Trafo Power & Electricals Pvt. Ltd. (Trafo Power) is an Indian company, founded ~1986, that designs and manufactures power & distribution transformers ranging from ~25 kVA to 10,000 kVA and up to ~33 kV, with special‑purpose types (dry‑type, furnace, lighting, auto‑transformers etc) made to order.

TRANCO Core-Winding Machines automatically produce wound cores using a continuous feed process. As a result, the wound core becomes more efficient to produce than the less efficient “cut and stack” core.

Transcon Industries, established in 2003 and headquartered in Hyderabad (Telangana, India), is a manufacturer and exporter of a wide range of transformers—including distribution, power, BIS-certified, dry‑type, and solar‑inverter transformers—serving both domestic and international markets.

Transelit Int, established in 2002, is specialized in the processing of electrical steel, with expertise in the production of cut laminations, taped blocks, and fully assembled cores. Transelit Int plays a key role in the processing of electrical steel, offering advanced solutions for both grain-oriented and non-oriented materials.

Transpower Switchgear Industries, established in 1996 in Mumbai, is an ISO 9001:2015 certified manufacturer and supplier of high-quality transformers and related services. Backed by advanced infrastructure and expert leadership, the company serves a global clientele with reliable products and solutions.

Transtron is dedicated to achieve the ultimate excellence in its products and service after sales. At Transtron, there is a perfect combination of quality, performance and efficiency. Transtron has state-of-the-art manufacturing facilities to ensure superior performance with reduced energy losses and maintenance costs to a bare minimum.

Traser Italia was founded in 1981 and was acquired by the Solaroli family in 2015. With more than 40 years of experience and know-how in the production of laminations for transformers and electric motors, the company has established itself as a trusted partner in the industry.

Tratos is a leading, innovation-led, European electrical, electronic and fibre optic cables manufacturer. Major clients include electrical contracting and manufacturing organisations and electricity distributors worldwide.

Triad Magnetics designs and manufactures custom and standard transformers, inductors, and magnetic components for industrial, medical, and power applications. Headquartered in the U.S., it serves global markets with ISO 9001-certified facilities and a strong catalog of over 1,000 stocked products.

Tricon Enterprises, located at Lohar Chawl, Mumbai, Maharashtra, are among the pioneer providers of lights, switchgears, cables, and wiring components. They are reputed for providing a wide range of beautiful and modern lighting fixtures and fittings. Their switchgears, cables & wiring components are also well tested and durable with utmost safety.

TRISHUL is headquartered in Bangalore (India). TRISHUL strives to serve the domestic and international transformer industry as also the Electronic and Automotive sector by developing winding machines that deliver years of consistent and flawless winding accuracy. Backed by a dedicated R+D and Design team, they deliver integrated winding solutions with cutting edge technology, to meet the most exacting demands and extreme technical challenges.

Trisquare Switchgears Pvt. Ltd., founded on 12 October 2004 and headquartered in New Delhi, is an EPC and manufacturing firm specializing in MV/LV switchboards, transformers, compact substations, control panels, and switchyard structures.

TSEA energia (Brazil), formerly Toshiba South America, produces high-voltage power transformers (up to 800 kV/500 MVA) and turnkey substation/mobile systems from ISO-certified facilities in Contagem, Betim, and Curitiba—serving 40+ countries, with ~70% of sales to the U.S.

TSTY Electric Co., Ltd.was established in 1995 and is located in Henan Province, China. With a construction area of 250,000 square meters, 600+ employees, and 158 invention patents. The company's 6kV, 11kV, 22kV, 35kV power products cover power transformers, distribution transformers, substation transformers, high and low voltage switchgears, wind power, photovoltaic power generation equipments,etc.

Tsukasa Electric, motor division is providing high-quality products mainly for ATM, banking machine, vending machines, and amusement machine. Additionally, Tsukasa developed and released low-cost damper actuators for air-conditioning market and many new products for developing markets like as medical,home-care equipment and robot markets.

