Located just outside Chicago, Industrial Source, Inc. (ISI) is a full-service multi-line rep agency that focuses on the B2B MRO marketplace. Using our knowledge, experience, and passion for the industry, we connect business from start to finish and everything in-between. The ISI team is passionate about excellence. With a team of dedicated sales, operations, and customer service resources, ISI is known throughout the industry as experienced customer advocates and change agents who use creativity, innovation, and teamwork to drive results.