Systematrics Inc.

– Provides software for text and numeric messaging to electronic pagers, digital telephones and other portable message display devices.

Text Express

– Offers two-way PC based short messaging communication software.

UndeleteSMS

– Recover deleted SMS messages from a GSM SIM card.

ValueFirst Messaging

– Provides software to send or receive text messages from a PC. Includes products and solutions overview, support, and press releases.

Visualtron SMS Gateway

– Sells SMS mobile application servers and specialises in developing enterprise messaging solutions.

WirelessROI

– Offer messaging software and services. Includes product and system overviews, and career opportunities.