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  We Focus on You

Client Satisfaction is our #1 Priority

We truly value our client relationships, and we are committed to providing our clients with the highest quality of customer service on each and every project and service we undertake.  This commitment to excellence is reflected in the amount of repeat business we have received since our inception.​​​​​​​
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% focus on customer satisfaction


% repeat business


focus - our customers!

  Keeping up with Keller


State-of-the Art New Crown High School Project for MCPS

It is one of Keller’s greatest pleasures and proudest moments to announce that we are working in conjunction with Montgomery County Public Schools and Stantec Architecture, Inc. on the new Crown High School Project! This new high school will be a state-of-the-art facility that will benefit generations of young Marylanders to come.
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Keller Expands its Footprint to the Eastern Shore

Headquartered in Mount Airy, Maryland, Keller has delivered top-notch construction management, design-build, and general contracting services to clients on the western shore of Maryland where the firm has become known for quality, reliability, and a customer-centric focus. A strategic goal of the company and, a key focus of Owner Phillip Keller, has been the long-standing vision of expanding the company to the Eastern Shore of Maryland.

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  The Highest Standards | The Highest Quality |
The Happiest Clients


We pride ourselves at building long-lasting relationships with our clients and partners.
Take a look at some of our client and partner success stories.

Paul May, Project Manager


"Keller was cognizant of the rigorous schedule demands imposed by the various milestone events on our project and kept their construction process abreast of an aggressive schedule. The work placed embodied that of first class workmanship. Of particular note, the ACPS process was heavily focused on community, staff, and faculty input. Keller was able to accommodate and strike a balance between both the site constraints and the desired design elements imposed upon the facility. The new facility met the great expectations of the stakeholders and, as such, it is appropriate that Keller earns our highest recommendation.”



Adnan Mamoon, Director of Capital Programs

Frederick County Public Schools

"Keller recently completed the Oakdale Middle School Addition project for Frederick County Public Schools under a Design-Build delivery. As this was the first Design-Build school project of its kind in the State of Maryland, open communication, financial transparency, and attention to detail was of the utmost importance. Additionally, this project required a high degree of collaboration with which the Keller team excelled. They worked closely with our team to garner input and create a high-quality design that met both our program and budget needs.” 



Irina LaGrange, Principal

Tilden MIDDLE school

I cannot begin to praise the Keller team enough for their professionalism, communication and customer service. They went above and beyond, throughout the entire process, to make sure that all of our needs were being met. Despite a global pandemic, they remained committed to their work, thus ensuring that we were able to move into the school prior to the start of the new school year. It is evident that customer service is a priority.