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With near 20 engineers and more than 220 employees, TEST A.Ş. has been producing Uninterruptible Power Supplies for its registered trademark TESCOM since 1980 in accordance with TSE and CE standards and under ISO9001, ISO14001 and OHSAS:18001 quality assurance.

TEST A.Ş. It was founded in Izmir to operate in the “power electronics” sector in response to the uninterruptible energy need of the Turkish industrial sector. It began operations in 1980 with the goal of producing inverters and electronic control devices. Uninterruptible Power Supplies were first manufactured in 1986 to fulfill the demands of our nation’s rapidly evolving computer technologies. In its facilities located on a 10,500m2 closed area in the Izmir Menemen Ulukent Industrial Site, Test A.Ş. produces Uninterruptible Power Supplies for its registered trademark TESCOM in accordance with TSE and CE standards and under ISO9001 and 14001 quality assurance, with nearly 20 engineers and more than 220 employees.

TESCOM provides products and services worldwide with our current product portfolio including UPS from 600VA to 6400kVA, Static Transfer Switches between 32A-1250A, special production 60Hz and 400Hz Frequency Converters between 3-800kVA, rectifiers, inverters, SOLAR panels and inverters, VRLA AGM and Nickel Cadmium batteries. Our devices are utilized in locations such as the Botaş Baku-Tbilisi-Ceyhan Oil Pipeline, Hydroelectric Power Plants, Gölcük Naval Facilities, Arçelik Production Facilities, and others.

The company has been listed among the top 500 IT businesses for the past five years, and according to the UPS sector ranking, our company is one of the industry leaders.

The first T-MON UPS Remote Monitoring Software developed by TESCOM in Turkey won the 2002 “Electronics Innovation-Creativity Innovative Product Achievement Award” from TESID, the Turkish Electronics Manufacturers Association.
TESCOM released DSP-Controlled, IGBT-Rectified, DS Power Series 10-800Kva devices in the market.

TESCOM prioritizes the spirit of environmentalism in all of its development projects, by adopting the environmentalist values of today.


TESCOM branded products are produced in a dynamic R&D environment, leveraging all high-tech facilities. The design prioritizes concepts like reliability, high performance, durability, affordability, and addressing today’s current needs.

Since the firm was established in 1980, R&D has been one of TESCOM’s most significant resources. Since then, our company’s goal has been to closely monitor technological developments and integrate modern solutions into our devices while taking a customer-focused approach. The development of all of our current products as well as our newest items is currently under way.

We, the TESCOM Family, have been designing and expanding our product line in this direction for the past 37 years as part of a continuous self-renewal process. We are proud of the level we have attained by developing both high-quality and high-performance products based on these principles.

With years of experience in Power Electronics in Turkey, our R&D team has a high degree of knowledge and tools for developing new products. In the Turkish UPS industry, TESCOM, which is delighted to be able to conduct development activities in its own R&D organization, has experience in a variety of applications, including power electronics, microprocessor software, solar systems, data communication, uninterruptible power supply, and static transfer switches.

Tescom is able to design power electronics products with a variety of non-standard features, maintaining its position as a leader through R&D activities.

Our R&D team can employ cutting-edge technologies like IGBT, PWM, DSP, IPM, Microprocessor, SNMP, and TCP/IP in research and development activities by carefully choosing components appropriate for today’s information technologies in their designs.