US Number of Private Business Establishments By State in the NAICS 334515 Electricity and signal testing instruments Industry in 2025 Q1

Updated on April 2, 2026.

According to data from the US Bureau of Labor Statistics, in 2025 Q1, among all US states, California had the highest number of private business establishments in the NAICS 334515 Electricity and signal testing instruments Industry (265), followed by Texas (110), and Florida (105).

The chart and table below shows the number of business establishments for each state.

You can see similar information for other industries and sectors.

Related Topics: US BLS Topic List.

Data Source: US Bureau of Labor Statistics (QCEW).

See this for other quarters:

US Number of Private Business Establishments By State in the NAICS 334515 Electricity and signal testing instruments Industry in 2025 Q1

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1K to 2.5K

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US Number of Private Business Establishments By State in the NAICS 334515 Electricity and signal testing instruments Industry in 2025 Q1

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State	Number of Business Establishments
Alabama	20
Arizona	18
Arkansas	4
California	265
Colorado	26
Connecticut	7
Florida	105
Georgia	43
Idaho	11
Illinois	51
Indiana	8
Iowa	2
Kansas	9
Kentucky	14
Louisiana	2
Maine	1
Maryland	25
Massachusetts	41
Michigan	49
Minnesota	12
Mississippi	3
Missouri	16
Montana	6
Nebraska	4
Nevada	4
New Hampshire	15
New Jersey	45
New Mexico	13
New York	66
North Carolina	39
North Dakota	1
Ohio	39
Oklahoma	11
Oregon	22
Pennsylvania	21
Rhode Island	4
South Carolina	23
South Dakota	1
Tennessee	21
Texas	110
Utah	33
Vermont	1
Virginia	46
Washington	36
Wisconsin	9