Sunbelt Modular

Name

Sunbelt Modular

Legal name

Sunbelt Modular, Inc.

Website

https://sunbeltmodular.com

Company type

Private

Founded year

1995

Operating status

Operating

Headcount range

101–250 employees

Ownership category

akta.pro rank

Product category

Modular Construction

NAICS

Other Specialized Design Services (541490)

SIC

Prefabricated Metal Buildings & Components (3448)

akta.pro primary industry

Modular/Offsite General Contracting & Installation (IMAFAAAK)

Keywords

• Modular construction
• Prefab buildings
• Manufactured buildings
• Modular manufacturing
• Commercial modular buildings

Headquarters

HQ city

Phoenix

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, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Modular Building Sales: Sale of custom modular buildings to commercial, residential, healthcare, education, government and other sectors. Buildings are custom-made to specifications and delivered as complete modular units.
2. Dealer/Partner Network: Wholesale modular building management working with dealerships to share resources, knowledge, and best practices across Sunbelt companies
3. Leased Modular Buildings: Some projects involve leased, relocatable buildings that can be repurposed post-project (e.g., 11-Mile Solar project)

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

Sunbelt Modular is a wholesale modular building management company that designs, manufactures, and distributes custom modular buildings through a network of 15 subsidiary manufacturing brands and 220+ dealer partners across North America. The company produces commercial-grade modular structures across eight market segments — Commercial, Religious Institutions, Education, Data Centers, Healthcare, Government/Military, Residential, and Energy — with sizes ranging from small restroom facilities to 86,400 sq. ft. dormitory complexes. Sunbelt's distinctive capability is converting traditional site-built architectural plans into modular-friendly designs, allowing faster delivery (30-50% quicker than traditional construction) while maintaining full customization and code compliance.

Product overview

Sunbelt Modular is a wholesale modular building management company comprising 15 subsidiary manufacturing brands (including Britco Structures, C&B Custom Modular, Northwest Modular, Specialized Structures, ProMod Manufacturing, Phoenix Modular, ProBox, Southeast Modular Manufacturing, Mr. Steel, Indicom Building Inc., Amtex Manufacturing, and Whitley Manufacturing) that share resources, knowledge, and best practices. The company operates as a unified platform delivering modular construction solutions across eight distinct market segments: Commercial, Religious Institutions, Education, Data Centers, Healthcare, Government/Military, Residential, and Energy. Each subsidiary specializes in specific building types—ProMod and Specialized Structures focus on healthcare and government facilities; Southeast Modular and Whitley Manufacturing handle residential and educational projects; Phoenix Modular and Indicom serve energy sector clients; while Britco provides workforce housing solutions. The portfolio ranges from 144 sq. ft. restroom facilities to 86,400 sq. ft. dormitory complexes, serving all 50 U.S. states and provinces with over 220 partners across North America.

Differentiator

Problem solved

Functional benefit

Brands

• Britco Manufacturing: One of the Sunbelt companies producing modular buildings
• C&B Custom Modular
• Northwest Modular
• Specialized Structures
• ProMod Manufacturing
• Phoenix Modular
• probox
• Southeast Modular Manufacturing
• Mr. Steel
• Indicom Building Inc.
• AmTex Manufacturing
• Whitley Manufacturing

