JPEG2000 is a result of the collaboration between:

• The International Organization for Standardization (ISO), a private organization,
• The International Telecommunications Union (ITU-T, formerly CCITT), a part of the United Nations and
  
• Input from a multitude of industry experts from companies such as Agfa, Canon, Elysium, Fujifilm, Hewlett Packard, Kodak, LuraTech, Motorola, Ricoh, Sony and others.

Read about the industry plans for JPEG2000:
(Includes companies such as Hewlett-Packard, STMicroelectronics, IMEC, Canon, LuraTech, and NetImage)

JPEG2000 Net imaging spec sparks design work
By Junko Yoshida, EE Times

Expectations that the pending JPEG2000 standard will bolster the role of Internet-based digital imaging are sparking behind-the-scenes partnerships and product development activity among chip vendors, software suppliers, camera manufacturers and wireless companies.
Read more…

The JPEG2000 committee site
(members section requires password)