What SEA BOX does

Sea Box, Inc. is a privately held, U.S.-based small business founded in 1983 and headquartered in Cinnaminson, New Jersey. The company designs, customizes, and manufactures ISO shipping containers and modular buildings for government/military, commercial, and medical customers. Its product line spans standard 10'/20'/40' dry freight and refrigerated containers, expandable Bicon/Tricon/Quadcon configurations, containerized shelters, IBC-compliant modular buildings, and specialized systems including the proprietary Intermodal Warehouse System (IWS), the Clean Water Box (a self-sufficient Tricon-based water filtration unit), and the Enhanced Container Delivery System (ECDS) for C-130/C-17 air-drop pallets. Approximately 35 Defense Logistics Agency contracts for the U.S. Army and Air Force between late 2017 and late 2021 anchor the defense segment; commercial storage, modular offices, and rentals serve the other primary segment.

Revenue is generated through one-time container sales, subscription rentals (month-to-month, minimum four-week terms), custom modification project work, modular building sales, parts/accessories via an online store, and professional services including testing and certification and precision machining through The Inventors Shop subsidiary. Pricing is uniformly quote-based. The company operates a 225,000 SF manufacturing facility expanded as part of its 40th anniversary in 2023 and holds ISO 9001:2015 quality certification; its TIS Aerospace subsidiary carries AS9100 certification. Subsidiaries The Inventors Shop, TIS Aerospace, and C-Box Solutions (modular EV charging) extend operations into adjacent industrial verticals. Go-to-market is sales-led enterprise with government procurement via GSA Advantage, an e-commerce storefront for parts, and direct delivery/pickup for rentals.

Name

SEA BOX

Legal name

Sea Box, Inc.

Website

https://seabox.com

Company type

Private

Founded year

1983

Operating status

Operating

Headcount range

101–250 employees

Ownership category

akta.pro rank

Product category

Shipping Container Manufacturing

NAICS

Boiler, Tank, and Shipping Container Manufacturing (3324)

SIC

Miscellaneous Transportation Equipment (3790)

akta.pro primary industry

Cargo Handling & Lifting Equipment (Cranes, Derricks, Hoists) (IMAJAIAB)

akta.pro secondary industries

Marine Terminals & Cargo Handling Infrastructure (RoRo, Bulk, Container) (IMAFAJAF), Marine HVAC, Refrigeration & Ventilation Systems (IMAJAIAE)

Keywords

• ISO container manufacturing
• Modular building construction
• Military container shelters
• Intermodal warehouse systems
• Custom container modifications

Headquarters

HQ city

Cinnaminson

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Container Sales: Sale of new and used ISO shipping containers including dry freight, refrigerated, open top, flatrack, and specialty containers in various sizes (10ft, 20ft, 40ft).
2. Container Rentals: Short and long-term rental of storage containers, refrigerated containers, and office containers. Month-to-month options with minimum four-week rental period.
3. Custom Container Modifications: Custom design and manufacturing of modified containers to suit specific purposes. Includes specialized storage systems, weapon storage, and custom configurations.
4. Modular Buildings: Sale of IBC-approved modular office buildings, classrooms, and living quarters that are stackable and reconfigurable.
5. Parts & Accessories: Sale of container parts, replacement parts, cargo control, shelving, refrigeration parts, and container accessories.
6. Services: Testing & certification, engineering & design, emergency refrigeration repair, and precision machining services through The Inventors Shop.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels4 records

Core offering

SEA BOX designs, customizes, and manufactures ISO shipping containers and modular buildings for commercial, military, and medical applications. The company produces standard 20' and 40' dry freight containers, refrigerated containers, expandable variants (Bicon, Tricon, Quadcon), containerized shelters, modular buildings, and proprietary systems such as the Intermodal Warehouse System (IWS) and Clean Water Box. SEA BOX also provides engineering, custom modifications, testing and certification, container rentals, and precision machining services through its wholly owned subsidiaries The Inventors Shop and TIS Aerospace.

Product overview

SEA BOX is a U.S.-based small business (established 1983) specializing in the design, customization, and manufacturing of ISO containers and modular buildings for commercial and military applications. The company operates a diverse product portfolio organized around core container types (Dry Freight, Refrigerated, Containerized Shelters, Specialty Equipment, Specialized Storage Systems, and Modular Buildings) supplemented by supporting services (Rentals, Testing & Certification, Custom Modifications, and Precision Machining). The product line spans standard 20' and 40' ISO containers to specialized variants including Bicons (10'), Tricons (expandable), and Quadcons, plus proprietary systems like the Intermodal Warehouse System (IWS) and Clean Water Box. SEA BOX serves both government/military and commercial sectors with products available for purchase, lease, or rental.

Differentiator

Problem solved

Functional benefit

Brands

• The Inventors Shop (TIS): A full-service precision machining, sheet metal, welding and assembly plant with over 40 years of expertise serving as a springboard of innovation for the ISO container industry.
• TIS Aerospace
• C-Box Solutions

