

Expert Designs Lead to Quality Construction
At the John F. Gallagher Company, our design-build process provides a single point of accountability and fosters true collaboration between our team and our clients. With clear lines of communication and an integrated project approach, we deliver projects faster, reduce costs, and ensure the highest level of quality from concept through completion.
Areas of Specialty
HVAC Systems
Design and installation of efficient heating, cooling, and air distribution systems for comfort, reliability, and energy savings.
Plumbing
Comprehensive water supply, drainage, and specialty piping solutions that are durable, code-compliant, and built to last.
Sheet Metal
High-quality ductwork and custom fabrications produced in our shop for precise fit and efficient installation.
Temperature Controls Design
Smart control systems that optimize building performance, improve efficiency, and provide long-term cost savings.
Major Market Segments
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Commercial
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Data Centers
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Food & Beverage
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Government
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Healthcare
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Industrial
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Institutional
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Laboratories
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Pharmaceutical
Customized Design-Build Approaches
Design-Assist – Owner leads design development with Gallagher providing engineering support
Integrated Project Delivery (IPD) – Collaborative model that integrates owner, design, and construction teams from the start
Design-Build by Gallagher – Full program/scope development, design, and construction led by our team
Hybrid Approaches – Flexible solutions to match the owner’s needs and project goals
