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Companies using Let's Encrypt

As of 14 October 2026, Firmable tracks 621 companies across 13 countries running Let's Encrypt. See who they are, and who to call.

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Companies using Let's Encrypt

Showing 5 of 621 companies

Parkway Corporation

parkwaycorp.com · Commercial real estate services · 51–250 employees

Last seen 31 Aug 2026 The most recent date Firmable detected Let's Encrypt at this company.

Decision makers · 69 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Director of Capital Construction and Engineering MobileEmail
Assistant Vice President Information Technology MobileEmail

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

Parkway Corporation invested into assets: surface parking lot in Atlanta, Georgia, United States, Northern America, Americas on Sep 3rd '26. · 3 Sep 2026

Company announces latest deal in Atlanta. · 22 Sep 2026

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Affinidi

affinidi.com · Computer software · 51–250 employees

Last seen 24 Aug 2026 The most recent date Firmable detected Let's Encrypt at this company.

Decision makers · 41 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Chief Information Officer MobileEmail
Information Security Lead Program Manager MobileEmail

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

Moved into Chief Product and Technology Officer (CPTO) · 31 Jul 2026

Affinidi announces upcoming Agent Gateway and Agent Stream products for AI agent governance and trust. · 17 Aug 2026

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American Society of Plastic Surgeons

plasticsurgery.org · Medical practices and specialists · 251–500 employees

Last seen 1 Sep 2026 The most recent date Firmable detected Let's Encrypt at this company.

Decision makers · 61 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Manager of Software Development and Support MobileEmail
Network Manager MobileEmail

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

ASPS highlights CosmetAssure as the data provider for the 2025 ASPS Plastic Surgery Statistics Report. · 26 Sep 2026

ASPS offers a free e-book to guide patients through plastic surgery research and finding member surgeons. · 30 Sep 2026

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Cankdeska Cikana Community College

littlehoop.edu · Vocational and technical training · 51–250 employees

Last seen 18 Aug 2026 The most recent date Firmable detected Let's Encrypt at this company.

Decision makers · 7 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Communication & TCAP Director MobileEmail
Land Grant Director MobileEmail

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

Cankdeska Cikana Community College received financing of $2.04M in funding on Aug 27th '26. · 27 Aug 2026

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NOMS Healthcare

nomshealthcare.com · Medical practices and specialists · 251–500 employees

Last seen 23 Aug 2026 The most recent date Firmable detected Let's Encrypt at this company.

Decision makers · 46 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Director of IT applications MobileEmail
VP IT Infrastructure MobileEmail

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

Hired as their Obstetrics & Gynecology practice in Norwalk · 29 Sep 2026

NOMS Healthcare shares health and fitness advice on maintaining muscle mass during injury recovery. · 5 Oct 2026

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Who uses Let's Encrypt

A breakdown of the 621 companies running Let's Encrypt.

Top industries

Information technology and services363
Professional and business services41
Real estate and home services27
Art, sports and recreation19
Media and telecommunications18
Health and wellness17
Financial services16
Industrial and manufacturing15

No industry recorded: 48

Company size

1–10160 (63%)
11–5047 (19%)
51–25028 (11%)
251–5008 (3%)
501–1,0002 (1%)
1,001–5,0006 (2%)
5,001–10,0002 (1%)
10,001+1 (<1%)

Share of companies with a recorded size, by employees.

No size recorded: 367

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Frequently asked questions

About the Let's Encrypt data on this page.

How many companies use Let's Encrypt?

Firmable holds confirmed Let's Encrypt detections for 621 distinct companies, 333 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.

Which companies use Let's Encrypt?

Parkway Corporation, NOMS Healthcare and Cankdeska Cikana Community College are among the most prominent in the current set.

What industries use Let's Encrypt?

Information technology and services, professional and business services and real estate and home services lead the set, across 19 industries in total.

What size companies use Let's Encrypt?

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

Where are Let's Encrypt users based?

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

How current is this data?

333 companies were confirmed in the last 90 days. Last detection 20 September 2026.

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