MBSI

What MBSI does

Modular Building Systems International (MBSI) is a privately held modular construction firm headquartered in Clermont, Florida, that designs, manufactures, delivers, and installs temporary and permanent modular buildings for general contractors, developers, educational institutions, government agencies, healthcare providers, and commercial buyers across the Southeast US. The company operates a controlled-environment manufacturing process and offers a turnkey service scope covering design, permitting, site work, manufacturing, logistics, delivery, and installation, supported by Florida (FL CBC 1259712) and Tennessee (TN 74993) general contractor licenses.

MBSI's product portfolio spans core modular structures — office buildings in 2–15 floor configurations, classroom units, container units, and construction trailers — alongside scalable multi-unit configurations (double-wide, triple-wide, and 4-plex+ complexes reaching 15-plex layouts and 150,000-square-foot project footprints) and market-specific solutions for healthcare, government, hospitality, and workforce housing. Its underlying technology emphasizes controlled-environment manufacturing to reduce weather risk, on-site theft, and material waste (claimed up to 90% reduction versus traditional construction), while ADA-compliant design is applied across the product line.

The company monetizes through three primary streams: one-time sales of modular buildings and units, recurring lease arrangements for temporary modular solutions (mobile offices, construction trailers, classroom units), and professional services for site work, exterior/access features, building systems, and relocation/installation. Go-to-market is sales-led and direct, with quote-request and contact forms segmenting inquiries by market and purchase type (lease vs. sale), and field sales outreach to enterprise and government procurement channels — particularly via WBE, DBE, SBE, and LDB certifications that grant access to airport, transportation, and public-sector contracts. Named marquee engagements include Tampa International Airport's $1.5 billion modernization, Nashville International Airport expansion, Universal's Epic Universe theme park, and The Language and Literacy Center charter school.

Name

MBSI

Legal name

Modular Building Systems International

Website

https://mbsi.com

Company type

Private

Founded year

1999

Operating status

Operating

Headcount range

1–10 employees

Short description

Modular Building Systems International (MBSI) is a Clermont, Florida-based modular construction firm that designs, manufactures, delivers, and installs temporary and permanent modular buildings for general contractors, educational institutions, government agencies, healthcare providers, and commercial buyers across the Southeast US.

Ownership category

akta.pro rank

Product category

Modular Construction

NAICS

Nonresidential Building Construction (2362)

SIC

Prefabricated Metal Buildings & Components (3448)

akta.pro primary industry

Modular/Offsite General Contracting & Installation (IMAFAAAK)

Keywords

• Modular construction buildings
• Portable classroom solutions
• Construction trailer rentals
• Modular office buildings
• Prefab building manufacturing

Headquarters

HQ city

Winter Garden

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales

Revenue model

1. Modular Building Sales: One-time sale of modular buildings, office units, classroom units, and container units. Revenue generated from the sale of manufactured modular structures across various sizes and configurations.
2. Modular Building Lease: Lease arrangements for temporary modular solutions including in-fleet mobile offices, construction trailers, and classroom units. Allows customers to access modular buildings without upfront purchase.
3. Additional Services: Revenue from ancillary services including exterior/access features (ramps, decks, canopies), building systems (plumbing, electrical), interior services (furniture, remodeling), and relocation/installation services.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels3 records

Core offering

MBSI designs, manufactures, delivers, and installs modular buildings — including office buildings, classroom units, container units, and construction trailers — for temporary and permanent use across the Southeast United States. The company provides full turnkey services spanning design, permitting, site work, manufacturing, transportation, and installation. It also supplies market-specific modular solutions for healthcare, government, hospitality, education, and workforce housing customers.

Product overview

MBSI operates as a modular building solutions provider offering a portfolio of interconnected products and services for temporary and permanent construction needs. The core product lineup centers on modular buildings available as Office Buildings (multi-floor configurations from 2-15 floors), Classroom Units, Container Units (8x20), and Construction Trailers/Field Offices. These products are offered in flexible configurations including Double-Wide, Triple-Wide, and 4-Plex+ complexes to scale for project requirements. Market-specific solutions include Healthcare Facilities (clinics, laboratories, mobile medical units), Government Structures (field offices, emergency response, correctional, military), Hospitality Spaces, and Workforce Housing. Add-on services including Site Work, Exterior & Access Solutions, Building Systems Services, and Relocation Services complete the turnkey offering, enabling MBSI to deliver integrated modular solutions from design through installation.

