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Company Directories for 
NAICS 48–49 — Transportation and Warehousing

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• NAICS 4811 - Scheduled Air Transportation
• NAICS 4812 - Non-Scheduled Air Transportation
• NAICS 4821 - Rail Transportation
• NAICS 4831 - Deep Sea, Coastal and Great Lakes Water Transportation
• NAICS 4832 - Inland Water Transportation
• NAICS 4841 - General Freight Trucking
• NAICS 4842 - Specialized Freight Trucking
• NAICS 4851 - Urban Transit Systems
• NAICS 4852 - Interurban and Rural Bus Transportation
• NAICS 4853 - Taxi and Limousine Service
• NAICS 4854 - School and Employee Bus Transportation
• NAICS 4855 - Charter Bus Industry
• NAICS 4859 - Other Transit and Ground Passenger Transportation
• NAICS 4861 - Pipeline Transportation of Crude Oil
• NAICS 4862 - Pipeline Transportation of Natural Gas
• NAICS 4869 - Other Pipeline Transportation
• NAICS 4871 - Scenic and Sightseeing Transportation, Land
• NAICS 4872 - Scenic and Sightseeing Transportation, Water
• NAICS 4879 - Scenic and Sightseeing Transportation, Other
• NAICS 4881 - Support Activities for Air Transportation
• NAICS 4882 - Support Activities for Rail Transportation
• NAICS 4883 - Support Activities for Water Transportation
• NAICS 4884 - Support Activities for Road Transportation
• NAICS 4885 - Freight Transportation Arrangement
• NAICS 4889 - Other Support Activities for Transportation
• NAICS 4911 - Postal Service
• NAICS 4921 - Couriers
• NAICS 4922 - Local Messengers and Local Delivery
• NAICS 4931 - Warehousing and Storage