Edward's Visualization
There were a few challenges-- I haven't found a good way to show minor changes such as the addition of Beisner to the firm of Stuck, Frier, Lane, Scott Inc in such a way that the before & after firm names are intuitively connected. There is room to expand the data even further by mapping out the location of each firm as well. Even with this introductory run, Palladio proves it can be useful for a wide variety of network analyses.
The original data set can be viewed at https://docs.google.com/spreadsheets/d/1lXG9oQv3uZ7FEzK8iZLgLERNfQYwFCi_r_NnyiYRRJA