NASCO members include cities, counties, states, provinces and private sector representatives dedicated to maximizing the efficiency and security of their existing trade and transportation infrastructure roughly shadowing U.S. Interstate Highways 35/29/94  and the connecting Canadian and Mexican transportation infrastructure (the NASCO Corridor), as well as the intermodal inland ports along the NASCO Corridor.

The prestige and standing of its members and 13 years of innovative, forward-thinking policy development and advocacy have won for NASCO and its members a high degree of credibility and appreciation from local, state and national governments in North America.

NASCO is a non-governmental group that stimulates the public and private sectors to work with a common voice to address national and international trade, transportation, security and environmental issues of grave importance to NASCO Corridor economic development, job creation and quality of life.