CertDB

Top issuers

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

# Issuer Certificate count
1201 Department of Education and Training 92
1202 TGC 92
1203 FancyFon 92
1204 LG 92
1205 CONTIUM S.A. 91
1206 America Online Inc. 91
1207 MIT 91
1208 OpenProducts 91
1209 supplied 91
1210 Radio Amateurs Against Packet Radio 91
1211 CradlePoint Technology 91
1212 Banca d'Italia 91
1213 Nasuni 90
1214 University of British Columbia 90
1215 vCenter 90
1216 Socomec 90
1217 SkyNET 90
1218 OpenVPN 90
1219 CSCO 90
1220 DeployStudio 90
1221 Medtronic 90
1222 Dev 89
1223 Masterhost CJSC 89
1224 Monolith Software 89
1225 ServerAdmin 24 89
1226 Charite - Universitaetsmedizin Berlin 89
1227 Hochschule fuer Angewandte Wissenschaften Hamburg 89
1228 GIE AXA TECHNOLOGY SERVICES 89
1229 Hubris Nederland BV 89
1230 GlobalTrust 88
1231 Tollgrade Inc. 88
1232 Carnegie Mellon University 88
1233 SAIWALL 88
1234 Hochschule Darmstadt 88
1235 Aerohive 88
1236 University of Maryland 88
1237 dreturn 88
1238 beanonetwork.com 88
1239 CAS 88
1240 Delta Dore 88
1241 UniTrust 88
1242 Hitachi Data Systems 88
1243 KBKP Software 88
1244 Hochschule Furtwangen 88
1245 Deutsches Zentrum fuer Luft- und Raumfahrt e.V. (DLR) 88
1246 Nimsoft AS 87
1247 PACE 87
1248 Travian Games GmbH 87
1249 Synacor 87
1250 XenSource Inc 87
1251 Firmaprofesional S.A. NIF A-62634068 87
1252 DivX, Inc. 87
1253 Gesellschaft fuer Schwerionenforschung mbH (GSI) 87
1254 Thinstuff s.r.o. 87
1255 sis 87
1256 Advanced Super Smart Security 87
1257 TELUS 87
1258 HSBC 86
1259 WINS 86
1260 -- 86
1261 ComfortClick d.o.o. 86
1262 CC 86
1263 Deutsches Klimarechenzentrum GmbH 86
1264 Mortgage and Settlement Service Trust CA 86
1265 Blue Coat SG210 Series 86
1266 VirtualHost Website Company name 86
1267 Flex GateWay 86
1268 Guralp Systems Ltd. 86
1269 httpd2 85
1270 SonicWALLのHTTPS管理証明書(自己署名) 85
1271 my 85
1272 repica, inc. 85
1273 PCoIP Management Console 85
1274 RHUI_Org 85
1275 eScienceCA 85
1276 Inter-Tel Incorporated 85
1277 Area S.p.A. 85
1278 Thawte Certification 85
1279 logbase 84
1280 AAA 84
1281 Banque de France 84
1282 Nicira 84
1283 Rheinische Fachhochschule Koeln gGmbH 84
1284 CUHK 84
1285 cf-vps 83
1286 Universitaet zu Luebeck 83
1287 Mine 83
1288 Bb 83
1289 Seguridad 83
1290 example.com 83
1291 Universitaet der Bundeswehr Muenchen 83
1292 CNHCC 83
1293 aws.batisense.com 83
1294 TÜRKTRUST Bilgi İletişim ve Bilişim Güvenliği Hizmetleri A.Ş. (c) Nisan 2010 83
1295 Education Bureau 82
1296 Baltimore 82
1297 monext 82
1298 Anonimoose Systems 82
1299 The user Company 82
1300 Turris 82
1301 juniper.net 81
1302 Sample, Inc. 81
1303 ICT 81
1304 ETH Zurich 81
1305 AT 81
1306 FAST VUT 81
1307 vps 81
1308 DrayTek Corp. 81
1309 University of Pennsylvania 81
1310 Advanced Extranet Server 81
1311 CSL GmbH 81
1312 XRamp Security Services Inc 81
1313 Accellion Pte Ltd 81
1314 yessign 81
1315 AWS 80
1316 zTrustee 80
1317 avocent 80
1318 Verint Systems Inc. 80
1319 TBD 80
1320 Antivirus_Gateway 80
1321 Emerson Network Power 80
1322 Haivision Network Video, Inc. 80
1323 MakerBot Industries 80
1324 SURFILTER 80
1325 British Telecommunications plc 80
1326 Entrust 80
1327 UCLA 80
1328 Caradas 80
1329 Internet Initiative Japan Inc. 79
1330 DOM 79
1331 Hirschmann Automation and Control GmbH 79
1332 NTT Communications Corporation 79
1333 University of Oxford 79
1334 Sony 79
1335 RAID GUI 79
1336 Accela, Inc. 78
1337 Calix, Inc. 78
1338 COMARCH 78
1339 BlazinSeedBoxes.com 78
1340 Deutsche Bahn 78
1341 www 78
1342 WebReus BV 78
1343 Volcan 78
1344 The Chinese University of Hong Kong 77
1345 Fachhochschule Wuerzburg-Schweinfurt 77
1346 Enterasys Networks 77
1347 Fachhochschule Dortmund 77
1348 Sprint 77
1349 iCentris 77
1350 ND 77
1351 UNAM 77
1352 bj 77
1353 Helmholtz Zentrum Muenchen 76
1354 CalAmp Corp. 76
1355 my Home 76
1356 ProxySG 76
1357 Fachhochschule Muenster 76
1358 Fujitsu Limited 76
1359 Cummins Inc 76
1360 Non Trusted Certificate 76
1361 DMC 76
1362 Blue Coat SG-S500 Series 76
1363 Hochschule fuer angewandte Wissenschaften - FH Deggendorf 75
1364 Mindjet LLC 75
1365 KWC 75
1366 Four Seasons Hotels & Resorts 75
1367 Smartjog 75
1368 TRENDnet 75
1369 Eltex 75
1370 Security 75
1371 SSA 75
1372 SARE 75
1373 Webmin Webserver on localhost.localdomain 75
1374 CNR 75
1375 Boeing 75
1376 ICS 75
1377 Global Security 75
1378 Linode 75
1379 Tripleplay Services 75
1380 Sangoma Technologies, Inc 75
1381 Engineering 75
1382 Campus Berlin-Buch 74
1383 KEVAG Telekom GmbH 74
1384 Unizeto Sp. z o.o. 74
1385 MM 74
1386 TELE3 74
1387 stunnel.info 74
1388 any company 74
1389 Indonesiaeximbank 74
1390 IDSBox 74
1391 Cs 73
1392 The seeduser Company 73
1393 U.S. Census Bureau 73
1394 PA Server Monitor 73
1395 Fujitsu 73
1396 nec 73
1397 United Online Inc. 72
1398 Seeds Inc. 72
1399 SAP-AG 72
1400 Konicaminolta 72