Current Members

To report changes to your contact infomation as listed in the Current Members list, click here or send an email to Membership@HTRI.net

• OAO “VNIPIneft”

  Website

• Officine LUIGI RESTA S.p.A.

  Website

• Ohmstede Ltd.

  Website

• Oil and Gas Equipment Industries

  Website

• Oilfields Supply Center Ltd.

  Website

• Oilserv Oilfield Services (BVI) Ltd.

  Website

• "Oktyabrskhimmash" LLC

  Website

• Olayan Descon Engineering Company

  Website

• Onda S.p.A.

  Website

• OOO ThyssenKrupp Industrial Solutions (RUS)

  Website

• Operadora CICSA, S.A. de C.V.

  Website

• Optimus Industries, LLC

  Website

• OQ Chemicals Bishop LLC

• OQ Chemicals Corporation

  Website

• Oriental Union Chemical Corporation

  Website

• ORLEN Projekt S.A.

  Website

• Ormat Systems Ltd.

  Website

• Örnalp Unozon AB

  Website

• Osaka International Refining Company, Limited

  Website

• OT Industries Engineering Co., Ltd.

  Website