Piela Electric, Inc. - Preston, CT (Serving Eastern Massachusetts)
Distributor, Custom Manufacturer, Service Company
Stocking distributor of transformers including distribution & electric transformers. Specifications of electric transformers include 0.1 KVA apparent power, 240 V & 480 primary voltage & 120 V & 240 V secondary voltage. Outdoor mountable electric transformers are available with dry NEMA 3R enclosures.
Brand Names: Square D
www.pielaelectric.com/inventory/details.cfm...

BDI - Locations
Distributor, Custom Manufacturer, Service Company
Distributor of transformers. Also offers generatiors, automation systems and electric components.
www.bdi-usa.com/

Merrimac Industrial Sales - Haverhill, MA
Distributor, Service Company
Distributor of complete line of electric transformers including single phase transformers, three transformers, buck & boost transformers, machine tool transformers, control transformers, signaling transformers, ignition transformers, motor drive transformers & auto testing transformers. Industries served include automotive, food, communication, electrical machinery, electronics, leather, textile & rubber. Products meet Military Specs.
Brand Names: ABB, Adlet, Aitken, Akron, Bero, Chessell, Dongan, EMM, Halmar, Halmar Robicon, Hammond, ISOMAX,...
www.merrimacindustrial.com/Prod_Transformer...

Spectrum Industries, Inc. - Peabody, MA
Distributor, Service Company
Distributor of transformers for control of various levels of current and voltage. Various types include: indoor, outdoor, low, medium, and high voltage, auxiliary and bushing current, control power, grounding, multi-ratio, potential, split core, take-apart and three phase transformers. Options include base mounted or without base, fused or unfused, custom moldings, single and double bushing and various ratios. Custom transformers are also available.
Brand Names: ABB, Ritz
www.spectrumind.com/transformers.html

Bomara Associates - Chelmsford, MA
Distributor, Manufacturers' Rep, Service Company
Distributor and mfr's rep. of network and power transformers. Types include step-down and tower isolation transformers for powering computer loads. Various features include rack based design, surge/noise attenuation and limit fault current.
Brand Names: APC
www.bomara.com/APC/index.htm

Murata Power Solutions - Mansfield, MA
Manufacturer, Custom Manufacturer
ISO 9001:2000, ISO 14001:2004 & RoHS compliant certified worldwide manufacturer of transformers for wideband & pulse applications. Specifications include primary inductance ranging from 3.0 mH to 12 mH, interwinding capacitance ranging from 23 pF to 30 pF, DC resistance for primary winding ranging from 1.2 ohms to 4.0 ohms, DC resistance for secondary winding ranging from 1.7 ohms to 2.4 ohms, isolation voltage of 2000 Vrms, 300 degrees C lead temperature, operating temperature ranging from 0 degree C to 70 degrees C. Applications include signal isolation & isolated power supplies. RoHS compliant.
Brand Names: Datel
www.murata-ps.com/en/products/magnetics.htm...

Imtra Corp. - New Bedford, MA
Distributor, Manufacturer, Custom Manufacturer, Manufacturers' Rep
Manufacturer & distributor of transformers including AC & DC electronic transformers & magnetic toroidal transformers. Various features include incandescent, magnetic & electronic dimmers, resistance to high ambient temperature, overload & thermic protection with auto-reset, integrated protected terminal blocks & lightweight. Applications include track, rail, cable & track kits. Stock items are also available. On-time delivery.
Brand Names: IMTRA
www.imtra.com/index.htm

McGrath, E., Inc. - Salem, MA
Distributor
Distributor of voltage transformers. Available with 120 to 480 V, 25 kVA to 67.8 kVA, three phase power supply.

MTM Power, Inc. - Rehoboth, MA
Manufacturer
Design & manufacturer of transformers & transformer power supplies. Standard & individual power supplies within a power range of 5 to 3,000 W. Dedicated to applications in rugged stationary & mobile environments. DIN EN ISO 9001:2008 certified, customized solutions, own EMC laboratory, encapsulation technology, CB-Scheme/VDE/UL/cUL certified.

Siemens Venture Capital, Inc. - Boston, MA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of power transformers rated 20 MVA & larger, for all voltages & for all types of units, including generator step-up transformers, autotransformers & LTC transformers. Also manufacture shunt reactors & phase-angle regulating transformers.

