Gangjee birdied first, eighth and 12th and bogeyed the fourth, sixth and 14th for his 71 and a total of three-under 139 at the Willow Creek Club here.
Gangjee is currently 113th on the Web.Com money list.
There was a three-way tie for the lead at the top as Morgan Hoffman, who came into the event because of his tied fourth place finish at the previous event, United Leasing, tied with Brad Fitsch and Doug LaBalle with rounds of 64 each.
Jason Allred (65) is a stroke behind with seven players tied for fifth two shots behind.
There was a storm on Friday and leader, Morgan Hoffman played through it for the last three holes for a four-under 67 to go into lead at 11-under after his first round 64.
He is a stroke ahead of Tyrone Van Aswegen, Doug LaBelle II and Andres Gonzales with 36 holes to play.