The shooting happened Jan. 12 at the Paladin Club Apartments.
Police said officers responded to the scene just after 9 p.m.
Officials said an altercation led to a 15-year-old female being shot. Debris from the incident also caused a 44-year-old woman to be injured.
Detectives identified 18-year-old Tristan Miller of Newark and 19-year-old Jhanir Fair-Cook of Wilmington as suspects in the case.
A 15-year-old boy from New Castle has also been charged in the shooting.