Champaign Computer
- Computer components and custom systems.
- http://www.c-computer.com/

ZelTech IT Services
- Provides technical education and information technology consulting services.
- http://www.zeltechit.com/

Wolfram Research, Inc.
- U.S. operations for the makers of Mathematica, a fully integrated technical computing software package. Includes online ordering and other information.
- http://www.wolfram.com/

Trusted Systems Services
- A secure systems consulting, service, and training company specializing in Windows NT security.
- http://www.trustedsystems.com/

Prominic.NET Domino Hosting
- Provides Unix based Domino hosting services for companies of all sizes.
- http://www.prominic.net/

Information Technology Associates
- Computer software design and development featuring Microsoft FoxPro and Visual FoxPro. Also website design, data processing, and consulting.
- http://www.ita-software.com/

BP Computer Services
- Custom computer systems, upgrades, repairs, network design, and installation; Internet consulting and web page design.
- http://www.bpcomp.com/

Rave Communications
- Business oriented web hosting, web design and development, and network consulting.
- http://www.ravecomm.com/

Shouting Ground Technologies
- Shout.net internet service provider. Dialup accounts, web page hosting, SMTP mail relaying, domain name registration and serving, T-1 bandwidth and up, POTS and ISDN.
- http://www.shout.net/

MicroSystems International
- Internet service provider and consulting company, with network services, support and training.
- http://www.msilink.com/

Prairienet - Community Networking Initiative
- Freenet internet service providing electronic mail, online discussion forums, development of an online repository of community information, gateway to local and global networked information and services, awareness, outreach, access, and training.
- http://www.prairienet.org/