OSRAM SYLVANIA - Danvers, MA
Manufacturer, Custom Manufacturer
Manufacturer of power transformers rated 20 MVA & larger, for all voltages & for all types of units, including generator step-up transformers, autotransformers & LTC transformers. Also manufacture shunt reactors & phase-angle regulating transformers.

Magcap Engineering, LLC - Canton, MA
Manufacturer, Custom Manufacturer, Service Company
Transformers Up To 70 KVA, Single & Three Phase

Jenem Sales, Inc. - Foxboro, MA
Custom Manufacturer, Manufacturers' Rep
Manufacturer's rep. of transformers including automatic, cast coil, control, current, custom, distribution, drive isolation, dry type, electric, high voltage, industrial control, inverter, machine tool control, power, single phase & step up & step down transformers.

Beyond Components LLC - Westford, MA
Distributor, Manufacturer
Stocking distributor of transformers for electronic & industrial control applications. Types include buck-boost, control, drive isolation, encapsulated distribution, medium & low voltage, motor starting, dry-type power, audio, insulating, gate drive, rectifier, impedance matching, printed circuit, strip-down & step-up transformers. Custom transformers are also available.
Brand Names: Acme, Dongan, Hammond, MTE, Micron, RCD, Stancor, Thordarson, Triad Magnetics

Metropac Industries - Foxboro, MA
Distributor
HVAC/R master distributor selling to wholesalers, OEM's & manufacturer reps. National distributor of residential & commercial controls, combustion testing equipment & commercial components including HVAC controls & valves, actuators, damper actuators, combustion analyzers, controllers, air conditioner controls, burner controls, draft controls, heat pump controls, furnace controls, zone controls, low water cutoffs, leak detectors, energy management controls, boiler water feeders, boiler water circulating pumps, fuel pumps, temperature sensors, HVAC thermistors & thermostats, control valves, ball valves, check valves, temperature control valves & zone valves.
Brand Names: Allanson

Airport Supplies & Service, Inc. - Ipswich, MA
Manufacturer, Service Company
Replacement Repair Parts For Ground Support Equipment, New & Used Parts

East Coast Induction - Brockton, MA
Distributor, Manufacturer, Manufacturers' Rep, Service Company
Manufacturer of induction heating transformers & output transformers. Also offers rebuilding services for isolation transformers. Types of transformers include power transformer, filament transformer, & plate transformer. New & rebuilt RF output transformers available.

Wayne Kerr Electronics, Inc. - Woburn, MA
Manufacturer, Custom Manufacturer
Custom manufacturer of transformers for indoor applications. Specifications of transformers include 440 mm W x 520 mm D x 150 mm H dimension, minus 40 degrees C to plus 70 degrees C storage temperature range, 0 degrees C to 40 degrees C operating temperature, 80 percent non-condensing relative humidity & 11 kg weight.

Trans Mag Corp. - Lowell, MA
Manufacturer, Custom Manufacturer
Manufacturer & design of custom transformers & related magnetics. Wide range of assembly services from single terminal crimp to complete chassis or box build including wire harnessing. Computerized testing, insulation systems Class B thru Class H, units built to meet UL, cUL, EN & IEC requirements. Prototypes, small runs or large production. 50/60 Hz transformers rated 1 watt-15 KVA, 1-0/3-0, vacuum impregnation & epoxy encapsulation.

M. V. Mason Electronics, Inc - Walpole, MA
Custom Manufacturer
Custom Manufacturing Of Inductors And Transformers, Products Include Toroidal, Isolation, Power, Pot Core, Signal, Switching And Flyback Transformers, As Well As A Wide Selection Of Inductors And Chokes.

Kitko International, Inc - Salem, MA
Distributor
Distributor Of Electronic & Industrial Products Including Adapters, Resistors, Power Supplies, Transformers & More.

Gemini Automation, Inc. - Wrentham, MA
Manufacturer, Custom Manufacturer, Service Company
Designers & manufacturer of control panels with parts including motors, transformers, switches, control relays & PLC. Capabilities include custom build control system, prototype machining, PLC & OIT programming & fabrication of special & OEM parts.