Definition of gang:
(n) :
a
going; a
course; a
number going in
company; hence, a company, or a number of persons
associated for a particular purpose; a group of laborers under one foreman; a squad; as, a gang of sailors; a chain gang; a gang of thieves
"do a drop for the telephone gang, then another drop for the internet gang, both through the ceiling of the wiring closet."