National association of businesses and organizations that use or support the use of mail as a medium for business communication and commerce.
Mission is to administer transportation legislation and government policies to help achieve an efficient and accessible transportation systems by education, consultation and essential regulation.
Non-profit organization devoted to promoting safety in the national and international transportation of dangerous goods. Based in Washington DC.
A non-profit organization focusing on issues relating to the transportation industry, addressing several aspects of transportation.
Established to manage and control the functions, affairs, and property of the Northern Virginia Transportation District.
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