2X Software
   Provides thin client computing software for server-based computing.
   http://www.2x.com/

BOSaNOVA, Inc.
   Enterprise-class thin client and network appliance solutions for LINUX, XP, and CE.Net.
   http://www.bosanova.net/

Brian Madden
   Independent consultant and author specialising in Citrix and Terminal Services. Includes presentations, articles, forums and utilities.
   http://www.brianmadden.com/

Centralis Ltd
   CLAM combines the capabilities of a PC with a thin client without having to change the existing hardware.
   http://www.clam-it.com/

Citrix Systems, Inc.
   Provides software for on-demand access. (Nasdaq:CTXS)
   http://www.citrix.com/

Computer Lab International (CLI)
   Manufacturer of thin client devices, IBM-compatible midrange terminals and host-access terminal emulation software.
   http://www.computerlab.com/

Disklessthinclients.com
   Shop for diskless network terminals, PC alternatives, diskless thin client workstations, boot appliances, and software for server-centric Linux and Windows computing.
   http://www.disklessthinclients.com

Ericom Software
   Specializes in enterprise-wide application access for terminal server and legacy applications. Secure access for mobile and remote workers from Windows and Linux clients
   http://www.ericom.com/

Extrasys
   Online desktop delivers software as a service and enables the user to access business data and applications securely via broadband.
   http://www.extrasys.com/

Jacada
   Provides web-to-host, GUI, and legacy integration for mainframe and AS/400 applications by generating Java or Visual Basic thin client solutions. (NASDAQ: JCDA)
   http://www.jacada.com/

JasonConger.com
   A systems architect shares his experiences of extending Citrix and Terminal Server environments using .NET and other technologies.
   http://www.jasonconger.com/

John Kellett
   Blog by UK-based Citrix and Windows consultant offers articles, walk-through guides, a support forum, etc. for other consultants.
   http://www.johnkellett.co.uk

Leading Edge Technology
   LAN/WAN client and server network and technology solutions for business.
   http://www.le-tech.com/

MS TerminalServices.org
   Articles & news about Microsoft Terminal Services, Citrix & thin client computing
   http://www.msterminalservices.org

Marcom Computers
   Thin client hardware and networking services in Southern California
   http://www.marcomcomputers.com

Maxan Systems
   Manufacturer and supplier of thin clients and other hardware.
   http://www.maxan.com/eng/main_eng.html

Neoware Systems, Inc.
   Windows-based terminals.
   http://www.neoware.com

Netra j Server Software
   for deployment and administration of network computers.
   http://www.sun.com/netra-j/

Network Executive Software, Inc.
   Service and enhance the NETEX family of products which consist of NETEX, USER-Access, Bulk File Transfer (BFX), Print File Transfer (PFX), and Transaction Processing System (TPS).
   http://www.netexsw.com

ShopThin
   Provides thin client products for sale such as Citrix Metaframe and Microsoft Terminal Services.
   http://www.shopthin.com

Sys-Manage
   Products for the administration and management of Microsoft Windows and Windows-NT networks.
   http://www.sys-manage.com/english/sub_index.html

TLoad
   Tool allows control of hundreds of virtual Citrix users, enabling optimization of MetaFrame infrastructures for high levels of user load.
   http://www.thingenius.com/TLoad/

Thin-World Computing
   Resources, links, and forums for application hosting & thin client technologies.
   http://www.thin-world.com/

ThinAnywhere
   Client-server middleware enabling software applications to be web enabled without any changes to the application.
   http://www.thinanywhere.com

ThinPATH Systems, Inc.
   Provider of server- and web-based computing solutions. Also has acquired the licenses to develop, sell and maintain the software products from Network Computing Devices, Inc (NCD).
   http://www.thinpathsystems.com/

Wyse Technology
   Provides services, software, and hardware for central management of IT resources.
   http://www.wyse.com/

X-Concept controls the application server and thin clients
   With X-Concept and redox X-Terminals you will materially improve the performance of both your IT systems and your organisation in general, increase system security and - in case of a downtime - be online again faster then ever.
   http://redox-systems.com

airWRX
   An application framework that runs from a USB flash drive, and turns its PC host and other nearby PCs into a multi-screen, web-like work environment. The airWRX framework is lightweight, extensible, and includes full source code.
   http://networkimprov.net/airwrx/