JP Cullen
JP Cullen is a fifth-generation, family-owned general contractor headquartered in Janesville, Wisconsin, delivering full-service commercial, education, healthcare, industrial, and science & technology construction across the Midwest. The firm self-performs core trades, runs VDC/BIM and prefabrication capabilities, and reports $950M+ in annual revenue with 850+ employees.
- Company typePrivate
- Founded1919
- HeadquartersJanesville, United States
- Headcount501–1,000
- GTM typeB2B
- OfferingServices
What JP Cullen does
JP Cullen is a fifth-generation, family-owned commercial general contractor headquartered in Janesville, Wisconsin, founded in 1919 and operating across the Midwest with offices in Madison and Milwaukee. The firm delivers full-service construction across five primary verticals — Commercial, Education, Healthcare, Industrial, and Science & Technology — and self-performs significant portions of concrete, masonry, structural steel, and carpentry work to retain quality and schedule control. Project delivery is supported by Virtual Design & Construction (VDC) and Building Information Modeling (BIM) capabilities, an in-house prefabrication operation, and design-build, preconstruction, referendum, sustainability, historic restoration, and safety services.
The company's revenue is generated through project-based construction contracts ranging from under $1 million for smaller renovations to over $200 million for complex mega-projects (e.g., Epic Systems' Deep Space Auditorium, UW Health Eastpark Medical Center). It goes to market via direct enterprise business development and competitive bidding with institutional, Fortune 500, educational, healthcare, and government clients, with subcontractors onboarded through the proprietary CullenBids portal. Marquee clients include General Motors (50+ year relationship, 3+ million square feet of work), Epic Systems, UW-Madison, UW Health, the Milwaukee Bucks (Fiserv Forum), and School District of Janesville.
JP Cullen maintains operations under the legal name J.P. Cullen & Sons, Inc., employs 850+ people, and reports $950+ million in annual revenue. The firm is registered to do work in 22 states, holds multiple AGC awards including a 2017 AGC Build America Grand Award, and achieved a record-low Experience Modification Ratio (EMR) of 0.38 in 2025, signaling safety excellence as a competitive dimension.
JP Cullen firmographics
Firmographics- Name
- JP Cullen
- Legal name
- J.P. Cullen & Sons, Inc.
- Website
- https://jpcullen.com
- Company type
- Private
- Founded year
- 1919
- Operating status
- Operating
- Headcount range
- 501–1,000 employees
- Short description
- JP Cullen is a fifth-generation, family-owned general contractor headquartered in Janesville, Wisconsin, delivering full-service commercial, education, healthcare, industrial, and science & technology construction across the Midwest. The firm self-performs core trades, runs VDC/BIM and prefabrication capabilities, and reports $950M+ in annual revenue with 850+ employees.
- Ownership category
- akta.pro rank
JP Cullen industry classification
Industry- Product category
- Commercial Construction Services
- NAICS
- Commercial and Institutional Building Construction (236220), Nonresidential Building Construction (2362), Structural Steel and Precast Concrete Contractors (23812), Industrial Building Construction (23621)
- SIC
- General Bldg Contractors - Nonresidential Bldgs (1540)
- akta.pro primary industry
- Commercial General Contracting (New Build) (IMAFAAAA)
- akta.pro secondary industry
- Self-Performing General Contractors (IMAFAAAI)
Keywords
Where JP Cullen is headquartered
LocationHeadquarters
- HQ city
- Janesville
- HQ country
- United States
- HQ region
- North America
Offices3 records
Markets served
JP Cullen business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales
Revenue model
- General Construction Services: JP Cullen generates revenue as a full-service general contractor delivering construction projects across commercial, industrial, healthcare, education, and science/technology sectors. Revenue is project-based, generated through construction contracts ranging from small renovations to major infrastructure projects exceeding $200 million.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Project-based construction contracts |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels5 records
JP Cullen product offering
Product offeringCore offering
JP Cullen is a full-service commercial general contractor delivering preconstruction, construction, and design-build services across commercial, education, healthcare, industrial, and science & technology market sectors. The company self-performs concrete, masonry, structural steel, and carpentry work while leveraging Virtual Design & Construction (VDC) and prefabrication techniques to manage projects from inception to completion. Project sizes range from small renovations under $1 million to major facilities exceeding $200 million (e.g., Epic Deep Space Auditorium, UW Health Eastpark Medical Center).
