Marangoni•Meiser is already operate a joint venture in Brazil—launched operations at their new Power Transformer Cooling Systems facility in the United States in 2025. Located in Indianapolis, Indiana—a major U.S. industrial hub—the Marangoni•Meiser plant is already producing radiator fans.
La Marche Manufacturing Co.
Celebrating 80 years of innovation, La Marche Manufacturing Co. is a trusted U.S. manufacturer of AC/DC power solutions for the railway industry. From battery chargers and inverters to rectifiers and custom DC systems, our equipment is built to meet the critical demands of rail signaling, communication, and infrastructure. Known for durability, precision, and performance, La Marche products are engineered to keep rail operations running smoothly and safely. | La Marche Manufacturing Company is a U.S.-based manufacturer specializing in AC & DC power conversion solutions. Founded in 1945 and headquartered in Des Plaines, Illinois, it produces battery chargers, rectifiers, inverters, and power supplies, serving industries requiring reliable, uninterrupted electrical performance and customized engineering solutions.
Itesa
ITESA is Peru’s leading exporter of electrical transformers, with over 30 years of experience and more than 3,000 units delivered to the United States. We serve utilities, oil & gas, mining, wind, and solar industries with a product portfolio that includes single-phase pole-mounted, pad-mounted compact, substation, and submersible vault transformers—engineered
Fushun Electric Porcelain Manufacturing Co., Ltd
Shaanxi Sefon Electrical Equipment Co., Ltd. founded in 2009, is a high-tech enterprise integrating R&D, design, production, sales, service, and general contracting of power engineering. With strict quality control systems, solid technical foundations, advanced production equipment, sophisticated manufacturing processes, rich project experience, and comprehensive service support.
Dantherm Cooling
Dantherm Cooling is the leading authority in industrial cooling and climate control systems for mission critical market segments and digital infrastructure. With over 300,000 climate control units sold, our wide range of innovative and proprietary product designs are designed to perform in a wide range of applications and climates.
CHINA ZBB GROUP SHANGHAI TRANSFORMER CO., LTD.
China ZBB Group Shanghai Transformer Co., Ltd., founded 1985, is in Shanghai Jinshan High-tech Zone. It has 445 staff and 300+ advanced equipment. Its portfolio covers 110kV & below transformers (dry-type/oil-immersed) and switchgear—50+ series, 200+ varieties. Core capacity: 13.78M kVA/year, energy-efficient. ISO & national certified. As a National “Little Giant” Enterprise, it passed 2017 State Grid review, with products serving construction, PV/wind power, chemical and mining sectors. | CHINA ZBB GROUP, founded in 1985, is a high-tech enterprise specializing in power transformers. With strong R&D and certifications, it provides reliable, energy-saving electrical equipment for global power systems.
Changchun Sanding Transformer Co., Ltd.
Our main products are Power Transformer (500kV and below), Furnace Transformer (220kV and below), Rectifier Transformer (330kV and below), Reactor(220kV and below), etc.
AEMC Instruments
AEMC® Instruments, provides professional electrical test, measurement, and protection solutions for industrial, commercial, utility, and infrastructure markets. Our portfolio ranges from power quality analyzers, ground resistance testers and insulation resistance testers to auxiliary relays, analog transducers, and panel meters. Chauvin Arnoux founded in 1893 and AEMC® Instruments (part of the Chauvin Arnoux® group) founded in 1976 are industry leaders in current measurement probes, power quality and energy analyzers, ground resistance testers (including our revolutionary tower testing system) and insulation resistance testers. Our full product line also includes clamp-on meters, transformer ratiometers, power quality meters, harmonic power meters, data loggers, multimeters, light meters, micro-ohmmeters, oscilloscopes, cable testers, environmental testers, thermal imaging cameras and numerous other electrical test instruments. We are expanding our offering to include proven auxiliary relays, analog transducers, and panel meters from our European partners for demanding U.S. applications such as nuclear power plants and rail systems. In addition to our products, AEMC® offers seminars and webinars on ground resistance, insulation resistance, and power quality testing. Our products are backed by over 130 years of experience in test and measurement instruments and encompass the latest international standards for quality and safety. All AEMC® solutions are designed and manufactured to meet the latest international standards for quality and safety and are available through a worldwide network of distributors. We also develop custom products on an OEM basis. | For over 130 years, AEMC® Instruments has manufactured professional electrical test and measurement instruments. We are an industry leader in ground resistance testers, insulation resistance testers, power quality analyzers and loggers, current measurement probes and much more. Stop by booth 3867 and take a chance to win a free product.
Advanced Power Technologies
Advanced Power Technologies develops unique product solutions for the transformer monitoring market. Our focus has always been to develop the best and most reliable technology at an affordable price. All our transformer monitoring products are covered by a Lifetime Warranty and Never Requires Calibration.

