[vc_row css_animation="" row_type="row" use_row_as_full_screen_section="no" type="full_width" angled_section="no" text_align="left" background_image_as_pattern="without_pattern"][vc_column][vc_column_text] AT&T gains top rank for the first time, displacing market leader Orange Business BOSTON, MA, September 5, 2018 – Vertical Systems Group’s Mid-Year 2018 Global Provider Ethernet LEADERBOARD results are as follows (in rank order based on retail port share): AT&T...