All careers can be separated into 16 clusters.
Career Clusters contain occupations in the same field of work that require similar skills. Students use Career Clusters to help focus education plans towards obtaining the necessary knowledge, competencies, and training for success in a particular career pathway.
List of 16 Career Clusters: https://www.careertech.org/sites/default/files/CareerClustersPathways.pdf
Website to explore Career Clusters: http://www.onetonline.org/find/career?c=0&g=Go