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

Facility	City	State	Employees	Status
TETeledyne Etm, INC.	Newark	CA	—	● ACTIVE
TITeledyne Instruments, INC.	Houston	TX	100–499	● ACTIVE
Teledyne Instruments, INC.	San Diego	CA	—	● ACTIVE
Telemetry Solutions INC	Concord	CA	—	● ACTIVE
Telephonics CORP	Farmingdale	NY	—	● ACTIVE
TTTell Tool INC	Westfield	MA	100–499	● ACTIVE
Tempco Electric Heater Corporation	Wood Dale	IL	—	● ACTIVE
TSTemperature Specialists, INC.	Saint Francis	MN	—	● ACTIVE
Temposonics, LLC	Cary	NC	100–499	● ACTIVE
Testequity LLC	Moorpark	CA	—	● ACTIVE
Texas Aerospace Technologies, LLC	Abilene	TX	—	● ACTIVE
Texmate, INC.	Carlsbad	CA	—	● ACTIVE
Thayermahan, INC	Groton	CT	100–499	● ACTIVE
The Boeing Company	Seal Beach	CA	—	● ACTIVE
The Boeing Company	Albuquerque	NM	—	● ACTIVE
The Concrete Edge CO	Orlando	FL	20–99	● ACTIVE
Thermetrics, LLC	Seattle	WA	—	● ACTIVE
Thermometrics Corporation	Northridge	CA	—	● ACTIVE
Thermoworks INC.	American Fork	UT	—	● ACTIVE
Thierica, INC.	Grand Rapids	MI	—	● ACTIVE
Thwing-albert Instrument CO	West Berlin	NJ	20–99	● ACTIVE
Tmmi, LLC	Wheat Ridge	CO	1–19	● ACTIVE
Topcon Positioning Systems, INC	Livermore	CA	—	● ACTIVE
Trans-cal Industries, INC	Van Nuys	CA	—	● ACTIVE
Tsi Incorporated	Shoreview	MN	—	● 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.