About Us

A Company Built for Service and Performance

We specialize in the construction of Office Buildings, Mixed Use, Industrial, Educational, Government, Healthcare, Multi-family Residential, Hospitality, Parking Structures, Interiors, and Renovations. Our team is a group of highly skilled construction professionals that possess extensive experience in managing all phases of the construction process. We approach every project as we are part of the team and we work to provide solutions. Our approach to each project ensures we are always working in the best interest of our clients, whether it be early identification of a potential cost impact or the possibility for a schedule delay, our approach will ensure our client’s interests are always protected.


The cornerstone of every successful project lies within our employees, subcontractors and those in and around our work environments. With this in mind, we have developed an industry-leading safety program that places the health and welfare of our people and partners above all else. While we are proud of our safety awards, we’re even more proud of our safe work environments. We believe that workplace safety equates to no lost time due to safety failures, which means no schedule delays, no OSHA delays, greater productivity, and ultimately a more successful project.

We are proud to be a leader in safety within the industry. Our commitment to our safety program is the most important aspect of our operations.

Safety Program & Training

The foundation of all great safety programs is the commitment to training. R.W. Warner, our safety program includes extensive employee training as well as incident prevention measures and enforcement. 

Among the finest compliments one can receive are those from your peers, we are honored to have been recognized for our safety efforts. We remain committed to building on our success and the continuous improvement of our safety program, while we strive for zero incidents on every project. The results from our commitment to safety speak for themselves, over the years our firm has consistently earned the Association of Builders and Contractors STEP Awards for Safety.

Community Involvement

R. W. Warner has a long and dedicated philanthropic connection to the communities in which we work, the professional organizations that we are privileged to be associated with, and the charitable interests of our employees.

Frederick Memorial Hospital

Community Foundation of Frederick County

Rotary International

Frederick County Chamber of Commerce

Below is a list of many more that we are proud to have supported!

  • Hood College
  • Mt. Saint Mary’s University
  • St. Johns Catholic Prep
  • Frederick County YMCA
  • Hospice of Frederick County
  • Delaplaine Visual Arts Center
  • St. Maria Goretti High School
  • Christmas Cash for Kids
  • Mother Seton School
  • Museum of Civil War Medicine
  • Oakdale High School Athletics
  • Spires Lacrosse Club
  • St. Judes Children’s Hospital
  • Mental Health Association
  • Frederick Alliance for Youth
  • Wounded Warriors
  • Boys and Girls Club of Frederick
  • Way Station
  • Special Olympics
  • Boy Scouts of America
  • Trinity School
  • Banner School
  • Friends of Catholic Education
  • TJ High School Athletics