By continuing to use our website, we assume that you accept the use of cookies. Learn more. I agree. +1-952-996-1674 Corporate Overview Diversity & Inclusion Corporate Governance » CSI Companies » Investor Resources Financial Reports » CSI News Contact Us Deliver, Manage & Optimize Your Broadband Network Communications Systems, Inc. brings tradition and innovation together in a robust company focused on keeping people and businesses connected. Established as a regional telecommunications firm in 1969, CSI has deep roots in the Midwest and a global reach that extends to customers in more than 100 countries worldwide. We’re proud to celebrate more than 40 years of innovation and business excellence on behalf of our customers, partners, investors and other stakeholders. The company proudly nurtures the entrepreneurial, problem-solving spirit throughout our four business units, and our newest initiative to drive operational excellence at all levels further strengthens this focus. Through our business units, CSI provides physical connectivity infrastructure, broadband network services, fiber optics integration, information technology, and other tools and services that enable client networks to be optimized from the edge to the end-user. Read more about the CSI companies here. Learn more about our Diversity & Inclusion Statement NASDAQ: JCS JCS Chart by TradingView News Communications Systems, Inc. Announces Agreement to Merge with Pineapple Energy, LLC March 2, 2021 Communications Systems, Inc. Appoints Anita Kumar as Chief Executive Officer December 1, 2020 Communications Systems, Inc. Acquires IVDesk’s Operating Assets November 5, 2020 All News CSI Companies © 2020 Communications Systems, Inc. | Site Map | Legal | Careers | Privacy Policy