News
Explore company news, project highlights, community involvement, and industry insights. From new contracts and safety milestones to employee spotlights and innovations in mechanical contracting see how R.W. Warner continues to build on a legacy of leadership and excellence.
News
R.W. Warner, Inc.: A Legacy of Excellence Since 1937:
From humble beginnings as a small plumbing company, R.W. Warner, Inc. has grown into one of the region’s premier mechanical contracting firms. Now in its third generation of family leadership, the company continues to uphold its founding values of quality, integrity, and value. Under the direction of Matt Warner, R.W. Warner remains focused on innovation and growth, delivering comprehensive mechanical solutions across a wide range of industries. As we expand and evolve, our commitment to craftsmanship and client trust remains unchanged.
FAQs
Find answers to common questions about our services and how we can assist you.
R.W. Warner, Inc. is a family-owned commercial construction and mechanical contracting firm based in Frederick, Maryland, providing plumbing, HVAC, electrical, sheet metal, and general contracting services across multiple industries.
We serve a wide range of industries, including commercial, industrial, institutional, and government sectors. Our team is equipped to handle everything from home services to large-scale mechanical and construction projects.
R.W. Warner, Inc. is located in Frederick, Maryland, where it has maintained a strong presence since its founding. This central location allows the company to efficiently serve clients across Western Maryland, Northern Virginia, and parts of West Virginia, supporting a wide range of commercial and industrial projects.
Our company comprises several specialized divisions:
- Williams Electric – Electrical contracting services
- Warner Mechanical – HVAC and plumbing solutions
- Warner Construction – General contracting and construction management
- Kaempf & Harris Sheet Metal – Sheet metal fabrication and installation services
Our main office is situated at : 217 Monroe Avenue
Frederick, Maryland 21701 where we coordinate our operations and support projects across the region.
