Top issuers

The most active issuers of SSL certificates in the world. Full list of issuers, actual counts of signed certificates.

# Organization Certificate count
1 COMODO CA Limited 2 337 656
2 Let's Encrypt 2 035 225
3 GeoTrust Inc. 1 465 833
4 GoDaddy.com, Inc. 1 453 456
5 LANCOM Systems GmbH 1 270 350
6 Research In Motion Limited 1 003 127
7 GlobalSign nv-sa 680 616
8 cPanel, Inc. 677 738
9 Western Digital 653 729
10 D-LINK 543 567
11 Hitron Technologies 471 549
12 SomeOrganization 468 186
13 DigiCert Inc 433 543
14 CableLabs, Inc. 423 014
15 HTTPS Management Certificate for SonicWALL (self-signed) 397 758
16 thawte, Inc. 382 393
17 HP 360 415
18 Symantec Corporation 354 141
19 Technicolor 326 527
20 Parallels 270 253
21 VeriSign, Inc. 244 398
22 2Wire 243 007
23 StartCom Ltd. 224 112
24 Fortinet Ltd. 210 498
25 Cisco Systems, Inc. 204 033
26 Starfield Technologies, Inc. 194 056
27 VMware Installer 163 357
28 INFOSEC 159 735
29 Amazon 154 628
30 Entrust, Inc. 146 623
31 Ruckus Wireless, Inc. 142 779
32 Cisco-Linksys, LLC 117 724
33 LANCOM Systems 115 518
34 Scientific-Atlanta, Inc. 106 945
35 Hewlett-Packard Co. 98 867
36 Fortinet 89 238
37 THOMSON 84 511
38 D-Link Corporation 84 314
39 Internet2 81 554
40 TERENA 80 102
41 Synology Inc. 78 918
42 AlphaSSL 75 440
43 Internet Widgits Pty Ltd 74 786
44 Unknown 73 282
45 EasyBox 62 340
46 none 61 227
47 dionaea.carnivore.it 59 497
48 EMC Corporation 59 054
49 Polycom Inc. 57 423
50 Network Solutions L.L.C. 56 810
51 Hewlett-Packard Company 54 363
52 WatchGuard 53 926
53 Western Digital Technologies 45 732
54 Cybertrust Japan Co., Ltd. 40 351
55 Cyberoam 40 307
56 The USERTRUST Network 35 606
57 TiVo Inc. 35 600
58 Trustwave Holdings, Inc. 35 039
59 Systech Corporation 34 377
60 XX 33 508
61 QuoVadis Limited 32 089
62 TrustAsia Technologies, Inc. 30 484
63 Gandi 29 367
64 Netgear 27 513
65 OmniPCX Office 26 466
66 CompanyName 25 659
67 VMware, Inc. 25 530
68 Super Micro Computer 25 114
69 XYZ Corporation 24 866
70 LenovoEMC 24 404
71 Root CA 23 758
72 Unizeto Technologies S.A. 23 234
73 WoSign CA Limited 21 383
74 SECOM Trust Systems CO.,LTD. 21 280
75 GANDI SAS 20 283
76 Firstserver, Inc 20 133
77 OVH 19 445
78 SOASTA, Inc. 19 430
79 TurnKey Linux 19 362
80 Home 18 382
81 Cybertrust Inc 18 035
82 Equifax 17 909
83 Cisco-Linksys,LCC 17 802
84 Hikvision 17 636
85 TemporaryDefaultCertificate 17 411
86 Default Company Ltd 16 103
87 MyCompany 15 688
88 Microsoft Corporation 15 530
89 HP-IPG 14 284
90 Snake Oil, Ltd 14 229
91 March Networks 13 673
92 SonicWALL, Inc. 13 644
93 Kronos Incorporated 13 115
94 NETASQ - Secure Internet Connectivity 13 044
95 British Broadcasting Corporation 11 710
96 home.pl S.A. 11 622
97 T-Systems International GmbH 11 585
