| ACAMS AS | 1249 | Norway |
| ADACEL SYSTEMS, INC. | 598 | United States |
| ADB SAFEGATE | 365 | Belgium |
| AERIAL & MARITIME LTD. | 159 | Denmark |
| AEROBITS SP. Z O.O. | 1304 | Poland |
| AEROMACS - WIMAX FORUM | 117 | United States |
| AIR NAVIGATION SERVICES OF THE CZECH REPUBLIC | 885 | Czech Republic |
| AIR NAVIGATION SOLUTIONS LIMITED | 834 | United Kingdom |
| AIR TRAFFIC TECHNOLOGY INTERNATIONAL | 135 | United Kingdom |
| AIRBUS | test526 | France |
| AIREON | 925 | United States |
| AIRMAP | 1202 | United States |
| AIRPORT SYSTEMS ENGINEERING LTD. | 1342 | United Kingdom |
| AIRSHARE LTD. | 592 | New Zealand |
| AIRTEL-ATN, LTD. | 1350 | Ireland |
| AIRTOPSOFT, A TRANSOFT SOLUTIONS COMPANY | 1245 | Belgium |
| AIRWAYS NEW ZEALAND | 592 | New Zealand |
| ALES, MEMBER OF ICZ GROUP | 955 | Czech Republic |
| ALL WEATHER, INC. | 853 | United States |
| ALTYS TECHNOLOGIES | 973 | France |
| ANHUI SUN CREATE ELECTRONICS CO., LTD | 333 | China |
| ASSMANN TELECOM | 153 | France |
| ATCA | 201 | United States |
| ATECH NEGÓCIOS EM TECNOLOGIAS SA | 349 | Brazil |
| ATEN | 496 | Belgium |
| AT-ONE | 931 | Netherlands |
| ATRICS | 828 | Germany |
| ATS DATA DESIGN | 1101 | Denmark |
| AVIATION FOR EUROPE | 1151 | Belgium |
| AZERAERONAVIGATION | 499 | Azerbaijan |
| AZIMUT | 270 | Russian Federation |
| BIRAL | 1175 | United Kingdom |
| BLACK BOX | 428 | Netherlands |
| BRIDGENET INTERNATIONAL A TETRATECH COMPANY | 1346 | United States |
| CADMOS MICROSYSTEMS SRL | 1165 | Italy |
| CAMBRIDGE PIXEL LTD. | 1394 | United Kingdom |
| CANSO | 403 | Netherlands |
| CGX AERO | 1267 | France |
| CIVIL AVIATION AIR TRAFFIC CONTROL TECHNOLOGY EQUIPMENT DEVELOPMENT CO., LTD. | 967 | China |
| COASTAL ENVIRONMENTAL SYSTEM | 207 | United States |
| COFLIGHT CLOUD SERVICES | 379 | France |
| COLLINS AEROSPACE | 1161 | United States |
| COOPANS | 957 | Denmark |
| COPPERCHASE LTD. | 1360 | United Kingdom |
| CROATIA CONTROL | 1145 | Croatia |
| CS | 479 | France |
| CS SOFT A.S. | 460 | Czech Republic |
| CYRRUS LTD. | 1324 | United Kingdom |
| DANUBE FAB | 1157 | Bulgaria |
| DFS AVIATION SERVICES GMBH | 834 | Germany |
| DFS DEUTSCHE FLUGSICHERUNG GMBH | 834 | Germany |
| DIAMOND ANTENNA AND MICROWAVE | 137 | United States |
| DLR | 931 | Germany |
| DSNA (DIRECTION DES SERVICES DE LA NAVIGATION AÉRIENNE) | 480 | France |
| DTN | 242 | United States |
| EANS | 975 | Estonia |
| EASAT RADAR SYSTEMS LTD. | 888 | United Kingdom |
| EDDA SYSTEMS | 1233 | Norway |
| EGIS | 351 | France |
| EGNOS | 1141 | Spain |
| EIZO TECHNOLOGIES GMBH | 367 | Germany |
| ELDIS PARDUBICE, S.R.O. | 460 | Czech Republic |
| ELECTRONIC NAVIGATION RESEARCH INSTITUTE | 883 | Japan |
| ELSIS PRO | 155 | Lithuania |
| ENAC (ECOLE NATIONALE DE L'AVIATION CIVILE) | 480 | France |
| ENAIRE | 844 | Spain |
