TelExpress, Inc. - Distributor of surplus and refurbished telecommunications equipment for the Central Office. Lexcom Telecommunications - Supplier of central office switching and transmission products and services. Aculab - Provides processing boards and software to the global communications market for multimodal voice, data, fax and video solutions for use within IP, PSTN and mobile networks. Central Office Systems - Buy and sell new and refurbished central office and transmission equipment. Tele-Source Industries Inc. - Providing customer solutions to a wide range of customers for telephones, parts and service. Bell Enterprise - Providing new and used Central Office products and PBX equipment. Aries Telecom - Supplier of GSM gateways, GSM and STM-1 multiplexers, E1 channel banks, Echo cancellers and E1 drop-insert multiplexers. Bhumika - Telecom Transmission solutions, E1 GSM Gateway, T1 GSM Gateway, Multiplexers, Echo Canceller and other transmission equipment. US Telecom Supply - Provider of telecommunications equipment, including: central office switching, transmission, fiber optics, DSL products, batteries and power, wire and cable and other central office hardware. Valiant Communications Limited - Provides a wide range of telecommunications transmission equipment. Extel Communications - Products to extend the capacity and range of existing telephone networks, allowing previously isolated consumers, such as those found in rural and regional areas. Verissimo Technologies - Distributor of new, surplus, and refurbished central office networking equipment. [Requires Javascript for proper operation]