The three index tables on this page each represent various components of ENR’s two primary indexes. The Materials Price Index is the materials component for both of ENR’s cost indexes. The Common Labor Index is the labor component of ENR’s Construction Cost Index and the Skilled Labor Index is the labor component of ENR’s Building Cost Index. Related Links: Inflation Reverses Course As Recession Floors Prices Renegotiations Make Bad Times Worse Labor Deals with Uncertainties What Drives ENR’s Cost Indexes How To Use ENR’s Cost Indexes View Complete Report with Data and Analysis ENR only publishes cost index history tables