SNC Manufacturing Co., Inc. - Oshkosh, WI
Manufacturer, Custom Manufacturer
Custom manufacturer of isolation transformers. Isolation transformers are available with 100 VAC to 480 VAC primary rating, 120 VAC to 1,500 VAC secondary rating & 50 Hz & 60 Hz frequency. UL & TUV certified. ISO 9002 compliant, with JIT delivery & warranty services available.
Brand Names: SNC
www.sncmfg.com/telecom/products/high-voltag...

Johnson Electric Coil Co. - Antigo, WI
Manufacturer, Custom Manufacturer
Designer & manufacturer of dry-type single & three phase isolation transformers. Manufactured to customer requirements. Autotransformers & isolation transformers include ferro-resonant, constant voltage, high reactance, toroids, special voltage requirement, taps where needed, winding configurations, terminations to suit individual installation, unusual sizes & shapes, available from 100kVA to 250kVA. UL, CSA, CE & RoHS compliant to all domestic & international standards.
www.johnsoncoil.com/custom-products/three-p...

V-TECH Manufacturing Solutions LLC - Fishers, IN (Serving Wisconsin)
Custom Manufacturer
Custom manufacturer of power transformers including isolation & high voltage isolation transformers. Power transformers such as toroidal power transformers, EI-laminated power transformers, current transformers & switch-mode power supply transformers are fabricated. Power transformers are fabricated in single-phase & 3-phase options. Capabilities include designing, rapid prototyping, contract manufacturing, project management & customer relationship management. Power transformers are FDA approved, RoHS compliant & CSA®, CUL®, ITAR, IPC, TUV & UL® standards certified.
www.v-techmfgsolutions.com

Badger Magnetics - Milwaukee, WI
Custom Manufacturer
Designer & manufacturer of transformers including isolation, pulse & current transformers. Materials include ferrite, Kool Mu®, Metglass®, nanocrystalline, nickel steel, powdered iron & silicon steel. Toroidal isolation transformers are available in 0.5 in. to 6 in. height with 0.5 in. to 15 in. dia. & #8 to #42 wires. Single & three phases magnetic isolation transformers are available with 100 kVA electric supply, electrostatic shielding & NEMA rated & wall-mount enclosures. RoHS compliant. CSA approved. UL listed. CE & IEEE certified. Meets Military T-27 Spec. Meets TUV standards.
transformers.badgermagnetics.com/?

Isolation Transformers Capabilities
	Custom Magnetic Components/ Lamination Transformers Custom Toroidal Components

Hammond Power Solutions, Inc. - Baraboo, WI
Manufacturer, Custom Manufacturer
Design & manufacture of many types of Isolation transformers such as control, drive, general purpose & lighting.
www.hammondpowersolutions.com/

Alpha Source, Inc. - Milwaukee, WI
Distributor, Custom Manufacturer
Small business woman-owned, ISO 13485:2003 certified global distributor of medical grade isolation transformers. Premier Contracted Supplier. Health Canada registered. DOTmed & GSA contract holder. FDA registered. BBB accredited. Medical grade isolation transformers are CE listed.
Brand Names: Physio Control, Tripp Lite
netlink.alphasource.com/cgi-bin/netlink?req...

Jefferson Electric, Inc. - Franklin, WI
Manufacturer
For Motor Drives

Mastervolt Inc. - Menomonee Falls, WI
Manufacturer
Manufacturer of isolation transformers with high frequency electronics swithc technology and marine aluminum casing. For use with 120 volt and 230 volt AC systems.

MTE Corp. - Menomonee Falls, WI
Manufacturer
Manufacturer Of Inductors, Electronic Transformers