- 2Wire
 - Provides DSL pricing and availability by carrier and ISP, broadband audio and video content, educational information, and residential gateway product sales. Also offers a bandwidth meter that measures throughput to their site.  Airspan Communications
- Provider of fixed wireless DSL equipment.- Aware, Inc. (2)
- Bandspeed, Inc.
- Develops DSL signal processing technology for channel resolution.
- DSL Place
- U.K. supplier of BT approved ADSL microfilters.
- Integrated Telecom Express
- Designer and provider of ADSL chipsets, network protocol software, and development tools.
- Jangkang Elec. & Telecom Co., Ltd
- Developing and manufacturing ADSL splitters, micro filters and various kinds of transformers.
- M & G Imports
- Importers of ADSL microfilters for broadband users. Also sells glow products for the leisure industry.
- Metalink Ltd. (1)
- mPhase Technologies
- Designer of broadcast digital television and high-speed data technologies for the telecommunications industry.
- Net to Net Technologies
- Providing high performance DSL networking hardware.
- Orckit Communications
- Provider of advanced telecom equipment targeting high capacity broadband services.
- Prime Services Group
- Offers DSL integration, structured and optical wiring systems, network cabling, and more.
- Promatory Communications
- Offers a carrier class broadband access switch which combines support for multiple DSL transmission types with ATM switching.
- Pulse Communications, Inc.
- Designing and manufacturing digital transmission equipment and systems for ILECs, CLECs and ISPs.
- Redback Networks
- Provider of next-generation broadband networking equipment.
- Siemens Subscriber Networks
- Broadband data, voice, and video and related solutions including the SpeedStream family of modems, routers, and gateways.
- Tioga Technologies
- Provider of communication integrated circuits to infrastructure equipment manufacturers.
- Turnstone Systems (1)
- Valiant Communications
- Offers GSM E1 T1 channel bank gateway, multiplexer, echo canceller, PRI ISDN, and DCME telecom transmission solutions.
- WaiLAN Communications Inc.
- Develops and markets xDSL network extension products applicable for local area networks and Internet service providers.
- Westell Technologies, Inc. (1)
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