| ENAV | 927 | Italy |
| ENGIE SOLUTIONS | 892 | France |
| ENTRY POINT NORTH - ATS ACADEMY | 943 | Sweden |
| ERA A.S. | 1159 | Czech Republic |
| EUROPE FOR AVIATION - STAND | 849 | Belgium |
| EVANS CONSOLES | 1103 | Canada |
| EVENTIDE, INC. | 1344 | United States |
| EVERIS AEROSPACE, DEFENSE AND SECURITY | 1137 | Spain |
| EXFO HOMELAND SECURITY | 177 | Finland |
| FEDERAL AVIATION ADMINISTRATION (FAA) | 893 | United States |
| FLIGHTAWARE | 1303 | United States |
| FRANCE AVIATION CIVILE SERVICES | 480 | France |
| FREQUENTIS AG | 526 | Austria |
| GENERAL DYNAMICS MISSION SYSTEMS | 158 | United States |
| GESAB | 881 | Spain |
| GLARUN TECHNOLOGY CO., LTD. | 333 | China |
| GLOBAL AIR TRAFFIC CONTROL ALLIANCE | 1306 | United States |
| GLOBAL ATS LTD. | 446 | United Kingdom |
| GLOONE, LDA | 1171 | Portugal |
| GLOSS S.R.L | 139 | Italy |
| GMV | 1362 | Spain |
| GROUPEAD EUROPE S.L. | 590 | Spain |
| GUARDREC AS | 1222 | Norway |
| GUNTERMANN & DRUNCK GMBH | 433 | Germany |
| HAVELSAN | 272 | Turkey |
| HELIOS | 351 | United Kingdom |
| HENSOLDT | 1117 | Germany |
| HFC HUMAN-FACTORS-CONSULT GMBH | 221 | Germany |
| HIS HERMIEU INTERNATIONAL SUPPLY | 880B | France |
| HUNGAROCONTROL ZRT. | 335 | Hungary |
| IACIT | 1167 | Brazil |
| IDS AIRNAV | 1119 | Italy |
| IHSE GMBH | 407 | Germany |
| IMTRADEX GMBH | 209 | Germany |
| INDRA | 553 | Spain |
| INECO | 845 | Spain |
| INFINITE TECHNOLOGIES RCS, INC. | 836 | United States |
| INMARSAT AVIATION | 863 | United Kingdom |
| INNOVATM | 375 | France |
| INSERO AIR TRAFFIC SOLUTIONS | 446 | Denmark |
| INTEGRA | 851 | Denmark |
| INTERSOFT ELECTRONICS NV | 891 | Belgium |
| ISAVIA | test123 | Iceland |
| ISDEFE | 1235 | Spain |
| JOTRON | 1259 | Norway |
| KNÜRR CONSOLES - CONTROL ROOM INFRASTRUCTURE | 1247 | Germany |
| KONGSBERG DEFENCE & AEROSPACE AS | 1143 | Norway |
| KPGEO SP. Z O.O. | 175 | Poland |
| L3HARRIS ESSCO | 1228 | United States |
| L3HARRIS TECHNOLOGIES | 923 | United States |
| LEIDOS | 405 | United States |
| LEONARDO | 890 | Italy |
| LOGIPIX LTD. | 1258 | Hungary |
| LS TELCOM AG | 151 | Germany |
| LUNDHALSEY | 1212 | United Kingdom |
| M-CLICK.AERO GMBH | 221 | Germany |
| MEMOTEC, A WHOLLY OWNED SUBSIDIARY OF COMTECH EF DATA | 1368 | Canada |
| MEP | 1360 | Netherlands |
| METRON AVIATION, INC. | 498 | United States |
| MICRO NAV LIMITED | 542 | United Kingdom |
| MICROSTEP-MIS | 1265 | Slovakia |
| MM AVIATION LTD. | 1370 | United Kingdom |
| MOBILE ATC SYSTEMS LTD. | 1342 | United Kingdom |
| MOOG INC. | 1396 | United States |
| MOPIENS, INC. | 147 | Korea, Republic Of |
| MOVINGDOT BV | 1354 | Netherlands |
| NANJING LES INFORMATION TECHNOLOGY CO., LTD | 333 | China |
| NATS | 826 | United States |
| NAUTEL | 1302 | Canada |
| NAVBLUE | 498 | France |
| NAVCANATM | 816 | Canada |
