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Custom Modular Office Building | Scalable Workspaces

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Innovative Spaces, Built by Craftsmen Industries

For over 40 years, Craftsmen Industries, Inc. has been a trusted name in precision fabrication and mobile structure design, serving government, commercial, healthcare, and corporate sectors. Based in St. Charles, Missouri, the company specializes in custom modular office buildings designed to help organizations grow faster, smarter, and more sustainably.

As teams expand or projects evolve, traditional construction can be too rigid, with slow timelines, high costs, and limited scalability. In fact, studies have shown that modular buildings can be completed 25–30% faster than site-built structures, significantly reducing project timelines and enabling quicker occupancy.

Our modular offices solve these challenges with adaptable, relocatable, and fully finished buildings, customized for corporate campuses, field operations, or remote work sites.

Each project is handled entirely in-house, including design, engineering, fabrication, and finishing, under one roof. This integrated model ensures consistent quality, faster delivery, and total accountability from start to finish. We also meet stringent AS9100D and ISO 9001:2015 certifications, ensuring top-tier safety and quality across all builds.

Whether you need a single-unit workspace or an expandable complex, Craftsmen Industries delivers modular offices that match your vision and evolve with your growth.

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The Craftsmen Difference:

Design - Engineering - Fabrication
Paint - Graphics - 3D Additive Manufacturing

All Under One Roof!

Dedicated to the Highest Quality Standards

We prioritize superior quality management and are certified by ASR with the prestigious AS9100D and ISO 9001:2015 certifications. 

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Vision

Tell us about your idea! Describe it, sketch it, or show us your designs.

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Design

We design your solution down to the last bolt.

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Build

We custom fabricate your build in-house.

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Deliver

We deliver your asset on time as promised.

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"If you want to build the impossible, Craftsmen has the tools and talent. They are more like a Venture partner than a builder."

Founder & CEO
Magicbox
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"Craftsmen, hands down, had the best ideas, best drawings. They were as passionate about the project as I was. I don't know why anyone would go anywhere else."
PGA Tour Technician
TaylorMade
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"High caliber work, great crew of talented workers who come up with creative solutions and are easy to work with, overall great partners."
Creative Director
Dairy Farmers of America
clayco
"The team at Craftsmen is top notch and they always get the job done no matter the deadline. I consider them an extension of our team - a true partner!"
Executive Director
Clayco

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Scalable. Smart. Built for the Future.

Modern teams need modern spaces, dynamic environments that inspire collaboration and support productivity. Craftsmen Industries meets that need with modular offices engineered to evolve.

Each office module is fully customizable in design, layout, and finish. Clients can select from pre-configured designs or collaborate with our engineers to create an entirely bespoke space. From contemporary interiors with glass partitions and energy-efficient lighting to specialized rooms such as conference areas, break zones, and private suites, every element is designed to meet your workflow and aesthetic preferences.

Our Modular Office Solutions Include: 

  • Custom Office Modules: Choose from 10’, 20’, and 40’ modules or create multi-unit complexes tailored to your footprint.
  • Fully Integrated Interiors:  Electrical, lighting, HVAC, flooring, and insulation, installed and tested for immediate occupancy.
  • Flexible Footprints: Add new units or reconfigure layouts as your operations grow or shift.
  • Sustainable Designs: Built with energy-efficient materials and ready for renewable energy integration.

We don’t just build offices, we build scalable ecosystems that empower your teams to thrive anywhere. Each modular office reflects our precision engineering and commitment to craftsmanship. Whether you’re a startup scaling up or an established enterprise expanding your reach, these offices grow with your goals.

The Challenge: Traditional Offices Can’t Keep Up

Growing teams face challenges that fixed spaces can’t solve, including limited flexibility, high overhead, and slow construction timelines. The U.S. Chamber of Commerce reports that rising material and labor costs continue to delay traditional construction projects.

Craftsmen Industries bridges that gap with modular office buildings that combine structural integrity with rapid deployment. By manufacturing each unit off-site while site preparation happens in parallel, projects are completed in weeks, not months. The result: predictable costs, minimal disruption, and exceptional value.

Every office module is designed for mobility, longevity, and comfort. These buildings can be transported, expanded, or reconfigured without the expense of new construction, giving teams the flexibility to focus on growth instead of logistics.

Here are the key benefits of our modular offices:

Speed of Deployment

Our modular offices are built while your site is being prepared, cutting traditional construction timelines in half. This means your team can move into a fully operational workspace in weeks rather than months, keeping projects on track and reducing downtime.

