U.S. Department of Commerce

Business Help Site

You are here: BHS MainBusiness and Professional Classification Survey (SQ-CLASS) FAQs › Sample Selection
Business and Professional Classification Survey (SQ-CLASS)
Skip top of page navigation

Join us on Facebook
Follow us on Twitter

Sample Selection


14.  How was I selected for the survey?

This survey covers firms or establishments with Employer Identification Numbers (EINs) that are newly assigned or recently reactivated by the Internal Revenue Service (IRS). From this universe, a stratified sampling procedure is used to sample approximately 14,000 firms or establishments. Strata are based on NAICS codes and quarterly payroll.

back to category



15.  How long will I be in the survey?

Firms or establishments that are selected to be a part of the survey will only be contacted once and will report 2 months of data for the Business and Professional Classification Survey.

back to category



16.  I am a very small business. Why do you want information from me?

Taken together, small businesses have a real impact on the economy. Your firm was chosen from a scientifically selected sample of businesses and represents many other small businesses like yours.

back to category




Source: U.S. Census Bureau | BHS Team |   Last Revised: January 17, 2013 18:03:19