TTI, Inc., a Berkshire Hathaway company, is a world-pioneering specialist distributor of passive, connector, electromechanical, discrete, power, and sensor components. TTI’s philosophy is "Lead by Design"​, and the company differentiates itself by focusing on people, parts, and processes. TTI in Europe strives to be the distributor of choice for customers and suppliers alike by introducing new product technologies and by stocking broad.

Zhejiang Tuanjie Electrical Equipment Co., Ltd., established in 1986 in Yueqing, Zhejiang province (China’s “Electric City”), manufactures instrument transformers including current transformers (CT), voltage transformers (PT), dry-type/oil-immersed transformers (0.5–35 kV), as well as panel meters and switching power supplies; the company holds ISO 9001, CE, IEC, and CCC certifications and exports to regions including Southeast Asia.

Tuboly-Astronic has been developing and manufacturing machines for the production of transformers for more than 30 years. All their knowledge and experience manifests itself in the hardware, software, system integration and service they provide to their customers.

TURKOSAN, which accepts the desire to establish a decisive role in the energy sector and to acquire a prestigious place as its principle, has found its place in a short time with its advanced level of knowledge, work discipline and experienced staff.

Tyree Transformers is an Australian-owned manufacturer (headquartered in Mittagong, NSW) that produces a broad range of transformers — from small distribution units to power transformers (up to ~35 MVA, 132 kV) — as well as substations and switchgear.

U-Solar Clean Energy Solutions is a solar developer in India that provides a complete solar power solution for Industrial, Commercial, and Institutional clients. Solar power is clean, cheap, and reliable, which makes it attractive for not only economic reasons, but also for its environmental benefits by reducing dependence on grid power (sourced from coal and natural gas) or generators (sourced from diesel).

Umang Boards is India’s pioneer manufacturer of a complete set of cellulose-based insulation, winding wires and insulating chemicals for use in power and distribution transformers and other electrical and electronics sectors.

Uni‑Tech Automation Pvt. Ltd., founded in 1996 and headquartered in Pune with an additional Shivwal plant, is a pioneer Indian manufacturer of industrial automation hardware—producing control panels (PCC, MCC, PLC/VFD, AMF, APFC, instrumentation), wiring harnesses, custom cables, and electronic gen‑set controllers.

Unikeyic is an Asia-based online distributor and stockist of electronic components. They maintain an in-stock inventory of 200,000 electronic components and over 10 million parts available for sale, all of which are high-quality and 100% genuine products.

The company specializes in custom‑built LV, MV, and VCB panels (switchgear/panels), operating out of its plants in Gurgaon & Bawal (Haryana), and has been involved in manufacturing switchboards, bus‑ducts, etc., for industrial and infrastructure applications.

Based in Izmir, Turkey, UNIMAK serves customers worldwide with state-of-the-art production lines and components for a wide range of applications for small and large companies in different industry sectors, such as the transformer and silo, as well as the metal sheet processing industry.

Unipower Transformers Pvt. Ltd., established on May 7, 2003, and headquartered in Kunnathunad, Kerala, is a medium-enterprise transformer manufacturer specializing in cast resin, oil-cooled, ventilated transformers, prefabricated substations, and multipanel distribution systems.

Unique Transformers (Ahmedabad, Gujarat, India) is a manufacturer and supplier of a range of electrical transformers — including distribution, isolation, control, current, and line choke transformers — serving industrial and electrical applications.

United Control Engineers India Private Limited (UCEIPL), established in 2001, is a provider of industrial automation solutions, specializing in the distribution and integration of switchgear, control panels, and automation systems.

Utsav Engineering India, founded around 2011‑12 and based in Ballabgarh, Faridabad, Haryana, specializes in AVRs (Automatic Voltage Regulators), excitation panels, and voltage control / safety control panels for small and large generators.