Mobility and Reuse

Our modular units are designed to be fully relocatable. Whether you need to move, expand, or reconfigure your office, the modules can be reused without waste. This flexibility allows businesses to adapt quickly to changing operational needs without the expense of new construction.

Cost Efficiency

Combining off-site fabrication with rapid on-site installation helps modular offices control costs and prevent budget overruns. Predictable timelines, minimal site disruption, and reduced labor expenses make this a smart, long-term investment for growing teams.

Durability and Reliability

Our modular offices are built to last. Heavy-duty construction materials and precision engineering ensure your workspace can withstand industrial, environmental, or high-traffic demands. You get a reliable, low-maintenance solution that stands the test of time.

Customization and Scalability

Every office module is fully customizable in size, layout, and finish. From single-unit offices to multi-level complexes, our solutions scale with your team. Add units, stack vertically, or reconfigure layouts as your operations evolve without interrupting productivity.

Enhanced Comfort and Functionality

We ensure that each modular office is engineered for comfort and efficiency. Integrated HVAC, lighting, and ergonomic layouts create productive environments that support collaboration, focus, and employee well-being.

Our Features: Engineered for Performance and Precision

Behind every modular building from our facilities lies a foundation of engineering expertise and technological innovation. The company operates a 127,000-square-foot facility equipped with state-of-the-art fabrication technology and staffed by highly skilled professionals.

We handle every phase internally, from custom framing and welding to integrated electrical systems and branded exteriors. This vertical integration ensures total quality control and the seamless execution of every detail.

Custom Sizes & Layouts

Choose from 10’, 20’, and 40’ modules or design a fully bespoke configuration to match your workspace needs. Whether you are building a single office or a multi-unit complex, Craftsmen Industries delivers scalable solutions designed around your vision.

Turnkey Interiors

Move in and start working immediately. Our modular offices come fully equipped with lighting, climate control, flooring, and electrical systems. Everything is installed and tested for immediate occupancy.

Stackable & Expandable Units

Grow without limits. Our modular offices can be stacked or expanded horizontally as your team or operations scale. These units adapt to your changing needs and provide practical flexibility.

Brand-Ready Exteriors

Make a professional impression. From custom colors and coatings to corporate graphics, our exteriors can be branded to reflect your company identity. Every office looks polished and represents your brand.

Quality-Certified Construction

Each office module meets AS9100D and ISO 9001:2015 standards. Craftsmen Industries combines precision engineering with durable materials to deliver consistent, high-quality construction.

In-House Expertise

Every stage is handled in-house. Our team manages design, fabrication, graphics, and finishing, ensuring precise execution and total control over every detail.

According to McKinsey & Company, modular approaches can cut project schedules by up to 50%, offering faster ROI for organizations in dynamic industries. We deliver on that promise through precision-built, ready-to-deploy office solutions.

How It Works: From Vision to Reality in Seven Steps

Craftsmen Industries has refined its process into a clear, collaborative framework that ensures transparency and success from start to finish.

1. Consultation & Concept Development

Each project begins with a strategy session where goals, functions, and future scalability are discussed. The design team then crafts digital renderings and technical drawings that align with your brand and operational workflow.

2. Design & Engineering

Once the concept is approved, Craftsmen’s engineers finalize structural blueprints, ensuring compliance with all building codes, safety regulations, and site-specific requirements.

3. Fabrication & Integration

Each module is fabricated, assembled, and equipped with complete electrical, mechanical, and finish systems inside the manufacturing facility. Every step of industrial fabrication is monitored for precision and consistency.

4. Delivery & Installation

Our logistics experts coordinate seamless delivery to your site. Modules are installed and connected, allowing you to move in within days.

5. Post-Project Support & Expansion

We maintain long-term client relationships, providing ongoing maintenance, additional modules, or custom updates as your business evolves.

Each stage is managed in-house to ensure precision, timeliness, and client satisfaction. This streamlined process means you spend less time waiting and more time building your future.

Industries We Empower with Modular Offices

Craftsmen Industries’ modular office solutions are designed to serve a wide range of sectors. By combining speed, flexibility, and precision, these offices allow organizations to maintain productivity, adapt to changing needs, and scale efficiently. Our modular builds are suitable for permanent setups, temporary deployments, or rapidly expanding operations.

Here are some of the industries that benefit from our modular office solutions:

  • Corporate & Commercial: Flexible offices, showrooms, and satellite workspaces that grow with your business.
  • Government & Military: Secure command centers, administrative units, and mobile facilities built to meet strict regulations.
  • Healthcare & Education: Rapidly deployable modular clinics, classroom offices, and administrative spaces.
  • Construction & Energy: On-site project offices for field teams, engineers, and remote operations.
  • Nonprofits & Public Service: Temporary facilities for outreach, logistics, emergency response, or disaster relief.

