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 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

McMahon Newsletter | August 2024

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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