Products and services

• ISO Dry Freight Containers Standard shipping containers in 20' and 40' lengths, available in multiple door configurations, for secure cargo transport and storage by commercial and government customers.
• Refrigerated Containers Self-contained and shore-powered temperature-controlled containers in 10', 20', and 40' sizes, proven for repeated deployment in harsh environments.
• Containerized Shelters Military and expeditionary shelters including personnel, equipment, and expandable configurations for various operational and deployment needs.
• Modular Buildings IBC-compliant flat pack modular buildings that are customizable, connectable, and stackable for temporary or long-term office buildings, classrooms, or living quarters.
• Specialty Equipment Open top containers, flatracks, trailers, and custom-manufactured frames and platforms for specialized logistics and military needs.
• Specialized Storage Systems Container enhancements and accessories, including weapons storage, tool storage, shelving systems, and warehouse configurations for specific cargo types.
• Bicon Containers 10' x 8' collapsible container design that fits inside standard 40' containers for efficient return shipment.
• Tricon Containers Expandable container design that expands to nearly triple its original size, available in refrigerated, dry freight, and shelter variants.
• Quadcon Containers Collapsible ISO containers with modular storage configurations, featuring various heights and door configurations for military and commercial applications.
• Intermodal Warehouse System (IWS) Interconnectable, all-steel cargo-carrying platform and field warehouse system designed to improve efficiency, safety, and quality in logistics operations.
• Clean Water Box (CWB) Fully contained mobile water filtration unit housed within a Tricon container, capable of processing 5,000 to 18,000 GPD of non-potable water, with self-sufficient wind turbine, solar panel, and battery backup power.
• Enhanced Container Delivery System (ECDS) Pallet designed for sling load and suspended air drops by C-130 or C-17 military cargo aircraft, compatible with the Army's LHS and Palletized Loading System.
• Container Rentals Short- and long-term rental of dry freight storage containers, refrigerated containers, and office containers across the United States, with month-to-month billing and a minimum four-week rental period.
• Testing & Certification Services State-of-the-art intermodal shipping container testing facility offering certification services for containers and shelters, supporting ISO 9001:2015 quality standards.
• Custom Container Modifications Engineering and custom manufacturing capabilities to design and modify containers for specialized purposes, including weapon storage, custom storage systems, and unique customer configurations.
• Precision Machine Shop (The Inventors Shop) Full-service precision machining, sheet metal, welding, and assembly services through The Inventors Shop (TIS) and TIS Aerospace (AS9100-certified), serving as a springboard of innovation for the ISO container industry.

Quantifiable outcome

• Produced tens of thousands of containers used on every continent
• +2 more outcomes

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Four partnerships are on record, tiered core and minor.

• The Inventors Shop (TIS)coreStrategic or Co-development PartnerThe Inventors Shop is a full-service precision machining, sheet metal, welding, and assembly plant with over 40 years of expertise. Specializes in producing high-quality parts and assemblies using ferrous and non-ferrous metals, plastics, glass, and stone. Serves as a springboard of innovation for the ISO container industry. Located within SEA BOX's ecosystem.
• TIS AerospacecoreStrategic or Co-development PartnerTIS Aerospace is an AS9100-certified company specializing in precision machining, turning, assembly, and welding. With over 80 years of combined experience, serves aerospace, defense, and high-tech sectors. Offers high-quality solutions in ferrous and non-ferrous metals, plastics, and phenolics.
• C-Box SolutionsminorStrategic or Co-development PartnerC-Box Solutions builds modular EV charging stations that also serve as platforms for outdoor media, fan engagement, and retail activation. Units are designed for easy deployment and brand customization, ideal for events, venues, and high-traffic public spaces.
• Defense Logistics Agency (DLA)coreOthersU.S. Defense Logistics Agency awarded SEA BOX approximately 35 contracts for Army and Air Force between late 2017 and late 2021. Products included shipping containers for Department of Defense use.

Scale indicators6 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Falcon Structures: Falcon Structures designs and manufactures container-based buildings and modified shipping containers for commercial and government applications, directly overlapping SEA BOX's core business of customized ISO container solutions across similar end markets.
• CXT Inc. (L.B. Foster): CXT Inc., a subsidiary of L.B. Foster, manufactures prefabricated concrete buildings and modular structures marketed to military, government, and commercial customers, comparable to SEA BOX's modular building and containerized shelter product lines for defense and remote-site deployments.
• Mobile Modular (McGrath RentCorp): Mobile Modular provides portable storage containers, modular offices, and modular buildings for rent and sale across the U.S., directly competing with SEA BOX's container rental fleet and modular building offerings on similar commercial job-site applications.
• Pac-Van / Container Storage & Equipment: Pac-Van is a large U.S. provider of storage containers, mobile offices, and modular buildings for rent and sale. It competes with SEA BOX on container rentals, modifications, and modular commercial offerings to construction, industrial, and government customers.

Broad incumbents

• WillScot (formerly Williams Scotsman): WillScot is the largest North American provider of mobile offices, modular space, and storage container solutions, competing with SEA BOX on commercial rentals and modular buildings while operating at a far larger scale across broader geographies.
• ATCO Group: ATCO manufactures modular buildings, workforce housing, and specialized structures for industrial, military, and remote-site applications. Its Structures segment competes with SEA BOX's modular buildings and containerized shelters serving defense and commercial customers.
• Triton Container International: Triton is one of the world's largest container lessors with a global fleet of refrigerated and dry ISO containers, comparable to SEA BOX on refrigerated container manufacturing and rental/leasing operations across international shipping markets.
• CIMC (China International Marine Containers): CIMC is the world's largest manufacturer of ISO shipping containers, producing standardized dry freight and refrigerated containers at scale. While not a direct competitor in SEA BOX's custom defense/modification niche, it sets pricing for the underlying container market SEA BOX participates in.
• Singamas Container Holdings: Singamas is a major global manufacturer of ISO dry and refrigerated shipping containers with extensive manufacturing capacity. It provides the broad competitive backdrop against which SEA BOX's standard container business competes while SEA BOX differentiates through customization.

Emerging players

• Modular Container Systems: Modular Container Systems is a niche provider of customized shipping container solutions and modular buildings for commercial and government customers, comparable to SEA BOX in offering specialized containerized enclosures and field-deployable structures.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/seaboxinc
• LinkedInlinkedin.com/company/seabox

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries3 records

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 SEA BOX