Products and services

• Healthcare Modular Buildings Comprehensive healthcare facility solutions including oncology centers, cancer institutes, radiation treatment centers, dialysis clinics, MRI facilities, emergency departments, behavioral health centers, dental clinics, and hyperbaric chambers, with sizes ranging from 1,750 sq. ft. to 16,000 sq. ft. Built for hospitals, clinics, and healthcare providers requiring code-compliant medical environments.
• Education Modular Buildings Educational facilities for K-12 schools and universities including classrooms, daycares, development centers, press boxes, and school buildings. Solutions range from temporary classrooms (3,600 sq. ft.) to permanent multi-story educational facilities such as a 21,000 sq. ft. four-story college dormitory delivered in under 90 days.
• Government/Military Modular Buildings Government and military facilities including military ops training centers, communication enclosures, FLETC dormitories and training centers, and public infrastructure. Delivered projects include an 86,400 sq. ft. two-story dormitory for Federal Law Enforcement Training Centers, a 2,800 sq. ft. K9 facility for NYPD, and a 58,750 sq. ft. military operations training facility.
• Data Center Modular Buildings Sensitive Compartmented Information Facilities (SCIF) meeting strict U.S. government security standards with reinforced steel, anti-tampering systems, and continuous backup power. Delivered projects include a 5,361 sq. ft. SCIF data center for government clients.
• Residential Modular Buildings Residential solutions including ADU villages, multi-family complexes, transitional housing, affordable housing, and workforce housing. Delivered projects include the Ocean Cay 3-story complex (14,784 sq. ft. per building), the Seahorse Village ADU project (31 units), and the Clara Brown Commons transitional housing community center.
• Energy Sector Modular Buildings Modular solutions for energy sector including solar farm offices, oil rig housing, and nuclear facility offices. Delivered projects include an 8,256 sq. ft. solar office complex for the 11-Mile Solar Project, a 1,440 sq. ft. solar farm office in Rapid City SD, and a 36,480 sq. ft. nuclear power plant office.
• Commercial Modular Buildings Commercial facilities for offices, retail, hospitality, and lodging. Delivered projects include Tres Rios Lodge (16,800 sq. ft., 130 workers), airline locker rooms, credit unions, golf facilities, and three 3-story modular buildings (14,784 sq. ft. each) for Ocean Cay cruise-line employee housing.
• Religious Institution Modular Buildings Modular buildings for religious organizations including churches, sanctuaries, and worship facilities with classroom spaces, designed to meet community facility needs and budget considerations.

Quantifiable outcome

• 30-50% faster construction timeline
• +5 more outcomes

Named customers8 records

Segments8 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Triumph Modular: Northeast US-based modular building provider offering lease and sale of modular offices, classrooms, and commercial space. Direct competitor in modular sales and leasing for commercial and education customers with overlapping geographies.
• Guerdon Modular Buildings: US-based modular manufacturer of large-scale multi-story commercial, hotel, housing, and education buildings using factory-built technology. Direct peer in modular construction of multi-story permanent buildings (apartments, hotels, dormitories), serving similar West Coast developers and institutional customers.
• ATCO Structures & Logistics: ATCO manufactures and leases modular workforce housing, offices, classrooms, and healthcare buildings across North America and globally. Direct peer in modular manufacturing for energy/oil & gas workforce housing, education, and government, with comparable scale and vertical breadth.
• Vesta Modular: US modular building provider offering leasing and sales of modular offices, modular restaurants, and custom commercial modular structures. Direct peer in commercial modular lease/sale with comparable mid-market customer base.

Broad incumbents

• WillScot: WillScot is the largest North American provider of mobile offices and modular space, including lease and sale of prefabricated buildings across commercial, industrial, and government verticals. Directly comparable to Sunbelt in modular leasing/sales for workforce housing, offices, and government, though WillScot is much larger and lease-focused.
• McGrath RentCorp: Parent of Mobile Modular Portable Storage and other modular rental businesses serving commercial, education, healthcare, and government customers in North America. Closely comparable in product offering (modular building rentals and sales) and customer base to Sunbelt, though more lease-weighted.
• Modulaire Group: Pan-European modular space services provider offering rental and sale of prefabricated buildings across construction, industrial, education, and public sectors. Comparable in modular leasing and sale model and end-market diversity, though geographically focused on Europe.
• Algeco: European-headquartered leader in modular space rental and permanent modular construction serving construction, education, and government customers. Comparable in product category (modular buildings for sale and lease) and end markets, though Algeco's footprint is weighted toward Europe.

Emerging players

• Boxabl: US-based modular housing startup focused on factory-built foldable homes for residential and workforce housing markets. Comparable in factory-built residential modular, though narrower product line and earlier-stage scale than Sunbelt's residential segment.

Others

• Whitley Manufacturing (acquired): Whitley Manufacturing, now a Sunbelt subsidiary acquired July 2025, designs and produces modular buildings for military, education, commercial, and industrial customers. Most relevant as an internal comp showing how Sunbelt's roll-up playbook is unfolding within the platform.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks2 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries12 records

Funding overview

Funding rounds1 record

Investors2 records

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

M&A2 records

Investments

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

Frequently asked questions about Sunbelt Modular