For us Dallas, TX people, Irn-Bru USA is available at:

FIESTA #40 DALLAS
5334 ROSS AVE
DALLAS, TX
75206
Phone: (214) 887-3000

KROGER - DAL MOCKINGBIRD #518
5665 E. MOCKINGBIRD
DALLAS, TX
75206
Phone: (214) 826-2901

KROGER - DAL CEDAR S. #528
4142 CEDAR SPRINGS
DALLAS, TX
75219
Phone: (214) 599-9859

KROGER - DAL EAST NW #511
10677 EAST NW HWY #300
DALLAS, TX
75238
Phone: (214) 553-0607

KROGER - DAL FRANKFORD #587
3939 FRANKFORD
DALLAS, TX
75287
Phone: (972) 662-1000