Business Details
9 Years
experience
Your Trusted Partner for Commercial Construction Solutions
Keller Contracting was founded in 2017 when Chris Keller acquired Richard D. Markey Inc., a company with a 46-year legacy in commercial construction. Our team combines over 28 years of industry experience with a commitment to honesty and integrity, delivering high-quality projects while minimizing business disruption. We specialize in preconstruction, design-build, and general contracting services, serving diverse sectors including healthcare, food service, and retail.Our client-centric approach prioritizes clear communication, innovative solutions, and safety, earning us recognition as a Top 50 Fastest Growing Company by Central Penn Business Journal for three consecutive years. With a focus on long-term relationships and repeat clients, we employ skilled professionals dedicated to exceeding expectations through efficient processes and transparent practices.
Services
Preconstruction
Design-Build
General Contracting
Property Maintenance
Commercial Renovations
Details
- Year established: 2017
Highlights and features
- We offer 28+ years of commercial construction expertise with a focus on client priorities.
- Our processes enable businesses to remain operational during renovations.
- We maintain transparent communication and no-hidden-fee policies.
- Our team includes LEED-certified professionals and specialized craftsmen.
- We prioritize safety with rigorous on-site practices and training programs.
What people say
Completed right on time
Quality of your work
Pleasure to work with
Set the bar
No more GCs like you
Services
Preconstruction Services
Our preconstruction services help clients evaluate options, develop budgets, and define plans. We analyze zoning requirements, conduct code research, and provide preliminary designs to ensure projects meet budget and schedule goals. With expertise in cost estimation and value engineering, we deliver actionable insights that save time and money throughout the construction process.
Design-Build
Keller Contracting's design-build services combine architectural design, engineering, and construction under one contract. This approach streamlines communication, reduces project timelines, and ensures budget adherence. Our team manages all phases from concept to completion, delivering cohesive solutions for healthcare facilities, retail centers, and commercial offices while maintaining strict quality control.
General Contracting
As general contractors, we oversee all aspects of construction projects including subcontractor coordination, scheduling, and quality assurance. Our experienced team manages complex renovations and new builds across multiple sectors, employing proven processes to minimize disruptions for operational businesses during construction activities.
Property Maintenance
Our property maintenance services address both preventative care and urgent repairs for commercial properties. We handle interior renovations, structural repairs, and system upgrades while accommodating ongoing business operations. Our craftsmen specialize in minimizing downtime through efficient scheduling and execution of maintenance projects.
Commercial Renovations
We specialize in commercial renovations that maintain business continuity during construction. Our team implements phased construction approaches, temporary workspace solutions, and safety protocols to allow clients to remain operational. Services include interior fit-outs, structural modifications, and code compliance upgrades tailored to specific industry requirements.
People
Chris Keller
Owner
With 30 years of construction experience, Chris Keller founded Keller Contracting in 2017 after acquiring Richard D. Markey Inc. A Penn State graduate, he combines technical expertise with community leadership, focusing on client-centric construction solutions that earned the company three consecutive Top 50 Fastest Growing Company awards.
Tim Wirt
Director of Operations
Tim Wirt oversees field operations with 25 years of construction experience. A Pennsylvania College of Technology graduate, he manages project scheduling and service department operations while maintaining his passion for outdoor activities including hunting and snowmobiling in Pennsylvania.
John Kottmyer
Vice President of Preconstruction
LEED-certified John Kottmyer leads preconstruction services with 37 years of industry expertise. He manages estimating teams and develops cost-effective solutions while balancing his love for woodworking, golf, and family time in his personal life.
Shane Tawney
General Superintendent
With 30 years of construction experience, Shane Tawney directs field personnel and safety programs. A York County Vocational-Technical School graduate, he combines professional expertise with personal interests in home projects and outdoor activities while maintaining OSHA 30 certification.
Dustin Winkelspecht
Project Manager
Dustin Winkelspecht brings 20+ years of healthcare construction expertise to Keller Contracting. He focuses on clear communication and reliable scheduling while enjoying family time, gardening, and saltwater fishing with his two sons.
Questions
What types of construction projects does Keller Contracting handle?
We specialize in commercial construction including preconstruction, design-build, general contracting, and property maintenance services for healthcare facilities, restaurants, retail spaces, and office buildings.
Can construction work be done while my business remains open?
Yes, our phased construction approach and temporary workspace solutions allow 85% of clients to maintain operations during renovations while we implement strict safety protocols.
How does Keller Contracting manage project timelines?
We use detailed scheduling software and experienced project managers to track progress, coordinate subcontractors, and maintain transparent communication to ensure timely completion.
What safety measures are in place during construction?
Our OSHA-certified team follows comprehensive safety protocols including daily inspections, proper equipment usage, and site-specific safety plans to protect both our workers and client employees.
How are project costs controlled?
We employ value engineering techniques during preconstruction and maintain transparent budget tracking throughout projects to prevent cost overruns while delivering high-quality results.
What sets Keller Contracting apart from competitors?
Our combination of 28+ years industry experience, client-focused approach, and ability to maintain business operations during renovations creates unique value for commercial clients.
