Manufacturing of test equipment for testing electrical, radio, and communication circuits, and motors (excluding portable instrument transformers)

Facility	City	State	Employees	Status
TSTube Specialties, INC.	Tempe	AZ	20–99	● ACTIVE
Turnamatic Machine INC	Richardson	TX	—	● ACTIVE
Turner Designs, INC.	San Jose	CA	—	● ACTIVE
Unilux INC	Saddle Brook	NJ	—	● ACTIVE
United Aeronautical Corporation	North Hollywood	CA	—	● ACTIVE
United Process Controls INC	Oak Creek	WI	20–99	● ACTIVE
Universal Instruments Corporation	Conklin	NY	—	● ACTIVE
U. S. Dynamics Corporation	Amityville	NY	—	● ACTIVE
VPVanguard Products Corporation	Danbury	CT	20–99	● ACTIVE
VMVenture Measurement Company LLC	Spartanburg	SC	20–99	● ACTIVE
Vishay Measurements Group INC	Wendell	NC	—	● ACTIVE
Waltron Bull & Roberts, LLC	Flemington	NJ	—	● ACTIVE
Welding Company of America	Aurora	IL	—	● ACTIVE
WIWika Instrument LP	Lawrenceville	GA	500+	● ACTIVE
WMWika Mobile Control, LP	Chambersburg	PA	20–99	● ACTIVE
WSWika Sensor Technology LP	Lewis Center	OH	20–99	● ACTIVE
Xigent Automation Systems INC	Lewis Center	OH	—	● ACTIVE
Yaskawa America INC	Miamisburg	OH	—	● ACTIVE
Yokogawa Corporation of America	Sugar Land	TX	100–499	● ACTIVE
2ek Enterprise INC.	Newton Highlands	MA	—	● ACTIVE
3I3deo INC	Norwood	MA	—	● ACTIVE
3d-sensir INC	Santa Clarita	CA	—	● ACTIVE
7th Sense LLC	Saint Augustine	FL	—	● ACTIVE
8 Tree, LLC	Rancho Cucamonga	CA	—	● ACTIVE
A&a Harris Enterprises	Alameda	CA	—	● ACTIVE

FactoryRegistry lists 3,820 facilities whose primary industry classification is one of the 4 industries above. This is a list by industry, not a list of makers: Census reports that establishments in these industries produced test equipment for testing electrical, radio, and communication circuits, and motors (excluding portable instrument transformers), 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.