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