Commercial
From auditoriums to athletic facilities and corporate offices, we’ll navigate you through regulations, laws, codes, and compliance.
Education
We create modern learning environments that benefit students, educators and the greater community – at the lowest possible cost.
Healthcare
We envision and build innovative healthcare facilities that help providers focus on patient-centered care.
Industrial
Working for Fortune 500 companies across a range of industrial markets, our team makes sure each project meets its full potential.
Science & Tech
We work with owners across the commercial, industrial, healthcare and education markets on complex projects.
Prefabrication
At the core of our operations is a focus on flexibility, innovation, and finding ways to add value for our clients.
Virtual Design & Construction
Our VDC technologies allow you to assess where problems could occur before construction has even begun.
Self-Performed Work
We pride ourselves on training our team to become construction experts so we can self-perform as much of the work on a project as possible.
Preconstruction
Our preconstruction services lay the foundation for safe and successful outcomes, from a project’s inception to its completion.
Referendum Services
We help you educate voters on referendum issues, develop a preconstruction plan, and maximize value for every taxpayer dollar invested.
Sustainability
We specialize in assisting our clients in developing green solutions that minimize the impact on your budget.
Historic Restoration
We bring decades of knowledge to your restoration project which allows us to execute the work efficiently.
Contractor Services
Our contractor services have been carefully formulated over the years to best serve our clients and their needs.
Design-Build & EPC
Fast-track options, reduce change order potential, lower costs and minimize risk for building owners.
Safety
We emphasize the importance of safety and have a designated team that ensures all protocols are adhered to.
About Us
In five generations, we’ve grown into a $500+ million, full-service construction company with over 650 employees.
Blog
Check out some tips of the trades from the tough job experts.
Diversity, Equity & Inclusion
Our team is highly involved in organizations and committees to bring more diversity to the A/E/C industry.
Leadership
Meet our leadership team who ensures that our crews and teams have access to the tools, resources and opportunities to deliver the results our clients expect.
Building Our Communities
Our dedication to personal development, family and community is in our blood and at the core of our business.
Diverse Partnerships
Bid Opportunities
Browse our future projects and uncover opportunities to work with the industry’s finest.
Subcontractor Registration
Register your company with JP Cullen using our online portal.
Confidentiality Agreement
We are committed to protecting sensitive data and information to ensure a smooth working relationship between all parties.
Our Locations
330 E. Delavan DriveJanesville, WI 53546
1 S. Pinckney Street, Suite 810Madison, WI 53703
104 E. Pleasant StreetMilwaukee, WI 53212
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