Merwede Valves bv
Manufactures non-stock valves, specials or valves in exotic alloys, also 'hard-to-get' high-pressure valves, on short lead times. Eexpertise in cryogenic, high temperature, corrosive, abrasive, subsea, onshore, offshore, firesafe, vacuum, high pressure.
http://www.mwvalves.com/

Bieri Hydraulik AG
Manufacturer of hydraulic components, valves, pumps and tailor made solutions up to 1000 bar hydraulics, valves, pumps, Hydraulik, Ventil, Pumpe, Bieri, Bierihydraulik, Wegeventil, Axial, hydraulic, pressure switch, check valves,hydraulique, pompe, desander
http://www.bierihydraulik.com/

Piping Specialties
Quick delivery on high pressure, LF2, LCC, SS, flanged actuated, high temperature, halves including ball, plug, gate globe, and check valves as well as pipeline pigs. Product from manufacturers stock includes Durco, Flow Control, Nutron, NAVCO, Lowe, Galli & Cassia, Knapp, Pipeline Cleaners, Polyethylene pipe and fittings
http://www.pipingspecialties.com/

High Pressure Equipment Company
High Pressure Equipment Company designs, manufactures, and markets products used in the chemical, petrochemical, oil and gas, waterjet cutting and blasting, industrial research and development, general industrial, university and pharmaceutical industries. These products include high-pressure valves, fittings and tubing, reactors, pressure vessels, intensifiers, gauges, pumping systems, gas booster systems and pressure generators.
http://www.highpressure.com/

Cesare Bonetti SpA
We manufacture a complete range of cast and forged high pressure valves: control, stop, check, blow down, globe, gate, ball, piston, bellows sealed, and the widest range of liquid level gauges and level indicators, magnetic type and glass type: reflex, transparent, bicolor
http://www.cesare-bonetti.com

Alco Valves Ltd.
Alco Hi-Tek Ltd. are widely used by Oil and Gas operators and projects Worldwide. Alco's DBB Valves are the choice of engineers for safety, long service life, and reliability. Millions of valves in service Worldwide
http://www.alco-valves.com

Emflo Valves
Manufactures high pressure ball, gate, globe, check valves under the API-6D license.
http://www.emflovalve.com

Valvtechnologies, Inc.
Valvtechnologies, Inc.- Metal Seated Isolation and Control Valves
http://www.valv.com

George Fischer, Inc.
Manual and actuated valves, diaphragm valves, butterfly valves, pressure regulating valves, y-globe valves and y-pattern strainers.
http://www.us.piping.georgefischer.com/

Tectrol
Tectrol Manufactures long nose heater chokes and choke parts for invalco, wellmark, cemco, major, mcafee
http://www.tectrolusa.com/