Technical Consultants Group
- Specializes in wireless data communication systems. Also does tower work and site surveys.
- http://techconsultants.net/

TEK Consulting, Inc.
- Offering communication and network systems consulting, web design and promotion, and voice/data planning.
- http://www.tekinc.com

The Tetrion Group
- An independent telecommunications consulting company, advising clients on the emerging telecommunications and computer technologies.
- http://www.tetriongroup.com/

Telecom Visions, Inc.
- Offering expert testimony for cases involving telephone industry planning, engineering, construction, customer service, operating support systems and field operations.
- http://www.telecomexpertwitness.com

Telecommunications, Inc.
- Communications consultants, specializing in convention centers and large premise distribution systems.
- http://www.neworld.org/

TRC Engineering Services, Inc.
- A broad range of telecommunication and data networking services. Offers solutions for the telecommunication infrastructure to link rural and urban areas.
- http://www.trceng.com/

Telecom Management Services, Inc.
- Telecommunications consulting, voice and data network design, strategic planning, vendor selection and contract negotiations.
- http://www.tcmsi.com/

Tele Solutions Consultants
- Independent telecommunications consulting agency. Professionally assisting K-12 schools, colleges, municipalities, service businesses, manufacturing, banks and hotels in evaluating, planning, designing, writing detailed specifications and fully coordinate
- http://www.telesolutionsconsultants.com

Telecommunications Consulting Group
- Assisting carriers, service and equipment providers, investors, users, regulators and policymakers.
- http://www.teleconsultingroup.com/

Telecom Management, Inc
- objective telecommunications advice on voice communications, data networks, telephone systems, call center, cabling design and information systems.
- http://www.telecom-management.com/

Tantus Project Development
- Provides project management services to the telecom industry.
- http://www.tantuspd.com

Telconsult Inc.
- Full service telecommunications management consulting firm specializing in voice, data, audio visual system design, installation, and implementation. Also provides web development and design services to include domain registration and web hosting services
- http://www.telconsult.biz

TechnologyFoundations
- Assist clients with comprehensive, standards based design solutions for data centers, call centers, structured cable systems, LAN / WAN and telecommunications networks.
- http://www.techfoundations.com

Telecom Management Group
- Independent advice on telephone system selection, telephone service audits, long distance data network design, training programs, system implementation, project management and strategic planning.
- http://www.temg.com

T2 Technologies
- Customer service oriented telecommunications management and telecommunications consulting.
- http://www.t2technologies.com/

Technixs Network Services
- A neutral voice vendor, data, and video communications consulting and contracting company with expertise in broadband carrier, PBX, LAN/WAN, engineering, proposal preparation, project management, local government networks and training.
- http://www.technixs.com

Teleconsul-Net
- Provides online support and consultation services for the telecom industry.
- http://teleconsul.net

Telecommunications Certification and Tariffs
- Information on telecommunications certification requirements and links to telecom information at state commissions and the FCC.
- http://visiology.com

Telecom Networking Systems, Inc.
- A full service telecommunications vendor to the business customer in Northern California and Nevada.
- http://www.tnsionline.com

Telemanagement Inc.
- Consulting for phone systems, network management, outsourcing, data, local and long distance, billing analysis, contract negotiation, system and service implementation, and consultants for health care industry.
- http://www.telemanagementinc.com

Telecommunications Management Consulting Group, LLC
- Provider of systems integration skills to the telecommunications industry.
- http://www.telecommcg.com/

TEAMtalk Media Group
- Provider of maritime data communications, international news, e-mail, internet and weather to ships at sea via satellite.
- http://www.teamtalk.com/satellite/

Tellenium
- A telecommunications and network consulting firm offering an array of services.
- http://www.tellennium.com

TierOne Communications, LLC.
- A carrier neutral communications provider specializing in Internet and data connectivity. Submit free requests for bandwidth and voice services quotes.
- http://www.tieronecom.net

Telecom Directions
- Custom analysis of telecom markets: market share, competitive position, potential segment revenues and purchasing trends.
- http://www.telecomdirections.com

Telcom Technologies Associates
- Comprised of industry consultants specializing in wireless pcs, broadband, paging, transportation, medical, isp, and government applications.
- http://www.ttagroup.com/

TeleChoice
- Specializes in helping innovators create and refine their business and market strategy, develop go-to-market plans, and enhance/review offers throughout the product lifecycle.
- http://www.telechoice.com