The fourth edition of BioCrossroads’ Book of Data and Organizations – a growing directory of Indiana enterprises in the health-data intersection – includes information on Indiana’s industry, government, health systems, academia, and digital health startups that have tremendous data and technology resources which are driving transformative healthcare and life sciences work locally and globally. The directory now includes snapshots of 40 organizations who control data assets – data sets, data talent, and/or data technology — as well as five cross-organizational initiatives, who collaborating for a specific data project or program.