Alexander Resources - Expert witness for issues involving wireless communications networks, products and services. Located in Texas Telecom Visions, Inc. - Offering expert testimony for cases involving telephone industry planning, engineering, construction, customer service, operating support systems and field operations. Flanagan Consulting - Technical expertise and business experience in voice and data applied to preparing interrogatories and expert testimony. Located in Virginia. Jackson Telecom Consulting - Providing a variety of consulting services in computers and telecommunications including expert witness services. Based in Maryland. Bortz Media & Sports Group - Economic, market, and competitive analyses in the media industry. Located in Colorado. Drucker Associates - Provides expert witness consultation and testimony in matters relating to wireless technology and the wireless industry. Located in Washington state. DVI Communications, Inc. - Expert witness services for cases involving patent infringement, denial of service, trade secret protection, theft of intellectual property, breach of contract and other actions. Located in New York. PCN Professionals, Inc. - Full spectrum telecommunications consulting firm, based in Texas. Roger L. Boyell - Expertise in electronic control and communication systems, providing consulting services and expert testimony. Located in New Jersey. Utility Telecom - Provides telecommunication planning, engineering, FCC licensing, PCS and MSS relocation service, spectrum refarming and project management services. Located in Colorado. PracTel, Inc. - - Provides expert witness testimony and litigation support concerning fiber optic, terrestrial, satellite and telephone networks, including Ethernet- and IP- based services. Located in New Jersey. Marilyn A. Lashner, Ph.D. - Linguistic analysis of recordings, news reports and other communications, and evaluation for pretrial publicity, copyright violation and plagiarism. Based in Pennsylvania. Ben Levitan - Expert witness in wireless, cellular, PCS and other technological areas of telephony. Located in North Carolina. Carlini & Associates, Inc. - Provides litigation support in the areas of information and telecommunications technologies. Located in Illinois. JALPAC, L.L.C. - Consultant and expert witness on telecommunications and regulatory issues. Located in New Jersey.