Mr. Terrific
Batman
Lex Luthor
Batgirl
Prometheus
Owlman
Deathstroke
Red Lion
Amanda Waller
Robin (Tim Drake)
Ra’s al Ghul
King Faraday
Spy Smasher
Riddler
Dr. Hurt
Vandal Savage
Scandal Savage

I included a few options of people who should be written as excellent tacticians if they get more page time.