We Bring Sustainability to Every Structure We Build

Modern organizations demand efficiency without compromising environmental responsibility. Craftsmen Industries meets this need with modular offices that are net-zero-ready, designed to reduce energy use and support long-term sustainability.

Our modular offices are built with features that promote energy efficiency and eco-conscious practices:

  • Energy-efficient insulation and windows: Maintain comfortable indoor environments while reducing heating and cooling costs.
  • Low-VOC finishes and eco-friendly materials: Create healthier workspaces and minimize environmental impact.
  • Renewable energy compatibility: Our modules are ready for solar panels, battery systems, and other sustainable power solutions.
  • Reusable modules: Units can be relocated or repurposed, eliminating demolition waste and reducing overall carbon footprint.

The U.S. Green Building Council highlights that modular construction can significantly reduce carbon emissions by promoting reuse and efficient resource consumption. Craftsmen’s approach aligns with this philosophy, building smarter, cleaner, and greener.

By prioritizing sustainability, we help clients meet regulatory standards and align their infrastructure with future-forward environmental goals.

Why Craftsmen Industries Leads in Modular Office Buildings

Craftsmen Industries isn’t just a builder but an innovation partner. The company’s success is driven by its multidisciplinary team, collaborative culture, and unwavering commitment to quality. When you work with us, you gain a partner who doesn’t just build for today but anticipates your needs for tomorrow.

  • In-House Expertise: Design, fabrication, electrical, graphics, and finishing are all performed under one roof.
  • Proven Reliability: Over 40 years of delivering complex modular projects across the U.S.
  • High Standards: AS9100D and ISO 9001:2015 certified for precision manufacturing.
  • Client-Centric Approach: Every design begins with your operational goals and ends with a tailored solution.
  • Sustainability Focus: Built to last while minimizing environmental impact.

From start to finish, we deliver more than just structures. It delivers strategic assets designed to empower people, enhance productivity, and future-proof organizations.

Let’s Build Your Future Workspace

Every growing organization deserves a workspace that evolves as quickly as its ambitions. With Craftsmen Industries’ modular office buildings, you’re not just expanding your footprint, but you’re investing in long-term flexibility, innovation, and performance. Whether you need a single-unit office, a multi-level structure, or an entire modular campus, we delivers precision-engineered solutions that adapt to your goals. 

Backed by 40+ years of expertise, our team ensures every detail, design, construction, and delivery reflects superior quality and reliability. Beyond efficiency, we create environments where productivity, comfort, and creativity thrive. Each modular office is crafted to embody your brand and support your team’s growth, today and for years to come. 

As businesses move toward sustainable and scalable models, Craftsmen Industries stands ready to build the future of work, one modular innovation at a time. Call 800.373.3575 or visit our website to discuss your modular office project today.

Frequently Asked Questions

What is a modular office building?

Modular offices are prefabricated buildings constructed off-site in factory-controlled environments, then delivered and assembled at your desired location. Here's what you need to know: Key Benefits: 30-50% faster construction than traditional methods. 20% lower costs on average compared to site-built offices.

What is a modular workspace?

A modular office is a workspace designed using pre-fabricated modules or office pods. These modules are constructed in controlled factory environments and then assembled on-site, offering a quicker, more flexible alternative to traditional office construction.

What are the three types of modular construction?

Modular construction can come in many forms and varieties, but the three most common are 2D panels, 3D modules, and hybrid modular construction.

  • 2D panels are the most cost-effective, easy-to-transport, and common type of modular construction in use today. 
  • 3D modules. 
  • Hybrid modular construction.

How quickly can a modular office be delivered and set up?

Craftsmen Industries manufactures each office module off-site while site preparation happens simultaneously. This allows most projects to be completed in weeks rather than months, providing fast, predictable deployment without disrupting your operations.

Can modular offices be customized to meet specific business needs?

Yes. Each modular office can be fully customized in size, layout, interior finishes, and exterior branding. Whether you need a single-unit workspace, a multi-unit complex, or specialized rooms such as conference areas or private suites, Craftsmen Industries designs offices that align with your operational and aesthetic goals.

Are modular offices sustainable and energy-efficient?

Absolutely. Craftsmen’s modular offices are built with energy-efficient insulation, low-VOC finishes, and renewable energy compatibility. The units are reusable and relocatable, which reduces waste and lowers carbon footprint, making them an environmentally responsible choice for growing organizations.