http://www.bird-electronic.com

BIRD (USA)

Bird Electronic Corporation is a leader in design innovation and manufacturer of Instrumentation, Resistive Devices, Components, and Test Systems for RF Applications.

Especially the "site-analyser" is a well known GSM-tool.

Bird was and still is the market-leader for RF Power Meters. 

http://www.cadex.com

CADEX (CAN)

Cadex Electronics makes battery analyzers, chargers and battery maintenance software.
Its award-winning products have been deployed with great success in wireless communications, emergency services, mobile computing, biomedical, broadcasting, avionics and defense. 

http://www.comprion.com

COMPRION (DE)
 
Comprion is the world wide leading brand name manufacturer of test equipment for smart card interfaces.

http://formula.dk

FORMULA (DK)

Printing house for security printing. Also a supplier of unconventional solutions in terms of mailer and packaging concepts.
Well-known for its fully automated production line for SIM blister packs and for special reload vouchers and personalisations.

http://www.ghp.de/index2.html
 

GHP (DE)

The GHP-Group is a conglomerate of successfull companies in the aerea of direct marketing. With services and products like:

Fullfillment
Loyalty Projects and Loyalty
    Cards
Reload Vouchers
Telephone Cards

http://www.radcom.com

RADCOM (IL)

RADCOM offers a suite of industry-leading 2.5G and 3G cellular test solutions that support the development and deployment of systems and services. These solutions are critical for successful development and manufacture of network equipment, network installation, and ongoing proactive network monitoring and maintenance.
In addition, they facilitate predictive and real-time identification and resolution of network problems. 

http://www.spinner.de/pdf/
Mobilfunkkatalog_E.pdf

SPINNER (DE)

SPINNER connectors and cables assemblies are used world-wide in a large variety of communication facilities.

SPINNER connectors and other products are impressive due to their excellent electrical and mechanical quality.

Connectors and jumper cables
Filters, splitters, combiners,
    connector adapters
MNCS, Mobile Network Combining
   System for general use in mobile
   communication networks
Quadruplexer for GSM900+1800,
    UMTS and WLAN 

http://www.weinschel.com

WEINSCHEL (USA)

Aeroflex / Weinschel develops and manufactures high-quality, high-reliability microwave and RF components and subsystems. Product applications include satellite and communications systems; test, measurement and simulation of wireless systems, including 3G and GSM.