AlphaGraphics Portsmouth Expands Large-Format Business with EFI Pro 16h UV LED Printer Digital printer AlphaGraphics Portsmouth Expands Large-Format Business with EFI Pro 16h UV LED Printer Ellen C. McGowan August 7, 2021 AlphaGraphics Portsmouth co-house owners Chris Oberg (left) and Chris Provider acquired an EFI Professional 16h UV LED... Read More Read more about AlphaGraphics Portsmouth Expands Large-Format Business with EFI Pro 16h UV LED Printer