| NEW INFORMATION TECHNOLOGIES IN AVIATION, LLC | 586 | Russia |
| NLR - ROYAL NETHERLANDS AEROSPACE CENTRE | 931 | Netherlands |
| NOKIA | 215 | Finland |
| NÚCLEO - GRUPO AMPER | 898 | Spain |
| OCEM AIRFIELD TECHNOLOGY | 149 | Italy |
| ONESKY | 1271 | United States |
| ONUR ENGINEERING | 1224 | Turkey |
| PARK AIR SYSTEMS LIMITED | 431 | United Kingdom |
| POLISH AIR NAVIGATION SERVICES AGENCY | 276 | Poland |
| POLOMARCONI.IT SPA | 1263 | Italy |
| POLY (PLANTRONICS) | 900 | United States |
| R.I.S.K. COMPANY | 1204 | Azerbaijan |
| RADIOMETRICS | 171 | United States |
| RADOME SERVICES LLC | 205 | United States |
| RAMET A.S. | 1221 | Czech Republic |
| RAYTHEON | 1105 | United States |
| RETIA, A.S. | 460 | Czech Republic |
| RHEINMETALL AIR DEFENCE AG | 278 | Switzerland |
| RHOTHETA ELEKTRONIK GMBH | 1169 | Germany |
| ROHDE & SCHWARZ GMBH & CO. KG | 562 | Germany |
| ROHDE & SCHWARZ GMBH & CO.KG | 562A | Germany |
| RTS | 373 | Russian Federation |
| RYMSA - SENER AEROESPACIAL | 971 | Spain |
| SAAB | 305 | United States |
| SAINT-GOBAIN | 1301 | United States |
| SAIPHER ATC | 1200 | Brazil |
| SCINTEC | 1163 | Germany |
| SCIOTEQ | 213 | Belgium |
| SEARIDGE TECHNOLOGIES | 1231 | Canada |
| SENASA (SERVICIOS Y ESTUDIOS PARA LA NAVEGACIÓN AÉREA Y LA SEGURIDAD AERONÁUTICA S.M.E. M.P. S.A.) | 847 | Spain |
| SENNHEISER COMMUNICATIONS | 921 | Denmark |
| SHENYANG AEROTECH CO., LTD. | 967 | China |
| SI ATM | 1261 | Sweden |
| SIEMENS | 173 | Canada |
| SISTEMAS Y MONTAJES INDUSTRIALES, SA | 258 | Spain |
| SITAONAIR | 371 | Switzerland |
| SITTI | 571 | Italy |
| SKYSOFT-ATM | 1220 | Switzerland |
| SNOWFLAKE SOFTWARE | 1214 | United Kingdom |
| SOLACE | 1372 | Canada |
| SOLAR SOLVE, LTD. | 187 | United Kingdom |
| SOPRA STERIA | 488 | France |
| STR-SPEECHTECH, LTD. | 880A | Canada |
| SUNHILLO CORPORATION | 807 | United States |
| SYSNAV | 1177 | France |
| TACO ANTENNA | 1101 | Canada |
| T-CZ, A.S. | 1139 | Czech Republic |
| TERMA A/S | 1338 | Denmark |
| TERN SYSTEMS | 337 | Iceland |
| THALES | 515 | France |
| THE MITRE CORPORATION | 574 | United States |
| THE SECOND RESEARCH INSTITUTE OF CAAC | 967 | China |
| THINK RESEARCH LIMITED | 1135 | United Kingdom |
| THINKING SPACE SYSTEMS LIMITED | 240 | United Kingdom |
| THRUPUT LIMITED | 1201 | United Kingdom |
| TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATION | 369 | Japan |
| UFA, INC. | 882 | United States |
| UNIFLY | 239 | Belgium |
| VAISALA | 572 | Finland |
| VITROCISET | 540 | Italy |
| VNIIRA-OVD JSC | 1251 | Russian Federation |
| VOICECOLLECT GMBH | 145 | Germany |
| WIDE/FORESEESON GMBH | 1210 | Germany |
| WORLD ATM CONGRESS | 105 | United States |
| YOUYANG AIRPORT LIGHTING EQUIPMENT, INC. | 361 | Korea, Republic Of |
| ZHENGZHOU HUAHANG TECHNOLOGY CO., LTD. | 965 | China |