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Category answer

TLS and Certificates

30,871,966

companies run at least one of the 12 technologies in it, 56.6% of 54,527,857 in the index. Landing 12 Sept 2026.

Certificate authorities and TLS configuration signals.

The subcategories

Companies running any technology in eachof 30,871,966 in TLS and Certificateslanding 12 Sept 2026

A company running technologies in two subcategories is counted in both, so the shares do not sum to 100%

The 3 subcategories in this chart
SubcategoryCompaniesShare of the category
TLS libraries and stacks28,940,77393.7%
Certificate authorities3,107,01610.1%
Certificate management platforms580,0801.9%

The technologies ranked in TLS and Certificates

Companiesof 30,871,966 with any of themlanding 12 Sept 2026

#
Technology
Vendor
Companies
Share
1
IETF
18,653,788
60.4%
2
Sectigo
2,773,483
9.0%
3
Amazon Web Services
580,080
1.9%
4
DigiCert, Inc.
296,762
0.96%
5
Thawte
30,112
0.10%
6
Internet Security Research Group (ISRG)
10,681
0.03%
7
GlobalSign
52
<0.01%
8
IdenTrust
43
<0.01%
9
Entrust Corporation
42
<0.01%
10
GoDaddy
0
no share

10 of 12 technologiesa company running two of them is counted in both, so the shares do not sum to 100%under 20 companies no share is published

2 of the 10 most detected technologies here sit under the publication gate on detector quality of 0.90, so they are listed rather than ranked: Schannel 11,757,967, Really Simple SSL & Security 1,502,496.

One click under this answer

Technology answerHSTSThe first row of this ranking, with its companies by month since January 2021.
Domain of the taxonomy

Security and Identity

The top of the tree. 12 technologies sit under this category.

CatalogueEvery technology, rankedFiltered to this category with ?category=tls-certificates.