Akzo Nobel

Erste Bank

OTP Bank

Allianz

GIRO (Hungarian clearing)

Paks Power Station

American Express

Hungarian Financial Supervisory Authority

Pannon (Telenor)

Amstel

Hungarian Post

Parliament of Hungary - Central Administration

Areva

ING

Philip Morris

Astra Zeneca

KLM

Philips Lighting

Banca Commerciala Romaniei

Koch Media

PostBank

BankPost

K&H Bank (KBC)

PosView

Beobanka

Mavir (Hungarian Power Network)

Prime Minister's Office, Electronic Government Center

Berlin Chemie

MFB (Hungarian Development Bank)

Rabobank

BlueFlame Data

Ministry of Economy and Transport

Raiffeisen Bank

British American Tobacco

Ministry of Environment and Water

Richter Gedeon

Budapest Bank (GE Money)

Ministry of Interior

Samsung

Bull

MKB (Bayerische Landesbank)

Siemens

Credit Agricole

MOL

Starbucks

Ciba Vision

Montana

Thales

Citibank

MVM (Hungarian Power Co.)

Total

Cora

Municipalities (various)

Unicredit

Drescher

National Border Guards

UPC

ebpp.hu (electronic billing integrator)

National Health Fund

Valimo

EDS

National Pension Fund

Vodafone