You can learn about a company's history, background, and financials from the sources listed here.
THINGS TO REMEMBER:
Southwest's official name is Southwest Airlines Co.
Southwest Airlines is publicly traded on the NYSE and its ticker symbol is LUV.
Southwest's SIC (Standard Industrial Classification) industry code is:
45129902: Air Passenger Carrier, Scheduled
Southwest's NAICS (North American Industrial Classification System) industry code is:
481111: Scheduled Air Transportation