COELMO design and manufactures Industrial and Marine Generating Sets from 3 to 4000 kVA since 1946.

Having three production plants, an integrated management system for engineering and production, a wide distribution network and international after sale service, COELMO is able to manufactures Generating Sets for all applications while supporting after sale services anywhere, anytime.

COELMO constantly invests in industrial and technological R&D to combine reliability of traditional energetic sources with innovative green technologies. COELMO plays a leading role with significant market shares in several sectors, from telecommunications to oil & gas, military to humanitarian organizations, from leisure to commercial marine.

COELMO’s quality is certified according to UNI EN ISO 9001:2015, 14001:2015, SA 8000:2014, OHSAS 18001:2007.

With 70 years of experience and several projects successfully completed, COELMO is able to  provide engineering, project management, installation, testing, commissioning, maintenance and technical assistance of Generating Sets worldwide.


To establish a company which develops aspiration and personal wealth for its workers, through constant and daily commitment.


To be the first idea and choice for Distributed Electric Generating Systems.


  1. Excellence: Everything we do, must be above expectations.
  2. Dynamic: To consider change as a constant condition.
  3. Leadership: To guide others openly and honestly.
  4. Accountability: Performance depend on our actions.
  5. Awareness: Be prepared to deliver excellence.
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Company Information
Acerra, Italy