Astic - Taiwan-based manufacturer of swing check valves in cast iron, ductile iron, cast steel, stainless steel and steel alloy
Bonomi - Italian manufacturer of inline, compact inline stainless steel inline and standard check valves
Check-All Valves - manufactures a wide variety of insert, housed, mini, tubing and custom-designed check valves
Crane Valves - maker of a check valves in a variety of materials, including brass, iron, cast and stainless steel
Crispin Valve - manufacturer of foot, rubber flapper, swing, tilting, surge, globe and wafer check valves
Generant - disc, inline, poppet, adjustable and one-piece check valve maker
Hayward Industrial - has manufactured thermoplastic valves since the inception of the industry
Sure Flow Equipment - Canadian and American, can design to custom specs and manufacture in their custom fabrication facility
Swagelok - Custom manufactures check valves in a variety of materials and configurations including poppet valves, lift valves and high purity valves
Valve-Check - designs and manufactures a wide variety of check valves and relief valves, with a wide variety of seal and valve materials
Velan - largest manufacturer of steel gate, globe and check valves in the world, with twelve manufacturing plants in North America, Europe and Asia