The following is a selection of businesses I have worked for. The initials indicate my employer at the time. A key is at the bottom of the list.

Communications
Ascom MD
Swisscom P
Sunrise MD
Die Post S

Consulting and Service Design
KPMG MD
Stimmt
Zeix

Culture
Museum Rietberg MD

Industry
iGuzzini MD
Alusuisse Lonza S

Energy, Engineering
ABB MD
Rapp Group S
Atel MD

Finance
Bank Sarasin P
Basler Kantonalbank MD
Coop Bank S
Mannheimer Versicherung S
VSKB S, P
Zürcher Kantonalbank MD

Gastronomy
Mövenpick MD
Betty Bossi Verlag MD
Romazini MD

Healthcare
Roche W
Medi MD
Crucell

Human Resources
Adecco MD

Non-Governmental Organizations
Schweizerische Vereinigung für die UWC
IAIS S

Real Estate
Homegate

Tourism, Transportation
Matterhorn Gotthard Bahn MD

MD=MetaDesign, P=Pixelpark, W=Wirz Identity, S=scopo (my own company, purchased by Pixelpark in 1999)