Recently, there has been a significant increase in capital investments made by firms that expect to make more use of the various byproducts of shale gas production, or whose products are essential to the extraction of shale gas. Chemical-makers and other manufacturing industries investments could eventually add up to $75 billion according to Kevin Smith, chief economist for the American Chemistry Council. Here, a few examples of the more significant recent developments that observers have linked to the natural gas boom are depicted. Also shown are the current shale plays throughout the lower 48 states according to the U.S. Energy Information Administration.