 Rail and motor freight carriers also provide freight service to the County.The Jack Brooks Regional Airport located between Beaumont and Port Arthur provides passenger and freight service and is currently serviced by one commuter passenger air carrier.The economy of the County is based primarily on petroleum refining; the production and processing of petrochemicals, bio-fuels and other chemicals; the fabrication of steel and steel products; shipping activity; the manufacture of wood, pulp, food and feed products; agriculture; and health care services.