Manufacturing of specialty transformers, including indoor and outdoor instrument transformers, open core and coil transformer units, arc welder transformers, and high-intensity discharge lamp transformers (excluding fluorescent lamp ballasts)

Facility	City	State	Employees	Status
Acopian Technical Company	Easton	PA	20–99	● ACTIVE
A M I/ Coast Magnetics INC.	Los Angeles	CA	20–99	● ACTIVE
Amtec Industries INC	Pleasanton	CA	20–99	● ACTIVE
Calex Mfg. Co., INC.	Concord	CA	—	● ACTIVE
Control Automation Technologies INC	Coamo	PR	20–99	● ACTIVE
Ess Metron, LLC	Denver	CO	100–499	● ACTIVE
Hitachi Energy USA INC	Bland	VA	100–499	● ACTIVE
Hitran Corporation	Flemington	NJ	20–99	● ACTIVE
Instrument Transformer Equipment Corporation	Monroe	NC	100–499	● ACTIVE
Midwest Electric Transformer Services, INC	Hesston	KS	20–99	● ACTIVE
Milpower Source, INC.	Belmont	NH	20–99	● ACTIVE
Northeast Power Systems, INC.	Queensbury	NY	20–99	● ACTIVE
Reinhausen Manufacturing INC	Humboldt	TN	100–499	● ACTIVE
Sherman + Reilly, INC.	Chattanooga	TN	100–499	● ACTIVE
Snc Manufacturing Co., INC.	Oshkosh	WI	20–99	● ACTIVE
Watteredge, LLC	Avon Lake	OH	—	● ACTIVE
Weg Transformers USA LLC	Washington	MO	100–499	● ACTIVE
1al Solutions LLC	Weston	FL	—	● ACTIVE
Abbott Technologies, INC	Sun Valley	CA	—	● ACTIVE
Advanced Electrical and Motor Controls, LLC	Irving	TX	20–99	● ACTIVE
Aq Transformer Solutions INC.	Wytheville	VA	—	● ACTIVE
C & C Power INC	Carol Stream	IL	—	● ACTIVE
CPComputer Power Supply, INC	Portland	OR	—	● ACTIVE
Delta Star, INC.	Lynchburg	VA	—	● ACTIVE
Elgin Power Solutions, INC.	Beaver	WV	100–499	● ACTIVE

FactoryRegistry lists 608 facilities whose primary industry classification is one of the 1 industry above. This is a list by industry, not a list of makers: Census reports that establishments in these industries produced specialty transformers, including indoor and outdoor instrument transformers, open core and coil transformer units, arc welder transformers, and high-intensity discharge lamp transformers (excluding fluorescent lamp ballasts), in the shares shown above, and does not say which establishments. Where a plant’s own website or a federal registry names what that plant makes, it appears on the plant’s own page with the source named.