State Supply offers a wide variety of valves such as radiator valves, brass ball valves, gate valves, globe valves, solenoid valves, and brass check valves, along with pressure relief valves, boiler controls, air vents and more. Valves are available from such manufacturers as McDonnell Miller, Spence, Spirax-Sarco, Hoffman Specialty, Danfoss, Asco, Honeywell, Watts Regulator, Powers, Conbraco, and Kunkle.