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
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 $850+ million, full-service construction company with over 750 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
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 $850+ million, full-service construction company with over 750 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.
One hundred years ago, the first GM tractor rolled off the assembly line in the Janesville plant. Over time, production at the factory changed with the times from Chevrolets to 105mm artillery shells during World War II. By 1972, business was booming, and the GM plant reached its employment peak with 7,100 employed. GM wasn’t […]
UPDATE: On September 23, 2019 USP announced that the official dates of the revised <795> and <797>, and the new general chapter <825> will be postponed until further notice. In the interim, the currently official chapters of <795> and <797> including the section Radiopharmaceuticals as CSPs will remain official. USP General Chapter <800> is not
20 Best Practices to Apply When Upgrading Your Pharmacy to USP 797 and 800 Standards Read More »
JP Cullen has supported United Way for years. As builders of our local communities, we make it a priority to give back because we know how important strong communities are. United Way’s Annual Intern Day of Action This past summer, our interns participated in United Way of Greater Milwaukee & Waukesha County’s Annual Intern Day
This week we are catching up with JP Cullen All-Star Stephanie Schuette! Stephanie is a 10-year JP Cullen veteran currently working in the estimating department. Stephanie supports the estimating efforts here at JP Cullen by focusing on pursuing projects within the procurement holes of masonry’s busy manpower schedule. Women in Engineering, Mathematics, and Science (WEMS)
This month we are catching up with Cameron Weinbrenner! Cameron has worked with JP Cullen for five years now and is currently the Building Information Modeling Manager. “As the BIM Manager, I work with a small team of engineers to leverage information from 3D models and different technology like 3D laser scanning to help build
In 1919, JP Cullen was awarded the project to build the original plant for General Motor’s predecessor, Samson Tractor Factory. Not long after, the plant was turned into a General Motors plant that was producing around 150 tractors per day. In 1923, Chevrolet cars were being produced and expansions began taking place. As the plant
Saul, an apprentice carpenter with JP Cullen, was selected to be featured on the Immigrant Journeys from South of the Border/! Mi travesia hasta Wisconsin! Exhibition. This project is presented by the Wisconsin Humanities Council in partnership with Centro Hispano. Centro Hispano’s programs and services are built to empower youth, strengthen families, and engage with
As the Training Development Manager at JP Cullen, I am responsible for creating learning plans and providing training opportunities about the company’s processes and systems to all of our employees. JP Cullen has always been employee-focused evident by: spending over $150,000 annually to send our staff to external training opportunities, identifying our internal experts to
Women Wear Hardhats Too: An Inside Look at Women’s Leadership at JP Cullen Read More »
JP Cullen has been around for more than 127 years. With that many years of experience often comes historical connections and a unique opportunity to see where it all began. In 1860, George P. Cullen became a respected carpenter and homebuilder in the Janesville area. His love for construction led his son, John Patrick (J.P.) Cullen, to start
JP Cullen’s Ancestral Roots Continue to Grow Firm with Horicon State Bank Read More »
It takes a special person to dedicate a majority of their life committed to our country. Of all of the branches, 52% of today’s military is made up of individuals in the National Guard and Reserves according to the Employer Support of the Guard and Reserve. Often times, overlooked is the flexibility and understanding provided
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