Welcome to Merchant Development Systems, Inc.. If you are visually impaired and would like to check the availability of a domain, make a purchase, or just have questions please call us at (480) 624-2500. You may also email us at support.secureserver.net to request a website service callback.  We are currently in the process of implementing more accessibility for our visitors so feel free to check back in the near future. Thank you for your interest in our company.
 
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MDSI in the News

Keep up with the happenings at MDSI

 

April 22, 2007 MDSI launches new website

May 17, 2007  MDSI Launches Branded eMail Service


 

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