US Number of Private Business Establishments By State in the NAICS 561611 Investigation services 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 561611 Investigation services Industry (701), followed by Florida (639), and Texas (399).

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 561611 Investigation services Industry in 2025 Q1

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1K to 2.5K

2.5K to 5K

5K to 10K

Over 10K

US Number of Private Business Establishments By State in the NAICS 561611 Investigation services Industry in 2025 Q1

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State	Number of Business Establishments
Alabama	87
Alaska	13
Arizona	157
Arkansas	48
California	701
Colorado	154
Connecticut	81
Delaware	57
Florida	639
Georgia	197
Hawaii	24
Idaho	52
Illinois	188
Indiana	80
Iowa	40
Kansas	37
Kentucky	63
Louisiana	81
Maine	43
Maryland	104
Massachusetts	105
Michigan	116
Minnesota	55
Mississippi	61
Missouri	78
Montana	32
Nebraska	37
Nevada	71
New Hampshire	36
New Jersey	115
New Mexico	49
New York	354
North Carolina	182
North Dakota	21
Ohio	172
Oklahoma	101
Oregon	74
Pennsylvania	164
Rhode Island	29
South Carolina	93
South Dakota	18
Tennessee	121
Texas	399
Utah	74
Vermont	25
Virginia	137
Washington	85
West Virginia	52
Wisconsin	81
Wyoming	10