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75,317
Technologies tracked, each matched to the companies running them and who to call.
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 fileSenior people on file at this company. Firmable holds their names, emails and mobiles.
Director of Capital Construction and EngineeringMobileEmail
Assistant Vice President Information TechnologyMobileEmail
Unlock names, emails and mobiles in the trial.
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
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.