Business Details
50+ Years
experience
Your Trusted Construction Partner in Fond du Lac
Capelle Bros. & Diedrich, Inc. has been a trusted name in construction since 1948, built on core values of safety, quality, commitment, innovation, and integrity. Our team of approximately 40 dedicated professionals brings decades of combined experience to every project, ensuring client satisfaction through meticulous attention to detail and a passion for excellence. Specializing in commercial, industrial, educational, and institutional construction, we serve diverse industries with expertise in carpentry, concrete, masonry, and metal building systems. Our design-build process streamlines project delivery, offering single-source accountability that optimizes efficiency, reduces costs, and maintains superior quality. With leadership including CEO Donald L. Diedrich (49 years with the company) and President Todd A. Diedrich (28 years), we combine generational expertise with modern construction methodologies.Our craftsmen and project managers deliver tailored solutions for renovations or new builds, prioritizing client collaboration and sustainable practices. Recognized for LEED-certified projects like Cedar Ridge Wind Farm, we maintain partnerships with industry leaders such as Nucor Building Systems. Backed by a 70+ year reputation, our commitment to safety and innovation ensures every structure we build meets the highest standards of durability and functionality. Client testimonials highlight our professionalism, preparedness, and transformative impact on project sites. From concept to completion, we remain dedicated to exceeding expectations through transparent communication and unwavering dedication to our founding principles.
Services
Carpentry
Concrete
Masonry
Metal Buildings
Design/Build
Renovations
New Construction
Industrial Projects
LEED Certification
Project Management
Details
- Year established: 1948
Highlights and features
- We offer 70+ years of construction experience with third-generation leadership
- Our LEED-certified projects demonstrate environmental responsibility and technical expertise
- We maintain a 100% safety commitment with dedicated safety management personnel
- Our design-build process reduces project timelines by 20-30% through integrated planning
- We employ craftsmen with average 25+ years of hands-on construction experience
Associations and certifications
- LEED
What people say
Trustworthy professionals
Well prepared
Leaving locations better
Transformative impact
Exceeding expectations
Services
Carpentry Services
Our carpentry team handles all aspects from rough framing to finish work, including cabinetry, doors, and drywall installation. With master craftsmen averaging 25+ years' experience, we ensure precision in both structural and aesthetic elements. Our capabilities span commercial renovations and large-scale industrial projects requiring complex wood systems.
Concrete Services
We provide full-spectrum concrete solutions including foundations, walls, floors, and exterior pavements. Our expertise extends to specialized applications like machine foundations and precast installations. Using advanced sawing and removal techniques, we ensure structural integrity while meeting tight project deadlines across Wisconsin.
Masonry Services
Our masonry division specializes in stone, brick, and block construction for both structural and decorative applications. From retaining walls to tuck-pointing restoration, our skilled masons combine traditional techniques with modern materials to create durable, aesthetically pleasing results for commercial and institutional clients.
Metal Building Services
As authorized Nucor Building Systems contractors, we deliver cost-effective metal buildings with customization options including glass storefronts and masonry integration. Our energy-efficient, low-maintenance structures offer 30% faster construction timelines while meeting strict commercial building codes and environmental standards.
Design/Build Process
Our design-build methodology streamlines construction through single-source accountability, reducing project timelines by 25% on average. By coordinating architects, engineers, and contractors from concept to completion, we ensure budget accuracy, design efficiency, and quality control throughout every phase of construction.
People
Donald L. Diedrich
Chief Executive Officer
Civil Engineering graduate from UW Madison with 49 years of construction leadership experience, overseeing strategic direction and major project oversight for the company.
Todd A. Diedrich
President
Architectural/Structural Engineering graduate from MSOE with 28 years of experience managing complex projects and driving technical innovation across commercial and industrial sectors.
Scott D. Diedrich
Vice President
28-year company veteran responsible for safety compliance and shop operations, implementing rigorous quality control measures across all construction phases.
Adam Osier
Project Manager / Estimator
24-year veteran with expertise in project cost estimation and scheduling, ensuring accurate budget projections while maintaining technical construction standards.
Angie Guyette
Clerical Staff
26-year administrative professional managing project documentation and client communications, ensuring seamless coordination between field operations and office management.
Questions
What construction services do you specialize in?
We specialize in commercial, industrial, and institutional construction with expertise in carpentry, concrete, masonry, metal buildings, and design-build projects.
How long has your company been in business?
Capelle Bros. & Diedrich, Inc. has served clients since 1948, with third-generation leadership maintaining our legacy of excellence.
Are you LEED-certified for green construction?
Yes, we've completed LEED Gold-certified projects like Cedar Ridge Wind Farm, demonstrating our commitment to sustainable building practices.
What makes your design-build process unique?
Our integrated approach combines architectural/engineering expertise with construction management under one contract, reducing timelines by 20-30% while maintaining quality control.
Do you handle both renovations and new construction?
Yes, we provide comprehensive services for both renovations and new builds across commercial, industrial, and institutional sectors.
What safety measures do you implement on job sites?
We maintain rigorous safety protocols with dedicated safety managers, OSHA-compliant training, and daily site inspections to protect workers and the public.
