IGII announces that their corporate office located at 115 East Vista Lake Avenue will be closed for the Holiday season from December 23, 2014 through January 4, 2015 Administrator Dec 15, 2014 Press Release share Facebook Twitter Google + LinkedIn Pinterest Email Share... IGII announced that their corporate Management Center will be closed during the Holiday season. The offices will close at 5:00pm on December 23, 2014 and will reopen on January 5, 2015.