Product overview
JP Cullen is a $950+ million, full-service commercial construction company with over 850 employees, operating as a single unified service offering rather than a platform-plus-modules architecture. The company's integrated construction services encompass Commercial, Education, Healthcare, Industrial, and Science & Technology market sectors, supported by specialized capabilities including Prefabrication, Virtual Design & Construction (VDC), Self-Performed Work, Preconstruction, Referendum Services, Sustainability, Historic Restoration, Design-Build, and Safety Services. These services work together to deliver projects from inception through completion, with the company self-performing significant portions of construction work while leveraging VDC technologies and prefabrication for efficiency.
Differentiator
Problem solved
Functional benefit
Products and services
- Commercial Construction Services Full-service commercial construction covering auditoriums, athletic facilities, sports arenas, and corporate offices. Navigates regulations, laws, codes, and compliance for institutional and enterprise clients.
- Education Construction Services Construction of school buildings, universities, dormitories, athletic facilities, and technical colleges. Creates modern learning environments for students, educators, and communities at optimized cost.
- Healthcare Construction Services Construction of innovative healthcare facilities including hospitals, medical office buildings, specialized treatment centers, and outpatient facilities that support patient-centered care.
- Industrial Construction Services Construction services for Fortune 500 companies across industrial markets including manufacturing plants, distribution centers, food processing, breweries, and industrial facilities.
- Science & Technology Construction Construction of research laboratories, biotech facilities, technology campuses, clean rooms, and BSL-2 rated spaces across commercial, industrial, healthcare, and education markets.
- Preconstruction Services Foundation services including budgeting, scheduling, constructability review, and planning from project inception to completion to ensure safe and successful outcomes.
- Design-Build Services Integrated design and construction delivery that reduces change order potential, lowers costs, and minimizes risk for building owners through fast-track options.
- Prefabrication Services Off-site prefabrication that saves time, reduces costs, creates safer work environments, improves quality, and enhances revenue streams for project owners.
- Historic Restoration Services Historical restoration projects supported by decades of knowledge for accurate estimation and efficient execution of restoration work.
- Referendum Services Helps clients educate voters on referendum issues, develop preconstruction plans, and maximize taxpayer value for publicly funded construction projects.
- Sustainability Services Green building solutions that minimize environmental impact and budget constraints for clients pursuing sustainable construction outcomes.
- Virtual Design & Construction (VDC) VDC/BIM technologies that allow clients to assess where problems could occur before construction has even begun, enabling better planning and risk mitigation.
Quantifiable outcome
- Achieved Experience Modification Ratio (EMR) of 0.38, down from 0.54 in 2024 - lowest ever recorded
- +2 more outcomes
Companies that use JP Cullen
Customer profileNamed customers10 records
Segments5 records
Ideal customer profiles5 records
JP Cullen technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
JP Cullen partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered core.
- Kahler SlatercoreArchitectural firm partnership on Fiserv Forum's Gallagher Club project. Kahler Slater provided design services for the $4 million premium VIP hospitality renovation.
- Mortenson ConstructioncoreConstruction management partnership on Fiserv Forum arena project. Mortenson served as CM while JP Cullen performed steel erection for the 8,000-ton arena structure.
- Merrill SteelcoreSteel fabrication partnership on Fiserv Forum project. Merrill Steel fabricated the structural steel that JP Cullen erected.
- PopulouscoreGlobal architecture firm specializing in sports facilities. Designed Fiserv Forum arena in partnership with JP Cullen as steel erector.
- CD SmithcoreConstruction partner with JP Cullen on Baird Center Expansion structural steel work. Partnership erected 169 large trusses and placed 114,000 lbs. skybridge.
