Cogun uses the Engineering News-Record (ENR) which publishes a Building Cost Index (BCI) that is widely known and used in the construction industry. The Building Cost Index has a materials and labor component embedded in its index. In the second issue of each month, ENR publishes the BCI, materials index, skilled labor index and common labor index for 20 cities and the national average. The first issue also contains an index review of all five national indexes for the latest 14 month period. If you would like more information on the index methodology and a complete history of the 20-city national average for this Building Cost Index – please click here. The Engineering News-Record provides the news, analysis, commentary and data that construction industry professionals use to do their jobs more effectively. The ENR audience includes contractors, project owners, engineers, architects, government regulators and industry suppliers … many of whom work around the world. ENR connects diverse sectors of the industry with coverage that everyone needs about issues such as design, construction methods, technology, safety, law, legislation, environment, and labor.