Ad-On-Hold, Audio Marketing Services, Belnap and Company, Dynamic Productions, Impact On Hold, Nel-Tech Labs, Inc, OHP, On Hold Promotions Co., Inc., On Hold Solutions, On-Fone Communications

ATI wireless, Beeper King 2, BRV Technologies Ltd., Canamex Communications Corporation, Cascade Telecom, Commtech Wireless, Communications Warehouse, Inc., Comp Page, CPR Technology, Electronic Paging Products, Inc.

Antepo, Arunta Investments Pty Ltd., Brick Mail, Callware Technologies, CommuniTech Services, Inc., Digital Speech Systems, Dytel, GCOM Europe Limited, Hurley Communications, MaiSoft