Here are the HQs that are
not in the South and that do AI
Alpha Chi Omega - IN
Alpha Gamma Delta - IN
Alpha Phi - IL
Alpha Sigma Alpha - IN
Alpha Xi Delta - IN
Delta Gamma - OH
Delta Phi Epsilon - MO
Delta Zeta - OH
Gamma Phi Beta - CO
Pi Beta Phi - MO
Phi Sigma Sigma - MD
Sigma Kappa - IN
Theta Phi Alpha - OH
Zeta Tau Alpha - IN (very rare)
Isn't Texas...southern? or are they their own entity? I am asking b/c of Delta Delta Delta
(edited, because I am an idiot...I see a state that starts with an "I" I think Indiana 
)