Energy Systems Group (ESG), a wholly owned subsidiary of Vectren Corporation (NYSE: VVC), is a leading energy services provider that specializes in energy efficiency, sustainability, and infrastructure modernization solutions in the government, education, healthcare, commercial, and industrial sectors. Accredited by the National Association of Energy Service Companies (NAESCO) as an energy services provider, ESG’s comprehensive solutions include facility-wide audits, engineering and design services, construction and project management, operations and maintenance, and measurement and verification of savings.
Energy Systems Group
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