- Copyright Clearance Center Online
 - Provides systems for photocopy and digital licensing, and digital rights management of copyrighted materials. - Macrovision
- Designs, develops and markets video security technologies and products that provide copy protection and video scrambling for motion pictures and other video materials.
- Digimarc Corporation
- Providers of secure government-issued credentials as well as digital watermarking solutions.
- Digital Object Identfier
- System for identifying and exchanging intellectual property in the digital environment.
- InterTrust Technologies
- Develops and licenses intellectual property for digital rights management and trusted computing.
- Snocap
- Developers of a system for digital licensing and copyright management services through a music registry and clearinghouse.
- eWatermark.com
- Provides technology and application that can embed visible or invisible watermarks into digital properties.
- ContentGuard
- Provides technology, products, and services for rights management of digital content.
- Kontiki
- Developers of a delivery management system to enable enterprises to publish, secure, deliver, and track digital media to employees, partners, and customers.
- Digital World Services
- Specialising in marketing applications and secure online delivery of digital content such as music, publishing, computer games, software, and business information.
- Authentica, Inc.
- Provider of content security software for protecting and controlling valuable e-mail messages, documents, and web pages even after they're delivered to recipients.
- Artistscope
- Software and online solutions for image and content protection.
- Alchemedia
- Offers document management software that keeps digital documents from leaving a company network.
- LockLizard
- Offers Digital Rights Management (DRM) software to protect intellectual property, trade secrets, and valuable information from unauthorized use, copying, and sharing.
- Blue Spike
- Sells Giovanni digital watermarking and scrambling for still image, audio and video copyright management.
- Musicrypt
- Combines encryption, metering, and tracking Digital Rights Management (DRM) technology with a patented biometric verification technology.
- Technicolor
- Provides digital supply chain solutions for download, streaming, and on-demand content delivery.
- Authena Open Source DRM
- Devoted to fostering an open source digital rights management system.
- RightsMarket
- Encrypts digital content, meters usage, authenticates the user, provides rights management authorisation, and creates a transaction log for reporting and billing purposes.
- LockStream Corporation
- Offers security and usability for digital distribution of text, music, and video to set top boxes, PC¿s, PDAs, and wireless devices.
- IPR Systems
- DRM systems for books, publications, research, film, video, music, and photographs.
- DigiTreal Technology Co. Ltd.
- Provides technology and solutions for digital watermarking and image compression.
- Enpia
- Solution and service provider for secure digital content distribution.
- Datamark
- Produces software that protects digital images and documents distributed over the Internet.
- CopyNo.com
- System for visual creators to protect online images from copying and duplication.
- Taco
- Digital copy protection software.
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