Besides Arca is a French company and no longer a Swiss factory.

Is HP Marketing a US company or a Swedish company ?

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As of 2008, Arca Swiss has 3 divisions as listed below (this is the publicly available information about companies that anybody can have acces to )

Arca-Swiss Phototechnik AG
http://zh.powernet.ch/webservices/in...&lang=1&sort=0
Einsiedlerstrasse 535
CH-8810 Horgen (Switzerland)
Telefon: 01 725 61 60
Fax: 01 725 64 37
Geschäftsvertreter: Herr Philipp Vogt
Beschreibung: Fotografische optische Gerät Entwiklung Herstellung Handel

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ARCA - SWISS International
29, Quartier de l' Europe, Espace Valentin,
F-25048 Besançon (France)
Téléphone : (33) 3 81 85 40 60
Fax : (33) 3 81 85 40 69
Activité : Fabrication d'instruments d'optique et de matériel photographique
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ARCA Swiss Inc.
532 West Grant Place, Chicago, IL 60614, USA
phone (773) 248-2513