Industries & Professions /
At one time, airplane manufacturers, shipbuilders, and munitions factories were the chief suppliers of defense equipment. Today, there are many companies that provide technologies and equipment to military and security agencies. Examples include computer companies, radio frequency technology companies, and even video game developers, who develop simulations used by many branches of the military. Specialized computers and software used to operate satellite and monitoring systems have also led to an increase in the number of computer companies vying for defense business. Inventory management and logistic systems are also important to defense agencies.