Business Information Technologies
- Full service voice and data communications contractor licensed in St.Louis, MO.
- http://www.binfo.us/

Communications 2000 Inc.
- Telephone system and accessories sales and service.
- http://www.com2k.com/

CommSmith
- Telecom and data solutions provider serving the commpunities of Springfield, Branson, the TriLakes area and the southwest part of the state.
- http://www.commsmith.com/

Cannon Electronics, Inc.
- Sales, installation and service of WIN Communications Corporation telephone and call center systems and Amanda call processors. Located in St Louis.
- http://users.mlc.net/cei/

Midwestern Telephone, Inc.
- A full service provider of voice, voice over IP, and data communications equipment including design, installation, support and maintenance services.
- http://www.mwtel.com/