Differentiator

Problem solved

Functional benefit

Products and services

• Modular Office Buildings Multi-floor modular office buildings available in 2-15 floor configurations (24x60 to 180x56 sq ft) designed for administrative, commercial, and professional use.
• Modular Classroom Units Modular classroom buildings for educational facilities, available in 2-floor configurations (24x60), supporting flexible learning environments for schools and universities.
• Container Units Compact 8x20 container units for portable space needs, suitable for storage, temporary offices, and jobsite facilities.
• Construction Trailers Temporary mobile offices and field offices designed for construction job sites, providing workspace for project management, safety meetings, document storage, and administrative functions.
• Portable Classrooms Flexible, scalable modular classrooms supporting educational institutions with options for restrooms, cafeterias, gymnasiums, administrative offices, and computer labs.
• Healthcare Modular Facilities Modular clinics, laboratories, and mobile medical units designed for healthcare providers to deliver care efficiently and safely wherever needed.
• Government Modular Structures Purpose-built modular structures for federal, state, and local agencies including field offices, emergency response facilities, correctional facilities, and military projects.
• Hospitality Modular Spaces Modular solutions for hospitality including sales centers, mock model centers, commercial kitchen space, and cafe facilities.
• Modular Workforce Housing Modular housing solutions for workforce accommodation needs.
• Site Work and Installation Services Complete site work and utility installation services including foundation preparation and modular building installation for seamless start-to-finish construction.
• Exterior and Access Solutions Ancillary exterior solutions including ramps, decks, steps, canopies, awnings, sidewalks, and walkways.
• Building Systems Services Plumbing manifolds and connections, electrical and low voltage systems installation.
• Modular Building Relocation Services Modular building relocation and installation services for existing units.

Quantifiable outcome

• Waste reduction of up to 90% compared to traditional construction methods through controlled manufacturing, closed-loop material management, and environmental protection.
• +2 more outcomes

Named customers4 records

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• Everett Whitehead & Son, Inc.minorStrategic or Co-development PartnerServed as contractor of record working alongside Everett Whitehead & Son, Inc. on a new modular classroom initiative for The Language and Literacy Center in Central Florida (2021). MBSI provided project coordination and modular construction services for this public charter school project serving Pre-K through 12th-grade students with special needs.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Pac-Van: Provider of portable storage containers, mobile offices, and modular buildings across multiple US regions. Overlaps with MBSI's container units and construction trailer product lines and similar small-to-mid project customer base.
• Satellite Shelters: Provider of mobile offices, modular buildings, and storage containers with regional depot networks. Directly competes with MBSI on construction trailers and modular office leases in adjacent Southeastern states.
• VESTA Modular: Modular building leasing specialist providing temporary and permanent modular solutions across education, healthcare, government, and commercial sectors. Closely comparable in product configuration (multi-plex complexes) and lease-driven revenue model.
• Mobile Modular Portable Storage: Direct competitor offering modular office buildings, portable storage, and educational/classroom facilities for rent or sale. Overlaps directly with MBSI's office buildings, classroom units, and container unit product lines across education, government, and commercial verticals.
• Triumph Modular: Full-service modular construction provider for temporary and permanent buildings, including educational, commercial, and healthcare facilities. Comparable turnkey sales-and-lease model with similar multi-state coverage profile.

Broad incumbents

• ModSpace: Was a major North American modular space leasing provider (now part of McGrath/Willscot footprint) offering mobile offices, modular buildings, and storage. Historical competitor to MBSI in the same modular construction and lease vertical.
• WillScot: Largest North American provider of modular space and portable storage with a deep rental fleet and national delivery footprint. Directly comparable as a turnkey modular office and construction trailer provider, but operates at vastly greater scale across the same end markets MBSI serves.
• McGrath RentCorp: Diversified rental services company with a Mobile Modular division offering modular buildings and portable storage. Comparable product offering (mobile offices, modular complexes) and lease/sale revenue model, but with national reach and public-company scale.

Regional players

• ATCO Space Rentals: Canadian-based modular space and workforce housing provider with US operations. Comparable modular office and workforce housing offerings, though primarily serving different geographies than MBSI's Florida/Tennessee footprint.

Emerging players

• Classroom Builders (CCS Southwest): Specialized modular and portable classroom provider serving K-12 school districts. Directly comparable to MBSI's education vertical, particularly the Language and Literacy Center-style charter school classroom deployments.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about MBSI