Specialty Mfg. Co. manufactures brass, stainless steel and plastic ball valves in a variety of configurations, sizes and materials. Port options include pipe thread (NPT), hose barb, flare, push-fit, and JACO and socket ends. Materials include brass, PVC, stainless steel, PVDF (Kynar), polypropylene, nylon and ABS.

S&K Automation is a leading US supplier of ball valves, butterfly valves, control valves, 3 way valves and globe control valves. S&K's ball valve line includes air operated ball valves, 3-way actuated ball valves, electric ball valves, flanged ball valves, and vball control valves in a wide range of sizes.