4D - Aerospace Research & Simulation	R103
ACAMS AS	Not assigned
AC-B GmbH	R511
Adacel Inc	R202
ADPi	H717
AENA	D410
Aeronautical & General Instruments Ltd	D128
Aerotechnica	R304
Air Traffic Control Association (ATCA)	R308
Air Traffic Management	H822
Air Traffic Technology International	R310
Airbus	H504
Airservices UK	H615
Airtel ATN	H800
Airways International	R403
ALES Ltd Strakonice	D206
All Weather Inc	D109
Altran Praxis	R307
Ambicon	H808
APAC GesmbH	D208
ARTISYS S.R.O.	R408
ASC Signal Corporation	R304B
ATC Network	R407
Atech Negocios em Tecnologias SA	R311
ATIS systems GmbH	H116
Atkins	H210
AT-One	H518
Atos Origin	H519
ATRiCS GmbH & Co. KG	H421
ATS Data Design	D308
AviBit	H723
Avitech AG	H718
Aydin Displays Inc.	D210
Barco NV	H212
Beel Technologies Inc	R502A
Boeing	H500
Buerhoop GmbH & Co. KG	H115
Cadmos Microsystems	R410
CANI - Air Navigation Services of the Czech Republic	D307
CANSO	D400
Certisa Ltd	H511
CGX Aero in sys	H320A
Clement Clarke Communications	H821
Coastal Environmental Systems Inc	H702
Cobham	D401
Combitech AB	D308
COMSOFT GmbH	H216
Copperchase Ltd	H418
CS Soft Inc.	R303
C-Speed	H513
delair Air Traffic Systems GmbH	H417
DFS Deutsche Flugsicherung GmbH	H208
Diamond Antenna & Microwave Corporation	R107
Dilogos Sprl	D512
Dot Technologie	R602
DW International Ltd	H809
EADS Defence & Security	H504
Easat Antennas Ltd	D509
Edda Systems AS	D501
eg-electronic GmbH	H614
EGIS Avia	H103
Eizo Nanao Corporation	H614
Eldis Pardubice Ltd	H719
EMS Formation Inc	H700
ENAC-Ecole Nationale de lAviation Civil	H320A
ENAV S.p.A.	D517
Entry Point North AB	R409
Era Systems Corp.	D520
ESRI	R505
ETSI	D130
Eurasia Coordination Council	D215
EUROCONTROL	D418
European Satellite Services Provider	D124
FABEC	H320
FCS Flight Calibration Services GmbH	H208
Fernau Avionics Limited	H711
Flight ATM Systems Ltd	H115
Flight Focus Pte Ltd	H216
FORMATION INC	H700
Frequentis AG	H200
Frontier Information Technologies	H726
Future Airport	H725
GE Aviation / Naverus	R402A
General Digital Corporation	R101
General Dynamics	D123
Globecomm Systems Inc	R300
GroupEAD Europe S.L.	H221
Guntermann & Drunck GmbH	R501
Harris/SolaCom ATC Solutions	R401
Helios	D108
HITT Traffic	H316
Honeywell International Inc	R200
Host Systems Ltd	R506
IDS Ingegneria dei Sistemi S.P.A.	R306
Ifield Computer Consultancy Ltd (ICC)	D210
Imtradex Hör-/Sprechsysteme GmbH	H420
Indra	D404
INECO	D500
Ingenieria de Sistemas para la Defensa de España	D127
Inster	D115
Integra Consult A/S	D308
Intelcan	H714
Intermap Technologies	H701
Intersoft Electronics NV	R302
ITT Corporation	H508
ITV Geomatik AG	D308
Janes Airport Review	H727
Jotron Group	H712
Kinetic Avionics Limited	H721
Korea Airports Corporation	R402B
L-3 ESSCO	D207
Lockheed Martin	D300
Lockheed Martin MS2	D221
Luciad NV	D516
Lund Halsey	R406
Managed AIS	H703
Metalite Aviation Lighting	D128
Metron Aviation	D502
Micro Nav	H220
Mint Media Interactive	H617
MIT Lincoln Laboratory	R500A
MOPIENS INC.	H720
Nanjing Large Scale Electronics	H806
NATS Services	D114
Nautel Ltd	H101
NAV CANADA	H616
Nedgraphics B.V	H802
NICE CTI Systems UK Ltd	D214
Nita	D608
North European ANS Providers	H325
Northrop Grumman Park Air Systems	H600
NRPL Group	D608A
NTT Advanced Technology Corp.	R301
NTT Data Corporation / DW International	H809
Peleng JSC	D222
Performance Technologies	R301A
Plantronics	R603A
Precision Applications Ltd	D600
Principle	R203
PrismTech Ltd	R413
Project Boost	R104
Quintiq	R102
R.I.S.K.	H223
Radiocom, Inc	R304A
RAMET C.H.M. a.s.	H807
Raytheon Company	D200
Real-Time Consultants plc	R405
Ricochet	H613
Rockshore	R100
Rohde & Schwarz GmbH & Co.	D100
S.I.T.I S.R.L	H124
S.I.T.T.I. S.p.A.	D508
Saab AB	D320
SAE International	R605
Schmid Telecom AG	H416
Searidge Technologies Inc	H716
SELEX Communications	H401
SELEX Sistemi Integrati S.p.A.	H400A
SENASA	D602
Sennheiser Electronic GmbH & Co KG	R105
Sensis Corporation	H412
SESAR Joint Undertaking	R402
Si ATM	H100
SITA	D213
SkySoft-ATM	D208
Sony Electronics Inc	R400
Southern Avionics Company	H724
Sunhillo Corporation	R500
Supremis ATCC Ltd	H516
Synclude sprl	H216
Systems Interface Ltd	H101
T - CZ, a.s.	R411
Tech Source, Inc	H614
Techno Sky	H315
Telerad	D115
Telvent	D212
Terma A/S	H604
THALES	H300
The MITRE Corporation	H102
The Tower Company	H208
Think Logical	H802
Thinking Space Systems Ltd.	R502
Thruput Limited	D503
Time & Frequency Solutions	H801
TMD Technologies Ltd.	H513
Topex	D131
Troy Systems Limited	H222
Ubitech Systems Inc	H419
UFA Inc.	H114
Ultra Electronics AudioSoft	D129
Vaisala Oyj	R404
VISCON GmbH	H114
Vitrociset S.p.A.	H512
VNIIRA JSC	R201
Weather Decision Technologies Inc	D125
Weather Services International	R412
WIDE Corporation	D306