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
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
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
Industrial Services
We provide the skilled labor and field expertise needed to support industrial projects from start to finish.
About Us
In five generations, we’ve grown into a $950+ million, full-service construction company with over 850 employees.
Blog
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
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.
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
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
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
Industrial Services
We provide the skilled labor and field expertise needed to support industrial projects from start to finish.
About Us
In five generations, we’ve grown into a $950+ million, full-service construction company with over 850 employees.
Blog
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
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.
For the past decade, our career fair has connected students with the people, skills, and opportunities that make the construction industry such a rewarding career path. What began in 2015 as a way to introduce local students to the trades has grown into one of the largest hands-on construction career fairs in southern Wisconsin. This
Celebrating 10 Years of Building Future Builders Read More »
Meet Nick Herr, a dedicated and experienced member of the JP Cullen team. Nick began his journey with JP Cullen in May 2008 as a site engineer working at Epic. Over the years, he has advanced to the role of project manager in the Healthcare sectors. Beyond his project management responsibilities, Nick also serves as
Preconstruction is often misunderstood as simply creating an estimate for the customer, but this field stretches far beyond that. It is a very strategic process that can help determine how a project is going to succeed. Earlier in the year, one of our Directors of Preconstruction, Sam Potts, was interviewed on the Construction Genius
More Than an Estimate: An Interview with Sam Potts, Director of Preconstruction Read More »
Meet Adam Mastalir, one of our skilled Estimators who joined JP Cullen in May 2018 and has since become an integral part of our team. Currently serving as the lead estimator on the UW Health C2 Bed Tower Expansion project, they bring a wealth of experience and expertise to the Healthcare, Science, and Technology Division.
One thing that sets our industrial team apart is their ability to travel nationwide and support clients at sites across the country. To give you a closer look at what that experience is like, we sat down with Project Manager, Mitch Danner. Mitch recently wrapped up a project with Ball Corporation and has a unique
At this years Breakfast with Leaders event hosted by the Employer Support of Guard and Reserve (ESGR), leaders gathered to reflect on what it means to support those who serve. Tyler Sears, a Coast Guard veteran and current JP Cullen Preconstruction Engineer, was invited to speak on his experience when transitioning from a full-time active-duty
Meet Jacob Corona Cordero, who is currently a third-year carpenter apprentice at JP Cullen. In this role, Jacob attended school through the Union and is actively in the learning phase of his career. Currently, he is working on the Kikkoman jobsite, where he is assigned to light-duty tasks. What Sparked Your Interest in Construction?
Jacob’s Journey: How Operation Fresh Start Sparked a Career in Construction Read More »
Our annual Construction Career Fair continues to be a shining example of JP Cullen’s unwavering commitment to the construction industry and to fostering the next generation of skilled trades professionals. Each year, our dedicated Apprenticeship Committee works tirelessly to connect with local schools, offer site tours, and provide invaluable classroom mentorship opportunities—ensuring students get an
Building the Future: JP Cullen Hosts 2025 Construction Career Fair Read More »
Most construction internship programs offer a brief glimpse into the industry and some technical growth opportunities. Our intern program is different: it is where you build lasting connections, receive real responsibility, and experience hands-on growth every day. Here is how our internship experience stands apart—and what our interns genuinely say about it. Build Meaningful
Breaking Ground on Intern Careers: Inside Our Hands-On, High-Impact Intern Program Read More »
Meet Sydney Edwards, a proud Janesville native who’s making big strides in the world of construction. Currently entering her senior year at Arizona State University, Sydney is pursuing a degree in Construction Management and Technology while simultaneously beginning her master’s in the same field. Though she thrives in the Arizona sunshine and all the new
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