| Advan Tech Answering Service Provides answering, fax and paging services, as well as pagers. http://www.advantechans.com/ |
| Aquis Communications Group Inc. Operates technologically advanced radio common carrier paging systems which provide one-way wireless services over portions of the mid-atlantic region. (Nasdaq: AQIS) http://www.aquiscommunications.com/ |
| ComServe Corporation Provides pagers and billing solutions designed specifically for the paging and cellular industries. http://www.comservecorp.com |
| Metrocall Offer wireless data and messaging services throughout the United States. Features a range of information on products and services, career opportunities, and events. Includes facilities to purchase online. http://www.metrocall.com/ |
| MorInfo Development Wireless messaging software products for individuals, networks, Windows CE devices and legacy applications. http://www.morinfodev.com/ |
| PageOne Communications UK paging and mobile messaging service and products for business and corporate customers. http://www.pageone.co.uk |
| Paging Network, Inc. Provides wireless messaging and information delivery services. http://www.pagenet.com/ |
| Rinkers Communications Provides paging and voicemail services, along with alphanumeric and numeric pagers. http://www.rinkers.com |
| Teletouch Offers paging and two-way radio services for customers throughout the United States. http://www.teletouch.com/ |
| Turn-key Technologies, Inc On-site paging systems and pagers for industrial, health care, alarm, SCADA and hospitality applications. Alphanumeric, numeric and voice pagers supplied. http://turn-keytechnologies.com/ |
| USA Mobility, Inc. Headquartered in Alexandria, Virginia. Provider of paging products and other wireless services to the business, government and health care sectors. http://www.usamobility.com/ |
| WiPath Communications Pager and paging systems manufacturer, distributor and service centre for healthcare, emergency alerting systems and on-site paging. http://www.pagingsystem.com.au/ |
| Wynd Communications A two-way wireless paging service designed for people who are deaf or hard of hearing. http://www.wynd.com/ |