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John Ariosa, Jr. / Owner and CEO.......................................................................JOHN@SHEFFIELDAV.COM Richard 'Vance' Van Horn / President...............................................................VANCE@SHEFFIELDAV.COM Nancy Van Horn / Accounting Supervisor........................................................NANCY@SHEFFIELDAV.COM Jake Mossman / Head Engineer..........................................................................JAKE@SHEFFIELDAV.COM Pat O'Hara / TechSupport.......................................................................................PAT@SHEFFIELDAV.COM Mike Van Horn / Video Production........................................................................MIKE@SHEFFIELDAV.COM Gregg von Bushberger / Video Production........................................................GREGG@SHEFFIELDAV.COM |
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