TLV - See TLV's selection on steam traps
Harold G. Jones Company - E-mail them for information on Steam Regulators, Valves, Controls, Steam Traps, Filtration Equipment and Water Heaters
Cemline - See their line of steam and electric water heaters and storage tanks.
R.P. Adams - Water Strainers, After Coolers and Other Filtration Eqipment