FAQs

Find answers to common questions about our services and how we can assist you.

What is R.W. Warner, Inc.?

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.

What industries do you serve?

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.

Where is R.W. Warner, Inc. located?

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.

What divisions are part of R.W. Warner, Inc.?

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

Where is R.W. Warner, Inc. headquartered?

Our main office is situated at : 217 Monroe Avenue
Frederick, Maryland 21701 where we coordinate our operations and support projects across the region.

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