According to data from the US Bureau of Labor Statistics, in 2024 Q3, Massachusetts had 1,744 number of private business establishments in the NAICS 541990 All other professional and technical services Industry. Among all Massachusetts counties, Middlesex had the highest number of private business establishments (413), followed by Suffolk (186), and Essex (142).

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

You can see similar information for other states, and for the United States.

You can see similar information for other industries.