Service Inspired.

What We Do

We provide full-service engineering and architecture to public and private-sector clients.

Environment & Infrastructure

Environment & Infrastructure

We understand the intricate details that go into developing and maintaining the framework that supports a community.
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Water & Wastewater

Water & Wastewater

We incorporate the newest technologies to address today’s strict demands for a safe water supply, and environmentally sound wastewater treatment and biosolids management.
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Architecture

Architecture

Our architecture building design solutions are flexible, creative and thoroughly thought through to ensure finished spaces works for our clients long into the future.
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Public safety & Municipal Management

Public safety & Municipal Management

We are committed to the needs and issues of public safety and government. By working with this team, communities can improve the services they deliver to residents.
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INDUSTRIAL

INDUSTRIAL

Our industrial engineering group offers efficient solutions to help improve your processes, reduce costs, and improve your facility’s sustainability initiatives.
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structures & Building systems

Structures & Building Systems

We are experts when it comes to complex architectural systems, heavy design loads and building code systems compliance.
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Our Work

We are driven by a service-inspired philosophy to achieve client satisfaction on every project.

News & Blog

McMahon Implements Reverse Osmosis Water Treatment System in Winneconne, Wisconsin

McMahon celebrates 115 years of service, shaping community growth across the Midwest

McMahon Announces its Role in Appleton International Airport Business Park Expansion

Hilbert School District Upgrades: Technical, Arts & Sports Facilities Enhanced

McMahon designs Paint Hangar for Gulfstream

Grand Opening at Peter’s Pond with McMahon and Challenge the Outdoors

Work With Us

Our company offers a broad spectrum of professional services to meet the unique needs of our clients. Contact us today to see how we can help you.

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