- EMCOR Group (Chicago, IL)
- **Description** **About Us:** ECM Holding Group Inc, an EMCOR Company, is a Nation-wide company that provides energy conservation technologies and solutions to ... Local Government, Commercial & Industrial businesses, and K-12 Schools. ECM provides long term cost savings to our customers...and other necessary work as directed by the Operations Manager or the company owners. + Prepares thoroughly, familiar… more