Sep 16th '26. · 16 Sep 2026

AOFAS International attended event Annual Meeting on Sep 16th '26. · 16 Sep 2026

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ampro

amprogo.com · Marketing and advertising services · 51–250 employees

Last seen 6 Sep 2026 The most recent date Firmable detected Stacks at this company.

Decision makers · 18 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Director of Corporate Sales MobileEmail
Executive Vice President MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

No signals recorded

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Who uses Stacks

A breakdown of the 779 companies running Stacks.

Top industries

Art, sports and recreation118
Health and wellness93
Professional and business services93
Industrial and manufacturing45
Information technology and services43
Construction and building38
Education and training36
Hospitality and travel31

No industry recorded: 111

Company size

1–10147 (58%)
11–5057 (23%)
51–25034 (13%)
251–5006 (2%)
501–1,0003 (1%)
1,001–5,0005 (2%)
5,001–10,0001 (<1%)

Share of companies with a recorded size, by employees.

No size recorded: 526

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Competitor displacement

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Complementary tools

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Market insights

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Frequently asked questions

About the Stacks data on this page.

How many companies use Stacks?

Firmable holds confirmed Stacks detections for 779 distinct companies, 775 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.

Which companies use Stacks?

Tinrocket, Australian Psychological Society (APS) and ampro are among the most prominent in the current set.

What industries use Stacks?

Art, sports and recreation, health and wellness and professional and business services lead the set, across 19 industries in total.

What size companies use Stacks?

Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.

Where are Stacks users based?

The United States, Australia, Canada and Japan account for most detections, across 13 countries.

How current is this data?

775 companies were confirmed in the last 90 days. Last detection 13 October 2026.

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