As of Jun. 2001, the IIOSS Consortium has 11 Members.

• RWorks, Inc.(Tokyo, Japan)
  RWorks is a leading independent software vender and providing state-of-the-art hight quality software products and technical supprt.

• Blue Ocean Systems, Co. Ltd.(was A-Vis System Solution Co., Ltd.)(Fukuoka, Japan)
  Blue Ocean Systems is a software house and IT consulting firm.

• InfoWAVE Co., Ltd.(Saitama and Tokyo, Japan)
  InfoWAVE is a software house and small computer and network integrator.

• Junko and Ryuji Ishiguro. (Tokyo, Japan)
  A couple of "real" programmers.

• Melange, Corporation.(Kanagawa, Japan)
  Melange is a software house and offers PC literacy classes.

• Metabolics, Ltd.(Kanagawa, Japan)
  Metabolics is a software engineering consulting and reserch firm.

• Multi-Paradigm Systems Co., Ltd.(Tokyo, Japan)
  Multi-Paradigm Systems is a software house for object oriented systems.

• Ono Shouten(Ono and Co.)(Ehime, Japan)
  Ono Shouten is a "uniq" company that runs software house, network integrator, liquor shop and LP GAS shop.

• Open Technologies Corporation.(Tokyo, Japan)
  Open Technologues is a systms consulting firm and integrator for open systems. And also OpenTech is the founder and organizer of the IIOSS Consortium.

• The IIOSS Ryukyu Team at Department of Infomaion Engineering, University of the Ryukyus (Okinawa, Japan)