Boyt Harness Company offers a variety of bags and cases for the law enforcement and military community. 

http://www.boytharness.com

Camelbak offeres a number of innovative bags with their patented hydration system. 

http://camelbak.com

Vermont's Barre Army Navy Store sells a large variety of military and law enforcement style bags and storage.  http://www.vtarmynavy.com/

GORUCK brings military-grade gear tough enough for Special Forces to adventure seekers the world over, people who demand a lot from their equipment.

http://www.goruck.com/