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Top 10 Modular Construction Services Companies - 2022
From large-scale projects to prefabricated buildings to modular office buildings, the modular construction business is booming. In fact, the global modular building construction market is expected to grow to 67.04 billion dollars by the end of this year, at a CAGR of 7.1 percent.
A major share of this growth can be attributed to the increasing use of building information modeling (BIM) in the modular construction space. BIM is greatly aiding modular construction workers by providing insights into the project before it begins and offering tools to plan the design successfully. Besides, it also makes the precise measurements of prefabricated modules available for sub-contractors or a third-party delivering windows or doors to make everything fit flawless when delivered on-site.
To put the spotlight on this innovative development and many others in the industry, Construction Business Review features thought leadership articles by Andy Mest, Managing Director of Preconstruction and Offsite Construction at Greystar, Laura Smith, Virtual Construction Specialist at Miron Construction, and Will Adams, Emerging Technologies Developer of Mortenson, among others who shed light on the virtual technology and other smart innovation can take modular construction to the next level.
In this edition of Construction Business Review magazine, we also bring to you the story of some of the top modular construction solution providers and modular construction service companies that deliver the best outcomes for their clients. In the list, the stories of Keystone Structural Group, Liberty Storage Solutions, MECART, and Stack Modular particularly stand out in terms of how they are bringing differentiation to the modular construction workflow and outcome.
Through the following pages, we aim to shine a light on the innovative trends and latest developments in the modular construction industry. We would like to know your thoughts.
Nominate a Company
Usually, the qualified subscribers of our magazine nominate companies with whom they have collaborated and experienced exceptional results to be in this list. Did a company you recently worked with give you stellar results and ROI? Did it turn out to be one you would wholeheartedly recommend to peers? Or do you know of such an outstanding company through your network? Please fill in the details below and nominate them to be featured here.
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Top Modular Construction Services Companies
Keystone Structural Group (KSG) provides specialized expertise in modular engineering design by working with multiple modular manufacturers around the United States to ensure their designs are economical, cost-effective, safe for travel, and easy to build. At a point in time when modular engineering is set to play a key role in the multi-family residential market, KSG is helping building owners get an immediate return on their investments with high quality designs, that ease construction and provide costs savings. KSG principals are currently licensed in 20 states and are NCEES certified, allowing them to work on projects throughout the United States.
Accuset Construction
Accuset Construction is a modular installation organization that developers, builders, school administration, and high-end homeowners come to for quick, dependable, and expert installation
Acrow
Acrow is a global leader in bridge engineering and supply. It’s prefabricated modular components are primarily intended for permanent bridges and rapid response applications such as detour, military, and emergency bridging
Allied Office Trailers & Storage Containers
Allied Trailers manufactures space and storage solutions for the construction, public works, events, retail, government, and education industries
Fulcrum
Clients come to Fulcrum before engaging in a development agreement for construction management consulting services to decrease risk and improve revenue
RDI Enclosures and Systems
RDI Enclosures and Systems is committed to supplying you with prefabricated structures tailored to the company’s exact specifications to secure any important equipment
Silver Creek Industries
Silver Creek Industries is a pioneer in the construction of offsite modular buildings. Silver Creek provides creative and cost-effective building solutions based on decades of expertise and thousands of completed projects
SiteBox Storage
Since 1998, SiteBox Storage has provided businesses with the space they require to be more productive and organized. During that period, they optimized portable storage unit production while establishing a distribution infrastructure that allowed the company to provide the finest customer service in the market
Studio Shed
Studio Shed has been a national leader in the fast-rising field of smart, well-designed prefabricated backyard buildings since 2008. Studio Shed is a fresh spin on a classic garden landmark
VESTA Modular
VESTA offers temporary specialty building projects that feature the customization required for the industry. It includes but is not limited to restrooms, cafeteria buildings, professional shop and retail buildings, emergency services buildings, storage, and more
Modular and Prefab Construction FAQ
Q1
What Do Top Modular and Prefab Construction Companies Do?
Top Modular and Prefab Construction Companies specialize in producing building components or complete modules in controlled factory environments before transporting them to the project site for assembly. The category covers modular housing, prefabricated commercial buildings, temporary structures, healthcare facilities, educational spaces and industrial projects. Unlike conventional construction, much of the fabrication work happens off-site, reducing weather delays and improving schedule predictability. Construction Business Review’s listing context also reflects how buyers today increasingly evaluate providers on more than just build quality. Manufacturing consistency, logistics coordination, engineering support and overall installation capability have all become important parts of the decision-making process.
Q2
Why Is Demand Growing for Top Modular and Prefab Construction Companies?
Labor shortages, rising material costs and compressed project timelines continue to push developers, contractors and public-sector buyers toward off-site construction methods. Top Modular and Prefab Construction Companies are gaining attention because factory-controlled production can shorten construction timelines while reducing waste and site disruption. The category is also benefiting from growing demand for affordable housing, temporary infrastructure and scalable commercial expansion. Several industry reports cited across modular construction publications continue to point toward market growth driven by urbanization, sustainability pressures and the increasing need for faster occupancy across healthcare, education and industrial sectors.
Q3
How Should Buyers Evaluate Modular and Prefab Construction Providers?
A modular construction provider is often evaluated differently from a traditional contractor and more like a manufacturing and logistics partner. Buyers usually assess factors such as factory capacity, transportation planning, permitting support, structural engineering expertise and the provider’s ability to coordinate on-site assembly with local contractors. Project type also changes the way providers are evaluated. A healthcare facility, workforce housing project and modular classroom deployment each involve their own compliance demands and installation risks. Procurement teams typically evaluate production reliability, inspection processes, supply-chain resilience and familiarity with regional building codes before placing too much emphasis on design flexibility or pricing alone.
Q4
What Value Do Modular and Prefab Construction Methods Deliver?
One of the strongest advantages is schedule compression. Off-site fabrication allows site preparation and module production to take place at the same time, which can reduce overall project duration in many cases. This may help lower financing exposure, shorten facility downtime and accelerate occupancy. Factory-based production environments also improve material handling and quality control compared with weather-dependent site construction. In sectors such as healthcare, hospitality and multifamily housing, modular delivery can reduce disruption around active facilities or dense urban sites. Top Modular and Prefab Construction Companies are also increasingly associated with waste reduction, predictable budgeting and tighter control over labor coordination.
Q5
How Are Technology and Manufacturing Changing the Category?
The category increasingly overlaps with manufacturing automation, digital engineering and industrialized construction workflows. Building information modeling, CNC fabrication, volumetric construction systems and pre-integrated mechanical components are becoming more common across modular projects. Some providers now manufacture highly standardized modules while others focus on customized, sector-specific structures. Digital planning tools also improve coordination between architects, engineers, manufacturers and installation teams before fabrication begins. Publications covering the category frequently highlight how prefab construction is expanding beyond temporary structures into healthcare, hospitality, education and permanent residential developments, where precision manufacturing is playing a larger role.
Q6
What Should Decision-Makers Prioritize When Comparing Top Modular and Prefab Construction Companies?
Decision-makers usually look beyond visual design and compare execution capability across the full project lifecycle. Key considerations include manufacturing scale, installation experience, transportation management, regional code familiarity, lead times and post-installation support. Buyers also assess whether a provider handles engineering, fabrication and site coordination internally or relies heavily on subcontracting. For public-sector and commercial projects, documentation accuracy and inspection readiness often become critical selection factors. Top Modular and Prefab Construction Companies are increasingly judged on how reliably they manage scheduling pressure, supply-chain disruptions and field coordination rather than on prefabrication alone.
