HOS means Highway Organization System 

        What does HOS stand for? Abbreviation of HOS, definition of HOS, Explanation of HOS, Full forms of short form HOS.

         We are providing world largest and most comprehensive acronyms, abbreviations directory and search engine for acronyms on the Internet. Abbreviations Finder contains more than 7 million abbreviations and acronyms. You can also search for more than 740,000 general Comprehensive words.