The National Motor Freight Traffic Association, Inc. (NMFTA) is a nonprofit membership organization headquartered in Alexandria, Virginia. Its membership is comprised of motor carriers operating in interstate, intrastate and foreign commerce. NMFTA publishes the National Motor Freight Classification^® (NMFC^®), a standard that provides a comparison of commodities moving in commerce. NMFTA also produces ClassIT^®, the online version of the NMFC.

NMFTA assigns the Standard Carrier Alpha Code (SCAC^®), a unique two-to-four-letter code used to identify transportation companies, and publishes the Directory of SCACs. NMFTA also produces SCAC Online allowing a user to search and have access to the most up-to-date alpha code information from anywhere you have an internet connection.

NMFTA also assigns the Standard Point Location Code^® (SPLC), a numeric coding system designed to identify points in North America that originate and receive transportation with their geographic locations. Additionally, NMFTA produces SPLC Online, an internet-based system for retrieval of SPLC data. .