NEW YORK, NY / ACCESSWIRE / June 4, 2021 / Juan Monteverde, founder and managing partner at Monteverde & Associates PC, a national securities firm rated Top 50 in the 2018-2020 ISS Securities Class Action Services Report and headquartered at the Empire State Building in New York City, is investigating: * Communications Systems, Inc. (NASDAQ:JCS) relating to its proposed merger with Pineapple Energy, Inc.