Our Leadership

We’re Committed to Your Success.

Celebrating Over Forty Years of Mastery.

Ronald E.Holmes

Founder & CEO

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.

Renee Holmes

Chief Operating Officer

Renee Holmes is the Chief Operating Officer at Holmes Mechanical Contractors, LLC.  She brings more than 25 years of senior executive experience to her role-first in the federal government and now in the corporate world. Renee is a leader in commercial construction management and business development.

Earl Genous, Jr.

Chief Financial Officer

Earl Genous, Jr., has been serving HMC since 2018 and has been a Finance and Business Executive for more than 25 years within the Prince George’s County, MD community. He has been working within the nonprofit sector for most of his career before transitioning over to serve HMC where he made a full-time commitment.

Bridget C. Shea

Chief, Construction and Project Management

Bridget C. Shea has served in a variety of leadership roles within facilities managment, project development and real estate planning. Her career spans more than 20 years of executive service within the federal, corporate and non-profit sectors. 

C o n t a c t  Us

Call Us

(301) 808-0707

Office Location

8900 Edgeworth Drive, Unit D,
Capitol Heights, MD 20743

Open Hours

M-F: 8am - 5pm, S-S, 9am - 1pm

Ask a Question or Request a Quote

Current Employment Opportunities

Site Superintendent

Project Manager


HVAC Technician –
Journeyman License / Certification