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You are viewing an outdated report. The latest version of this report was published on May 1st, 2022

Certificate Authority Market Share Report
May 1st, 2000

Report Description
This report, much like our original certs and CAs report, focuses on issuers of SSL enabling certificates found on web servers. Unlike our original report, however, this report has a couple of key differences to it:

  • Reports on top 100 CAs. The original report only paid attention to the major CAs at the time the report was produced. This report lists the top 100 CAs for the month. You will find here many self-signing organizations such as universities, telecommunications firms, etc.
  • Uses issuer name as identifier. Our original report only counted a certificate towards an organization if we were able to prove, by virtue of verifying the key, that the organization in question actually signed the certificate. This had a notable problem with it - we don't always have the public key of the CA. In at least one case, a CA doesn't make their public key available unless you sign a license agreement.

    This report doesn't have that problem, since it only uses the issuer Organization Name to uniquely identify the issuing CA.

CA April 2000
April 2000
March 2000
March 2000
Snake Oil, Ltd5040.894630.863.16
Equifax Secure Inc1360.24900.1743.20
Esat Net1330.231380.26-8.67
CETI s.c.930.16970.18-9.14
BusinessNet Danmark920.16980.18-11.04
BroadBand Communications, Inc.830.15840.16-6.36
Corpex Ltd810.14860.16-10.74
zNET Internet Services670.1200.00N/A
Franke & Partner630.11640.12-6.72
Netland Internet Services590.10590.11-5.23
PAZ - Editora Multimedia, Lda540.09570.11-10.22
Angela Instruments530.0900.00N/A
TAT GmbH490.09490.09-5.23
Media3 Technologies L.L.C.450.08610.11-30.09
Onyx Internet440.08510.09-18.24
Web Hosting430.08410.08-0.61
SGH Internet Division400.0700.00N/A
DeZines Web Hosting360.06380.07-10.22
Vest Internett350.06360.07-7.87
TC TrustCenter for Security in Data Networks GmbH350.06310.066.99
Deutsche Telekom AG350.06330.060.51
MBnet Networking Inc.330.0600.00N/A
Thawte Certification320.06310.06-2.18
Alleanza I.T.B.300.05320.06-11.16
Marketing Factory Consulting GmbH280.05270.05-1.73
University of Florida260.05260.05-5.23
DeZines Web Hosting Corporation260.05300.06-17.87
ANET St. Louis240.04250.05-9.03
Superb Internet Corp.230.04230.04-5.23
the Internet Outlet220.04220.04-5.23
Inter Clear Service Ltd220.04210.04-0.72
ChilNet S.A.220.04180.0315.82
BelSign NV210.04350.06-43.14
Kommunikationssysteme ShE GmbH190.03230.04-21.72
Internet Marketing Services, LLC190.03190.04-5.23
Indra's Net, Inc.190.03330.06-45.44
CyberGate Hosting190.03290.05-37.91
UUNET UK180.03150.0313.72
U.S. Government180.03190.04-10.22
Makolab s.c.180.03180.03-5.23
IndyWeb Inc.180.03180.03-5.23
Webkeepers Limited170.03200.04-19.45
WebNexus Communications170.03180.03-10.50
Wantree Internet170.03170.03-5.23
Domains Worldwide170.0300.00N/A
Digital Visions170.03170.03-5.23
Powersurge Technologies, Inc.160.03160.03-5.23
Netlink, Inc.160.03160.03-5.23
My Company Ltd160.03110.0237.84
GlobalSign nv-sa150.03140.031.53
For Demo Purposes Only150.03250.05-43.14
Massachusetts Institute of Technology140.02180.03-26.29
Marketwizz Internet Solutions130.02120.022.66
Kubota Systems Inc.130.02130.02-5.23
CyberGate, Inc.130.02130.02-5.23
Covalent Technologies, Inc.130.02140.03-12.00
Spekter Bergen AS120.02210.04-45.85
Schell Computersysteme110.0290.0215.82
ProSalg as110.02110.02-5.23
KPNQwest Czechia s.r.o110.0200.00N/A
InterX Technologies110.02100.024.24
Fishnet NewMedia110.02130.02-19.81
Dialtone Internet110.0200.00N/A
dgSoft Internet Sevices100.02100.02-5.23
Swisskey AG100.0280.0118.46
Peter Andritsch, WebSolutions100.0200.00N/A
National Institutes of Health100.0290.025.29
Internet Solutions100.02110.02-13.85
A&S Systemtechnik100.02100.02-5.23
Sistema S.A90.0200.00N/A
QDnet ISP90.0280.016.61
MFM Communication Software, Inc.90.02120.02-28.93
Linux Test Server90.0200.00N/A
Internet Widgits Pty Ltd90.0200.00N/A
WorldSpice Technologies, Inc.80.01100.02-24.19
University of Oulu80.0180.01-5.23
Media3 Inc80.0180.01-5.23
IPS Seguridad CA80.0190.02-15.76
Communique, Inc.80.0100.00N/A
CHT Software Service GmbH80.0100.00N/A
Xtended Internet70.0180.01-17.08

Note: Readers are cautioned that the Growth percentages are based on a CA's market share penetration rather than the absolute number of certificates we detected. Thus, it is possible for the number of certificates to increase, while the growth is actually a negative value.

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