According to data from the US Bureau of Labor Statistics, in 2021 Q4, the number of business establishments in the professional and technical services industry in Illinois was 59,250. The number of establishments added in 2021 Q4 was 1,798.

The first chart below shows the number of establishments and the second chart shows the number of establishments added in each quarter. You can also see this information in the table below.

You can see similar information for different types of businesses establishments and industries.

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