Mountain Secure Systems, a veteran-owned small business and subsidiary of Phillips Service Industries (PSI), is a leading supplier of rugged electronics for the aerospace and defense industries - including in-flight entertainment solutions for commercial aircraft.
Mountain Secure Systems also provides the most reliable, easy-to-use wireless network solutions in the marketplace for video, voice and data applications. We have the expertise, experience and resources to meet virtually every commercial, industrial, government and military need for rugged electronics and wireless network. | 
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