NAICS488210National Industry
Support Activities for Rail Transportation
This industry comprises establishments primarily engaged in providing specialized services for railroad transportation, including servicing, routine repairing (except factory conversion, overhaul, or rebuilding of rollin…
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NAICS488190National Industry
Other Support Activities for Air Transportation
This industry comprises establishments primarily engaged in providing specialized services for air transportation (except air traffic control and other airport operations).…
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NAICS488119National Industry
Other Airport Operations
This U.S. Industry comprises establishments primarily engaged in (1) operating international, national, or civil airports, or public flying fields or (2) supporting airport operations, such as rental of hangar space, and…
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