(01) AAA Acme General Electrical Power Transformer Distribution: is a leading American electrical power transformer supplying company for a wide range of high quality single phase and 3-phase electrical transformers (including Acme transformers, GE transformers, Hammond transformers, Marcus transformers, Sola transformers and TEMCo transformers) at wholesale prices in the U.S.

• URL: http://www.electricalpowertransformer.com/

(02) SNC Manufacturing Co. in Wisconsin (WI) is a US manufacturer & marketer of transformers, coils, high frequency magnetics and value-added assemblies. The company can custom design Three-Phase Transformers to meet your specific 3-phase transformer requirements regarding primary and secondary voltages, power ratings, line frequency (50/60 Hz), etc.

• URL: http://www.sncmfg.com/transformers/products/power/three-phase

(03) Pulse Electronics in California, US offers a complete line of power magnetics for voltage conversion applications in a wide variety of packaging options from through-hole to surface mount. The company has a long operating history of innovation in power transformers such as the switchmode power transformers (SMT and THT), and the 50/60 Hz open-frame transformers.

• URL: http://www.pulseelectronics.com/products/power

(04) Sumida Corporation in Japan designs and manufactures a wide range of electrical power transformers including the switched mode transformers (surface-mount transformer / SMT, and through-hole transformer / THT), and strobe flash transformer.

• URL: http://www.sumida.com/en/products/power_main.php

(05) Delta Group has over 40 years of experience in the design and OEM manufacture of power electrical transformers which are fully complied with EMI and safety requirements. Delta’s transformer product range includes common chokes, current sensing transformers, DC-DC converter transformers, planar transformers, and switching power transformers.

• URL: http://www.deltaww.com/Products/CategoryListT1.aspx?CID=0403&hl=en-US

(06) Shenzhen Click Technology Co., Ltd. (ClickEle.com) is specialised in the design and manufacturing of power supply transformers (including high-power switching transformer for PC, UPS and LED lighting applications), and new energy transformers (for solar inverter, EV charge pile/station and smart e-meter applications).

• URL: http://www.clickele.com/en/Transformer1.aspx?pid=6

(07) Elecinfo.com (affiliated with the DianYuan.com) is a professional blog established in the October 2002 for serving the power electrical industry in China. One of the primary goals of this professional power products website is to provide a platform for power transformer information & technology exchange, power transformer exhibitions, and sharing of power electrical transformer resources and power transformer industrial/market news in both China and overseas.

• URL: http://www.elecinfo.com/page/transformer/

(08) Specialty Magnetics (Spec-Mag.com) has a high level of engineering and manufacturing capability in custome dry-type transformers such as the control power transformer, data center transformer, interphase transformer, high efficiency transformer, low voltage transformer, medium voltage transformer, neutral grounding transformer, phase shifting transformer (poly-phase transformer), potential transformer, welding transformers, transit transformer, zig zag grounding transformer, etc.

• URL: http://www.spec-mag.com/products.html

(09) TEMCo Transformer is founded in 1968 and the company designs and specs the manufacture of industrial grade European Voltage Transformers (Standard & Custom Transformers) specifically engineered for European electronic & electrical applications. TEMCo European Transformers come with all copper windings and have an Energy Star rating.

• URL: http://www.temcotransformer.com/european-voltage-transformers.html

(10) Custom Transformers Ltd. in Malmesbury of England is a UK transformer manufacturer and supplier specialises in the custom design & manufacture of electrical transformers and wound parts for European devices & equipment. The company can provide a range of European transformers (Laminated transformers, Toroidal transformers, Ferrite transformers, Mains transformers) and bespoke wound parts.

• URL: http://www.custom-transformers.co.uk/

(11) Transformer Engineering (Trenco.com) is a global manufacturer of a variety of custom designed electromagnetic products including the 18 pulse autotransformer, isolation transformer, control & power dry type transformer, grounding transformers for pv power system, harmonic compensated transformer, stepup and stepdown transformers and many more.

• URL: http://www.trenco.com/