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Top issuers

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

# Issuer Certificate count
1001 PRIV 127
1002 Generalitat Valenciana 126
1003 CPoint Corporation 126
1004 Aaron's Certificate Authority 126
1005 Redwood Software Nederland BV 125
1006 FortiVoice 125
1007 IdenTrust LLC. 125
1008 ScienceLogic, Inc. 124
1009 Farmington Municipal Schools 123
1010 2Wire Inc 123
1011 SAIC 123
1012 user-PC 123
1013 UNICAMP 123
1014 Lloyds TSB Bank plc 122
1015 Non-Governmental 122
1016 france telecom 122
1017 Westermo Teleindustri AB 121
1018 Internap Network Services Corporation 121
1019 Purdue University 121
1020 digitalSTROM.org 121
1021 Packet Design 121
1022 ROOT 121
1023 Allianz Group 121
1024 Unilever 120
1025 University of Oslo 120
1026 Nimsoft 120
1027 HKUST 120
1028 HTTPS Management Certificate for ADTRAN (self-signed) 120
1029 ANCE 120
1030 GAD EG 120
1031 Gouv 120
1032 Bibliotheksservice-Zentrum Baden-Wuerttemberg 120
1033 Cooper Industries 120
1034 VoloAccess VA125 120
1035 Leadsec Ltd. 120
1036 Hochschule Heilbronn 119
1037 Noction 119
1038 CNNIC SSL 119
1039 Unipay Root CA 118
1040 Kubota Systems Inc. 118
1041 Actalis S.p.A. 118
1042 Serveradmin.pl s.c. 118
1043 Some Organization 117
1044 Flynn 116
1045 Ubersmith 116
1046 Noname 116
1047 IceWarp Limited 116
1048 KPN 115
1049 WEB 115
1050 Synology 115
1051 Imprivata 115
1052 Universitaet Marburg 115
1053 Prvni certifikacni autorita a.s. 115
1054 YunoHost 114
1055 zzz 114
1056 Dovecot mail server 114
1057 Türkiye Bilimsel ve Teknolojik Araştırma Kurumu - TÜBİTAK 113
1058 TC TrustCenter for Security in Data Networks GmbH 113
1059 NEC Corporation 113
1060 T-Systems 113
1061 undefined organisation 113
1062 gocept gmbh & co. kg 113
1063 Fachhochschule Koeln 113
1064 University of Leicester 113
1065 VISA 113
1066 Martin-Luther-Universitaet Halle-Wittenberg 112
1067 Se.Co.Ges. 112
1068 XXX 112
1069 Fcovoip 112
1070 Acme Co 112
1071 Funkwerk IP Appliances GmbH 111
1072 RETIRED 111
1073 Guoheng United Ltd. 111
1074 TrendMicro 111
1075 Firmaprofesional S.A. 110
1076 Camera di Commercio 110
1077 CIRCUTOR S.A. 110
1078 NGO 110
1079 IND Consulting 109
1080 Pantheon Systems, Inc. 109
1081 AudioCodes 109
1082 .masterhost 109
1083 Die Schweizerische Post 109
1084 Hochschule Osnabrueck 109
1085 BIT 109
1086 CSC 108
1087 Deutscher Bundestag 108
1088 Fuji Xerox 108
1089 Massachusetts Institute of Technology 108
1090 Moxa Networking Co., Ltd. 108
1091 General Mills 108
1092 Some Company, Inc. 107
1093 vps.server.com 107
1094 Bosch Security Systems Pte Ltd 107
1095 Apache Software Foundation 107
1096 your organisation 106
1097 BlowUp Imaging 106
1098 Emerson Process Management 106
1099 W-ibeda High Tech 106
1100 dockergenerated 106
1101 Axentraserver Default Certificate 863B4AB 106
1102 SofaWare 106
1103 NTT 106
1104 HK 106
1105 Swisscom IT Services AG 106
1106 MULTICERT-CA 106
1107 Osvaldo Fantini & Cía. SRL 105
1108 Intuit 105
1109 IT Watchdogs, Inc. 105
1110 There Corporation 105
1111 S2 Security Corporation CA 105
1112 "Mobile Payment Systems LLC" 104
1113 NAMCO BANDAI Games Inc. 104
1114 Yamato System Development Co., Ltd. 104
1115 MasterCard Worldwide 103
1116 VIVOTEK Inc. 103
1117 University of Minnesota 103
1118 IdenTrust Inc. 103
1119 Universitaet Greifswald 103
1120 StarLeaf 102
1121 Posto Pinheiro 102
1122 NI Consulting Co.,LTD 102
1123 The BOX4SEED Company 102
1124 CA Technologies, Inc. 101
1125 HotLink Corp 101
1126 Avira GmbH 101
1127 Lumeta Corporation 101
1128 TÜRKTRUST Bilgi İletişim ve Bilişim Güvenliği Hizmetleri A.Ş. (c) Kasım 2005 101
1129 Intradyn 101
1130 THINline interactive s.r.o. 100
1131 TÜRKTRUST Bilgi İletişim ve Bilişim Güvenliği Hizmetleri A.Ş. 100
1132 Forget About IT Ltd. 100
1133 Coop 100
1134 QCM, s.r.o. 100
1135 ESG de Electronische Signatuur B.V. 100
1136 Calaos 100
1137 unset 99
1138 MyHome 99
1139 Nessus Users United 99
1140 Zentera Systems Inc 99
1141 BIGLOBE Inc. 99
1142 CFCA Operation CA2 99
1143 Digital Cheetah 99
1144 80 Code Consulting LLC 99
1145 National Instruments 99
1146 SNCF 99
1147 MultiMed 99
1148 arvato systems GmbH 98
1149 Anchor Systems Pty Ltd 98
1150 Matrix 98
1151 SchoolAdmin 97
1152 Familie 97
1153 Yealink Network Technology Co.,Ltd. 97
1154 SHECA 97
1155 trgergfg 97
1156 Citypassenger 97
1157 OPENLANE, Inc. 97
1158 North Carolina State University 97
1159 Salt Stack 97
1160 LAB 97
1161 Mchost 97
1162 ARUMOVISTAR 97
1163 Bergische Universitaet Wuppertal 96
1164 RBC 96
1165 Blue Coat SG8100 Series 96
1166 NBox Inc 96
1167 HLCSD 96
1168 ITSO 96
1169 1 96
1170 AT&T 96
1171 VoloAccess VA122V 96
1172 Bundesanstalt fuer Landwirtschaft und Ernaehrung (BLE) 96
1173 Kibana 95
1174 INFORMATION REQUESTED PER BEST E 95
1175 No Company 95
1176 GTE Corporation 95
1177 Aleric Technology Inc 95
1178 FIREEYE 95
1179 Debian 94
1180 ADP 94
1181 POP.PL 94
1182 NetentSec 94
1183 TOTAL 94
1184 TipSec Inc. 94
1185 Juniper Networks 94
1186 PaperG 94
1187 Inera AB 93
1188 AirTight Networks 93
1189 Comcast 93
1190 iii 93
1191 InsideSales.com 93
1192 Soft Logic 93
1193 captif 93
1194 Place Holder 93
1195 CORESense Inc. 92
1196 EPM Inc. 92
1197 Hochschule Wismar 92
1198 Samsung Electronics 92
1199 Department of Education and Training 92
1200 FancyFon 92