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Companies using Active Directory

As of 14 October 2026, Firmable tracks 58,018 companies across 13 countries running Active Directory. 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 Active Directory

Showing 5 of 58K+ companies

Cresset

cressetcapital.com · Financial planning and advisory services · 251–500 employees

Last seen 12 Aug 2026 The most recent date Firmable detected Active Directory at this company.

Decision makers · 370 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Director IT Engineer MobileEmail
Associate Director, IT Engineer MobileEmail

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

Hired as Executive Managing Director, Chief Market Strategist in Illinois · 8 Oct 2026

Cresset Capital nears acquisition of National Advisors Trust Company in a $13.1B trust-business deal on Oct 5th '26 · 5 Oct 2026

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CareSuper

caresuper.com.au · Financial planning and advisory services · 251–500 employees

Last seen 20 Aug 2026 The most recent date Firmable detected Active Directory at this company.

Decision makers · 208 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Cloud Platforms Lead MobileEmail
General Manager Information Security (CISO) & Risk MobileEmail

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

New Delivery Lead - Security joined · 31 Aug 2026

Women in Automotive announced CareSuper as a major partner for its October 16 Melbourne Signature Series event. · 10 Sep 2026

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Summit Therapeutics, Inc.

smmttx.com · Biotechnology manufacturing · 251–500 employees

Last seen 1 Sep 2026 The most recent date Firmable detected Active Directory at this company.

Decision makers · 218 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Director of Protein Engineering MobileEmail
Global Development Lead MobileEmail

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

Summit Therapeutics Inc. received financing of $2B in equity investment on Sep 29th '26. · 29 Sep 2026

AstraZeneca Plc partners with Summit Therapeutics Inc. to explore Datroway and ivonescimab · 6 Oct 2026

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Brinkmann Constructors

brinkmannconstructors.com · Construction · 251–500 employees

Last seen 20 Aug 2026 The most recent date Firmable detected Active Directory at this company.

Decision makers · 283 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Director of Information Technology MobileEmail
Director of Development MobileEmail

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

Hired as their new Vice President of Environmental, Health & Safety · 10 Sep 2026

Brinkmann Constructors celebrated the topping out milestone of the VERVE Fayetteville student housing project with Subtext and Modus Studio. · 23 Sep 2026

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xeris pharmaceuticals, inc.

xerispharma.com · Biotechnology manufacturing · 251–500 employees

Last seen 25 Aug 2026 The most recent date Firmable detected Active Directory at this company.

Decision makers · 273 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Director Infrastructure and Security MobileEmail
VP of IT MobileEmail

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

Hiring: Vice President, Manufacturing and Engineering · 29 Sep 2026

Xeris Pharmaceuticals, Inc. had revenue of $83.1M on Aug 1st '26. · 1 Aug 2026

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Who uses Active Directory

A breakdown of the 58K+ companies running Active Directory.

Top industries

Information technology and services13K+
Industrial and manufacturing6.6K+
Professional and business services6.6K+
Financial services5.5K+
Health and wellness3.8K+
Construction and building3.6K+
Education and training3K+
Art, sports and recreation1.7K+

No industry recorded: 1.6K+

Company size

1–102,893 (5%)
11–506,378 (12%)
51–25016,935 (31%)
251–50010,470 (19%)
501–1,0006,047 (11%)
1,001–5,0008,631 (16%)
5,001–10,0001,790 (3%)
10,001+1,924 (3%)

Share of companies with a recorded size, by employees.

No size recorded: 2.9K+

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Frequently asked questions

About the Active Directory data on this page.

How many companies use Active Directory?

Firmable holds confirmed Active Directory detections for 58,018 distinct companies, 13,944 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.

Which companies use Active Directory?

Cresset, xeris pharmaceuticals, inc. and Brinkmann Constructors are among the most prominent in the current set.

What industries use Active Directory?

Information technology and services, industrial and manufacturing and professional and business services lead the set, across 19 industries in total.

What size companies use Active Directory?

Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.

Where are Active Directory users based?

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

How current is this data?

13,944 companies were confirmed in the last 90 days. Last detection 13 October 2026.

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