The field of industrial-organizational (I-O) psychology is centered around understanding work from a psychological perspective. It will allow you to apply knowledge about psychology to organizations.
The U. S. Department of Labor's new Dictionary of Occupational Titles informs us that I-O Psychology will be the fastest growing occupation between now and 2022. Here's the link to a brief story --
As an I-O psychologist, you can contribute to the success of organizations by improving employee performance and wellbeing. According to the Society for Industrial and Organizational Psychology (SIOP), I-O psychologists assist organizations by:
For information about the professional society (APA Division 14) please check out the website www.SIOP.org