Armor Holdings, Inc. was an American manufacturer of military, law enforcement, and personnel safety equipment.

[2] It acquired Fairfield, Ohio-based O'Gara-Hess & Eisenhardt in 2001[3] and renamed it Centigon.

Simula developed and produced the first crashworthy armored crew seats for the US Army UH-60 Black Hawk and AH-64 Apache helicopters.

In 2006, Armor Holdings obtained a $649 million order for the U.S. Army to manufacture tactical vehicle trucks.

[13] It delivered its Maneuver Sustainment Vehicle (MSV) to US Army for evaluation in Future Tactical Truck System competition, along with Navistar International and Lockheed Martin.