S & T Bancorp, Inc. (S&T) is a bank holding company that has three wholly owned subsidiaries, S&T Bank, S&T Investment Company, Inc. and S&T Insurance Company, LLC. S&T Bank is a full service bank providing service to its customers through a branch network of 40 offices located in Armstrong, Allegheny, Indiana, Jefferson, Clarion, Clearfield and Westmoreland counties.