Sector 48-49: Transportation and Warehousing NAICS 481100 - Scheduled Air Transportation NAICS 481200 - Nonscheduled Air Transportation NAICS 482100 - Rail Transportation NAICS 483100 - Deep Sea, Coastal, and Great Lakes Water Transportation NAICS 483200 - Inland Water Transportation NAICS 484100 - General Freight Trucking NAICS 484200 - Specialized Freight Trucking NAICS 485100 - Urban Transit Systems NAICS 485200 - Interurban and Rural Bus Transportation NAICS 485300 - Taxi and Limousine Service NAICS 485400 - School and Employee Bus Transportation NAICS 485500 - Charter Bus Industry NAICS 485900 - Other Transit and Ground Passenger Transportation NAICS 486100 - Pipeline Transportation of Crude Oil NAICS 486200 - Pipeline Transportation of Natural Gas NAICS 486900 - Other Pipeline Transportation NAICS 487100 - Scenic and Sightseeing Transportation, Land NAICS 487200 - Scenic and Sightseeing Transportation, Water NAICS 487900 - Scenic and Sightseeing Transportation, Other NAICS 488100 - Support Activities for Air Transportation NAICS 488200 - Support Activities for Rail Transportation NAICS 488300 - Support Activities for Water Transportation NAICS 488400 - Support Activities for Road Transportation NAICS 488500 - Freight Transportation Arrangement NAICS 488900 - Other Support Activities for Transportation NAICS 491100 - Postal Service (federal government) NAICS 492100 - Couriers and Express Delivery Services NAICS 492200 - Local Messengers and Local Delivery NAICS 493100 - Warehousing and Storage