Innovative Telcom Consulting, Inc.
- Telecommunications consultants.
- http://www.innovativetelcom.net/

Imagine Technologies Inc.
- Communications analysis to help customers reduce their business communications costs.
- http://www.imaginetechnologiesinc.com/

Intertek ETL SEMKO
- Provides testing, certification, and other services to manufacturers, importers and distributors in the telecommunications industry.
- http://www.intertek-etlsemko.com/

iconec Consulting GmbH
- Management consulting and technology services company located in Nurnberg, Germany. Includes service information and career opportunities.
- http://www.iconec.com/

Norson Telecom Consulting
- A Beijing-based consulting firm that provides data, analysis, and contacts for companies involved or interested in China's telecom industry.
- http://www.norson.com.cn

International Telecommunications Consultants Inc.
- Provides staffing and engineering services.
- http://www.callitc.com

Insight Research, Inc.
- Specializing in consulting, design, engineering, installation, and service of audiovisual and communications systems such as videoconferencing.
- http://www.insightresearch.com

IMMCO, Inc.
- Provides field engineering, design, and software services to develop broadband networks for cable TV, telephone, utility, and other companies, located in Norcross, Georgia.
- http://www.immcoinc.com

Integrated Networks, Inc.
- Offers cable wiring, phone system implementation, and general consultation services.
- http://www.inintl.com/

Improcom
- Fully independent IT and telecom consultancy advice. Services include strategy development, specification, procurement and implementation.
- http://www.improcom.co.uk

INFOmotion Design & Consulting, LLC
- BICSI Certified (RCDD/LAN Specialist) Technology Design Firm with extensive experience in the budgeting, design, and construction of technology and telecommunications systems.
- http://www.infomotion-design.com/