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In T.E.S.S. we believe working in common with mutually agreed-upon goals and possibly methods, instead of working separately in competition, in which the success of one is dependent and contingent upon the success of another is one of the most intelligent steps to take. This is why on different fields we cooperate with a set of partners to grow and to develop. Additionally we do not only cooperate with partners in the telecommunication industry. We also want to connect international markets and promote products of other industries.

	Rohde & Schwarz Professional Mobile Radio GmbH Rohde & Schwarz Professional Mobile Radio GmbH has become an expert player in recent years, especially by setting up nationwide TETRA networks.
	Sycoc Sycoc GmbH is a medium sized production business with over 20 years of experience within the field of electronics manufacturing. Based on that they focus on the development and production of MPT and DMR systems.
	Neumann As a system vendor Neumann Electronics belongs to the worldwide leading providers of high quality solutions regarding information and security, supersonic sounding, acoustics and video.
	Frequentis Frequentis develops and markets communication and information solutions for safety-critical applications. It offers its control centre solutions, products and services world-wide to a broad range of customers acting in various mission-critical fields.
	Imtradex Based on a couple of years of experience with digital radios, Imtradex is the first contact for providing high-quality audio accessories.
	Tetrasim TETRAsim is a Finish company that delivers high quality TETRA training systems and services to the TETRA community. By simulators duty persons learn how to deal with a real TETRA network.
	Nokia Siemens Networks NSN is one of the world’s largest network communications companies – with 60,000 employees and a leading position in all key markets across the world.
	UTOD UTOD GmbH focus’ exclusively on serving the Professional Mobile Radio (PMR) – Public Access Mobile Radio (PAMR) TETRA market. They deliver advanced base stations, subsystems and complete micro TETRA systems to customers.
	Funkwerk Funkwerk Security Communications GmbH with its head office in Salzgitter, Germany, is a leading manufacturer in Europe of mobile security and communication solutions. With more than 40 years of solutions development experience for companies, authorities, organisations and industry.
	Accellonet Accellonet is a consultancy and service partner for professional solutions in mobile communications and control centers.
	EADS EADS delivers complete mission critical solutions, and the EADS communication systems are an excellent solution for customers who want a radio network with complete coverage and security. Their portfolio also includes control rooms and applications. Users prefer their easy-to-use radio terminals and their innovative features. Together with their customers, They are building the future of PMR.
	Mocotec Mocotec is a software system house with focus on development and delivery of system solutions for professional mobile communications systems. The portfolio contains single- and multi dispatcher systems, voice- and data recording systems, analogue-digital gateways, e-Mail gateways, data gateways, GPS/AVL and customized data applications. The products are working successfully in TETRA networks worldwide.
	DAMM DAMM is a TETRA technology company supplying TETRA compliance base stations to international telecommunication companies operating within suppliers of trunked radio systems (MPT 1327, TETRA).
	Piciorgros Piciorgros GmbH is located in Cologne Germany and has over 25 years of experience within the field of telecontrol engineering; specialized in radio- and modem interface solutions. Since 1996 Piciorgros GmbH reinforces its business in automation, water supply and sewage disposal of mainly power suppliers and industrial companies.