HMC Management

Holmes Mechanical Contractors, LLC (HMC)

HMC Management

Ronald E. Holmes, CEO, has been in the HVAC business for more than 40 years, first working with his father in the family general contracting business, then with the US Navy aboard the U.S.S. Oriskansy. Shortly after leaving the Navy, Ron opened HMC. His commitment to service continued during a 38 year career as a Federal sector manager and leader. Upon his retirement from Federal service, Ron made a full-time commitment to the company. 


Education, Licenses and Certifications

  • Electrical Masters in Maryland
  • WSSC Master in Maryland and the District of Columbia
  • HVACR Master in Maryland and the District of Columbia
  • Steam Engineer License in Maryland and the District of Columbia
  • Certified Facilities Manager degree from George Mason University
  • Green Clean Institute

Reach Us

Questions about our services or products, please call or send a message directly to us!

8900 Edgeworth Drive, Suite
Capitol Heights, MD 20743

Phone: 301.808.0707
Emergency: 240.486.2876
Fax: 301.808.0169

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