[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]Orange, Colt and AT&T maintain top three ranks; Level 3 displaces BT Global Services for fourth position BOSTON, MA, September 12, 2017 – Vertical Systems Group’s Mid-Year 2017 Global Provider Ethernet LEADERBOARD results are as follows (in rank order based...