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