Score Energy Products Incorporated,Edmonton, Canada.
Web Site:
Metal Seated Butterfly Valves, high and low pressure, high and low temperature, Wafer, Lugged or Flanged, Zero leakage, Fire Safe Approved, Block & Bleed, Isolation and Control, optional steam jacketing.

Valvtechnologies Inc, Houston, USA.
Web Site:
Ball Valves, high pressure high temperature, 68 - 72 Rockwell hard metal seated, Diamond Lapped Zero leakage ball & seat warranted 4 years, Approved fire safe.

NoReVa Deutschland GmbH,Monchengladbach, Germany.
Web Site:
Check Valves, low headloss, reflex spring none slam.