| ACAMS AS | 1191 | Norway |
| ADACEL SYSTEMS, INC. | 598 | United States |
| ADB SAFEGATE | 335 | Belgium |
| AIREON | 925 | United States |
| AIRTEL ATN | 1346 | Ireland |
| AIRWAYS NEW ZEALAND | 592 | New Zealand |
| ALES, MEMBER OF ICZ GROUP | 1263 | Czech Republic |
| ALL WEATHER, INC. | 853 | United States |
| ALTYS TECHNOLOGIES | 1137 | France |
| ANHUI SUN CREATE ELECTRONICS CO., LTD | 470 | China |
| ATCA | 201 | United States |
| ATECH NEGOCIOS EM TECNOLOGIAS | 931 | Brazil |
| ATIS UHER SA | 1301 | Switzerland |
| AT-ONE | 951 | Netherlands |
| AVINOR ANS | 1143 | Norway |
| BLACK BOX NETWORK SERVICES | 428 | Netherlands |
| BOREALIS | 1378 | United Kingdom |
| CGH TECHNOLOGIES, INC. | 488 | United States |
| CPI ANTENNA SYSTEMS DIVISION | 466 | United States |
| CS COMMUNICATION & SYSTEMES | 479 | France |
| CS SOFT | 1247 | Czech Republic |
| DF NÚCLEO | 805 | Spain |
| DFS DEUTSCHE FLUGSICHERUNG GMBH | 834 | Germany |
| DIAMOND ANTENNA AND MICROWAVE CORP | 137 | United States |
| DSNA (DIRECTION DES SERVICES DE LA NAVIGATION AÉRIENNE) | 480 | France |
| DSNA SERVICES | 480 | France |
| EASAT RADAR SYSTEMS LTD | 888 | United Kingdom |
| EIZO | 349 | Germany |
| ELDIS PARDUBICE,S.R.O | 460 | Czech Republic |
| ENAC (ECOLE NATIONALE DE L'AVIATION CIVILE) | 480 | France |
| ENAIRE | 844 | Spain |
| ENAV | 927 | Italy |
| ENGIE INEO - ENERGY & SYSTEMS | 215 | France |
| ENTRY POINT NORTH | 943 | Sweden |
| ERA A.S. | 367 | Czech Republic |
| ESTERLINE | 213 | Belgium |
| EUROCONTROL | 849 | Belgium |
| EVANS CONSOLES INCORPORATED | 303 | United States |
| EVERIS AEROSPACE AND DEFENSE | 881 | Spain |
| FREQUENTIS AG | 526 | Austria |
| GECI ESPAÑOLA S.A. | 562 | Spain |
| GERMAN AEROSPACE CENTER (DLR) | 951 | Germany |
| GUARDREC | 468 | Norway |
| GUNTERMANN & DRUNCK GMBH | 433 | Germany |
| HARRIS CORP | 426 | United States |
| HENSOLDT | 1117 | Germany |
| HUNGAROCONTROL HUNGARIAN AIR NAVIGATION SERVICES | 337 | Hungary |
| IDS INGEGNERIA DEI SISTEMI SPA | 494 | Italy |
| IHSE GMBH | 407 | Germany |
| IMTRADEX | 209 | Germany |
| INDRA | 553 | Spain |
| INECO | 845 | Spain |
| INFINITE TECHNOLOGIES, LLC | 836 | United States |
| INMARSAT | 863 | United Kingdom |
| INTEGRA A/S | 851 | Denmark |
| ISDEFE | 1145 | Spain |
| JOTRON AS. | 1157 | Norway |
| KONGSBERG | 1143 | Norway |
| LAIC AG | 803 | Switzerland |
| LEONARDO SPA | 333 | Italy |
| M.T. SRL | 1279 | Italy |
| MICRO NAV LIMITED | 542 | United Kingdom |
| MICROSTEP-MIS | 246 | Slovakia (Slovak Republic) |
| MITRE | 574 | United States |
| MOPIENS | 1213 | Korea, Republic Of |
| NANJING LES INFORMATION TECHNOLOGY CO., LTD | 301 | China |
| NATS | 826 | United Kingdom |
| NAVCANATM | 816 | Canada |
| NEDGRAPHICS B.V. | 881 | Netherlands |
| NITA, LLC | 1141 | Russian Federation |
| NORTHROP GRUMMAN | 431 | United Kingdom |
| NTT DATA CORPORATION | 881 | Japan |
| ONUR MUHENDISLIK | 1165 | Turkey |
| PLANTRONICS, INC. | 401 | United States |
| R.I.S.K. COMPANY | 1231 | Azerbaijan |
| RADOME SERVICES LLC | 207 | United States |
| RAMET A.S. | 1221 | Czech Republic |
| RAYTHEON COMPANY | 887 | United States |
| RHOTHETA ELEKTRONIK GMBH | 1255 | Germany |
| RIGIL CORPORATION | 205 | United States |
| ROCKWELL COLLINS | 955 | United Kingdom |
| ROHDE & SCHWARZ GMBH & CO. K | 586 | Germany |
| SAIPHER ATC LTDA | 1368 | Brazil |
| SEARIDGE TECHNOLOGIES | 826 | Canada |
| SENASA | 847 | Spain |
| SENNHEISER COMMUNICATIONS ATC/C3 SYSTEMS | 921 | United States |
| SITTI | 571 | Italy |
| SKYGUIDE - SWISS AIR NAVIGATION SERVICES LTD. | 1220 | Switzerland |
| SKYSOFT-ATM | 1220 | Switzerland |
| SNOWFLAKE SOFTWARE | 971 | United Kingdom |
| SOPRA STERIA | 478 | France |
| STR-SPEECHTECH LTD. | 880A | Canada |
| SUNHILLO CORPORATION | 807 | United States |
| TACO ANTENNA | 304 | Canada |
| T-CZ, A.S. | 1139 | Czech Republic |
| TELESPAZIO VEGA DEUTSCHLAND GMBH | 594 | Germany |
| TERN SYSTEMS | 953 | Iceland |
| THINK RESEARCH LTD | 339 | United Kingdom |
| THINKING SPACE SYSTEMS LIMITED | 1235 | United Kingdom |
| UFA, INC. | 882 | United States |
| UNIFLY NV | 1151 | Belgium |
| VAISALA OYJ | 446 | Finland |
| VITROCISET | 540 | Italy |
| WEY TECHNOLOGY AG | 1220 | Switzerland |
| WORLD ATM CONGRESS | 105 | United States |
| YOUYANG AIRPORT LIGHTING EQUIPMENT INC. | 359 | Korea, Republic Of |