- Associated General Contractors of Wisconsincore100+ year partnership with AGC showing shared commitment to excellence, innovation, and industry leadership. Five Cullen family members served as AGC of Wisconsin Presidents.
Scale indicators8 records
Recent moves6 records
Expansion highlights4 records
JP Cullen competitors and assessment
Company assessmentBroad incumbents
- Gilbane Building Company: Large, privately held national GC with strong healthcare, education, and life-sciences practices — broader portfolio than JP Cullen but competes head-to-head on the same institutional and science-tech project types.
- Turner Construction Company: Largest US commercial GC with national presence across healthcare, education, sports, and commercial sectors — broader geographic and segment reach but overlapping target projects.
- Clark Construction Group: Top-5 US commercial GC with significant presence in healthcare, education, and sports/entertainment — competes with JP Cullen for large institutional work in the Midwest.
Direct peers
- Boldt Company: Wisconsin-based, family-owned commercial and industrial GC with self-perform capabilities in steel, concrete, and carpentry — closely comparable vertically and culturally to JP Cullen.
- Mortenson Construction: Minneapolis-headquartered, privately held commercial GC active across healthcare, sports, education, and energy — a direct Midwest peer to JP Cullen that has partnered with JP Cullen on Fiserv Forum.
- The Weitz Company: Midwest-headquartered (Des Moines) commercial GC with strong healthcare, senior living, hospitality, and industrial practices — a comparable private, family-influenced peer at similar scale.
- Kraus-Anderson Construction: Minneapolis-based, family-owned commercial GC operating across healthcare, education, government, and industrial sectors — comparable Midwest scale and vertical mix to JP Cullen.
- CD Smith Construction: Fond du Lac, WI-based general contractor serving commercial, healthcare, education, and industrial clients across the Midwest — a direct peer that has partnered with JP Cullen on the Baird Center expansion.
- Hunt Construction Group: National commercial GC specializing in sports venues, hospitality, healthcare, and education — directly comparable to JP Cullen's sports (Fiserv Forum) and healthcare project portfolio.
- Opus Design-Build: Midwest-headquartered design-build GC focused on industrial, healthcare, education, and commercial projects — comparable vertical mix and project scale to JP Cullen.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks5 records
Key highlights7 records
Customer concentration
JP Cullen social profiles
Digital presenceJP Cullen financial estimates
Financial estimateRevenue estimate
Valuation estimate
JP Cullen leadership team
Management profileNumber of profiles
Profiles6 records
JP Cullen funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
JP Cullen M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about JP Cullen
What does JP Cullen do?
JP Cullen is a full-service commercial general contractor delivering preconstruction, construction, and design-build services across commercial, education, healthcare, industrial, and science & technology market sectors. The company self-performs concrete, masonry, structural steel, and carpentry work while leveraging Virtual Design & Construction (VDC) and prefabrication techniques to manage projects from inception to completion. Project sizes range from small renovations under $1 million to major facilities exceeding $200 million (e.g., Epic Deep Space Auditorium, UW Health Eastpark Medical Center).
Is JP Cullen a public or private company?
JP Cullen is a private company. It is classified as family owned and is currently operating.
When was JP Cullen founded?
JP Cullen was founded in 1919. It employs 501 to 1,000 people.
Where is JP Cullen based?
JP Cullen is headquartered in Janesville, United States, in the North America region.
How does JP Cullen make money?
One revenue line is on record: general Construction Services.
Who are JP Cullen's main competitors?
Broad incumbents on record are Gilbane Building Company, Turner Construction Company and Clark Construction Group. Direct peers are Boldt Company, Mortenson Construction, The Weitz Company, Kraus-Anderson Construction, CD Smith Construction, Hunt Construction Group and Opus Design-Build.
Does JP Cullen have an API?
No public API is recorded for JP Cullen.
What industry is JP Cullen in?
JP Cullen's product category is Commercial Construction Services. Its primary akta.pro industry code is IMAFAAAA, Commercial General Contracting (New Build), with a secondary code of IMAFAAAI, Self-Performing General Contractors. Its NAICS code is 236220 and its SIC code is 1540.