STL has a wide variety of cryogenic trailers using both aluminum and stainless steel inner vessels. These trailers are capable of transporting liquid nitrogen, oxygen, hydrogen, helium, and argon. The capacity of these trailers range from a water volume of 5,000 to 8,500 gallons. All cryogenic trailers are self contained with pumps, engines, pressure building coils, fittings, hoses, piping, etc. Liquid natural gas trailers are also available with a water volume capacity of 13,000 gallons.