contact name: Karla Callahan
contact job function details: ceo
contact job function:
contact job title: President & CEO
contact job seniority: c_suite
contact person city: San Francisco
contact person state: California
contact person country: United States
contact person zip code:
business name: vizyon
business domain:
business facebook URL:
business linkedin: http://www.linkedin.com/company/125958
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business employee: 27
business category: telecommunications
business specialty: telecommunications
business technology:
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business description:
