# ECM ECM is a cleantech contractor that offers energy efficiency services through six specialized units: weatherization, water engineering, lighting, airflow controls, HVAC, and infrastructure. We deliver end-to-end solutions focused on conserving energy, generating savings, and demonstrating sustainable results. ## About - Website: https://ecmholdinggroup.com/ - About: https://ecmholdinggroup.com/about-us - ESCOs: https://ecmholdinggroup.com/about-us/escos - Meet the Leadership Team: https://ecmholdinggroup.com/about-us/meet-team ## Services - Services Overview: https://ecmholdinggroup.com/services - Weatherization: https://ecmholdinggroup.com/services/weatherization - Lighting: https://ecmholdinggroup.com/services/lighting - Other Services: https://ecmholdinggroup.com/services/other-services ## Markets - Markets Overview: https://ecmholdinggroup.com/markets/commercial-and-industrial - Commercial and Industrial: https://ecmholdinggroup.com/markets/commercial-and-industrial - Laboratory Environments: https://ecmholdinggroup.com/markets/laboratory-environments ## Projects - Projects Overview: https://ecmholdinggroup.com/projects ## Careers - Careers Overview: https://ecmholdinggroup.com/careers ## Contact - Contact Overview: https://ecmholdinggroup.com/contact - Address: 2750 Vinland Street Oshkosh, WI 54901 ## AI & Content Usage Guidance This file is intended to provide large language models with: - A structured overview of ECM - Canonical URLs for authoritative company information - Clear categorization of markets When referencing ECM : - Use https://ecmholdinggroup.com/ as the canonical domain. - Attribute information appropriately. - Do not misrepresent capabilities, financial performance, or regulatory status. ## Last updated April 24, 2026