98 Xerox Corporation 11 554
99 National Institute of Informatics 11 481
100 Ubiquiti Networks 11 081
101 MobileIron 10 876
102 Hillstone Networks 10 796
103 Bluesocket, Inc. 10 536
104 SWsoft, Inc. 10 492
105 Netgear Inc. 10 341
106 Verizon Enterprise Solutions 10 327
107 Servision Inc. 10 210
108 Corporation Service Company 9 722
109 Hewlett Packard 9 653
110 PVE Cluster Manager CA 9 652
111 Mitel Networks Corporation 9 560
112 TAIWAN-CA 9 539
113 Globe Hosting, Inc. 9 510
114 D-Link Taiwan 9 344
115 SSL.com 9 009
116 Thawte Consulting cc 8 958
117 Apache HTTP Server 8 928
118 Intermediate Certificate 8 813
119 Bitrix 8 289
120 Siemens 8 100
121 YouCorp 8 065
122 SSL 7 954
123 Equifax Secure Inc. 7 527
124 Trust Provider B.V. 7 438
125 Mitel Networks 7 424
126 PCoIP Root 7 383
127 SECUREWORKS 7 355
128 CAcert Inc. 7 304
129 Elitecore 7 027
130 Lexmark 6 961
131 TPLINK 6 880
132 KDDI Web Communications Inc. 6 709
133 SwissSign AG 6 466
134 My Company Ltd 6 348
135 SecureCore 6 337
136 Actalis S.p.A./03358520967 6 204
137 Zimbra Collaboration Server 6 149
138 MitraStar 5 971
139 KEYNECTIS 5 872
140 Nijimo, Inc. 5 819
141 My Company 5 805
142 sangfor 5 795
143 Dreambox 5 621
144 Lowe's Companies Inc. 5 538
145 DREAMSCAPE NETWORKS FZ-LLC 5 510
146 U.S. Government 5 492
147 Trusted Secure Certificate Authority 5 387
148 EUNETIC GmbH 5 142
149 Cisco Systems 5 012
150 Google Inc 4 978
151 Parallels, GmbH. 4 821
152 Avaya Inc 4 651
153 Ministere education nationale (MENESR) 4 603
154 Uber 4 572
155 Dell Inc. 4 558
156 PBX 4 529
157 Government of Korea 4 270
158 VeriSign Trust Network 4 230
159 Trend Micro Inc 4 145
160 Dell SonicWALL 4 015
161 TBS INTERNET 3 899
162 Privat 3 813
163 Intergenia AG 3 809
164 McAfee 3 756
165 Untangle 3 752
166 Private 3 665
167 IT 3 656
168 DLINK 3 634
169 CloudFlare, Inc. 3 550
170 Default Organization 3 509
171 KEMP Technologies 3 488
172 Neo Services 3 359
173 Vyatta Inc. 3 306
174 Hewlett-Packard 3 257
175 NetLock Kft. 3 136
176 Register.com 3 089
177 LLC 3 068
178 SuSE Linux Web Server 3 022
179 AhnLab, Inc. 2 977
180 Conel s.r.o. 2 903
181 Blue Coat SG600 Series 2 889
182 steptech 2 878
183 Default Random Certification 2 877
184 Company, Inc 2 822
185 Ideco 2 738
186 Karlsruhe Institute of Technology 2 722
187 SecureTrust Corporation 2 704
188 KAGOYA JAPAN Inc. 2 701
189 CambiumNetworks 2 657
190 Lantern 2 642
191 Verein zur Foerderung eines Deutschen Forschungsnetzes e. V. 2 606
192 Sharp Corporation 2 570
193 My Com 2 529
194 wtf 2 502
195 Huawei 2 495
196 FBS Inc 2 456
197 Citrix ANG 2 427
198 Japan Registry Services Co., Ltd. 2 413
199 pfSense webConfigurator Self-Signed Certificate 2 395
200 Schneider Electric Buildings Operation 2 378