Custom containers and accessories

Think Inside the Box With Our Design Services

Custom Add-Ons and Accessories

Pick What Options You Want to Add to Your Purchased Container

Tuff Box Containers offers several add-on and accessory options. We perform all custom alterations in-house saving you money and delivering the best possible quality. All custom work is done by a team of professional and well-trained technicians. Whether it’s to increase the security of your conex box, customize a new workspace, or add more access points, our knowledgeable design staff can make it happen for you.

Locks and Lock Boxes

Our lock guards are the best in the industry and proven to keep your belongings and equipment safe from theft. Our locks are almost impossible to pick and cut when used in combination with our lock boxes.

Windows and Openings

Add heavy-duty steel framed windows with steel bar glass guards for extra protection and security for your container. Wanting something less rugged and more stylish? We've got options!

Exterior Lighting

Add a security light, spot lights, or work lights to the outside of your container for extra lighting.



Most container come stock with some kind of wooden flooring. We offer a huge variety of flooring options from vinyl to real wood or diamond plate to polyurethane coating.

Multiple Door Options

We can add a steel security door or roll up door to your conex container box. Access your equipment and belongings the way the suits you best!

Interior Lighting

We provide multiple lighting options for the inside of your container. From LED, halogen, and recessed lighting, pick the option that works best for your application.


Stay comfortable by adding heating and cooling to your container! We can add multiple types of systems from commercial grade HVAC to smaller units.

Cable Readiness

Want to be able to access the internet or watch television in your new workshop? We can equip your container with coaxial connections for cable and internet readiness.

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Paint/ Graphics

Pick the type of electrical hook up that works best for you. We can wire your conex in multiple ways including 220, 110, solar, and 3 phase with multiple receptacles and a breaker box.

Adding ventilation or door vents keep your container less humid and cooler during those hot summer months, better protecting your equipment or other stored items from the weather.

We offer a variety of paint and custom graphic options. From vinyl logos and wraps to full paint, we can make the outside of your box look any way you need it to.

Shelving/ Storage


We can add cabinets, closets, tables, and shelving that  keep your conex box, equipment, and property organized for easy access, while adding more opportunity for storage, giving you a bigger bang for your buck.

Want a sink, restroom, or shower for your new workshop or shed? We can plumb the shipping containers in many different ways for everything from sinks to showers to toilets.

Custom Design Containers

From Workshops to Bunkers to Storm Shelters to Container Homes

Tuff Box delivers in-house custom design services. Whether you're looking for a simple add-on like a lock guard, side door, window, electrical, roll up door, or you are wanting a full workshop or shed we have you covered. Our custom build team is skilled and ready to customize any container to make it fit your needs.


Even if you aren’t sure how to make your container as flexible as you need it, our


design staff is specially trained to fit your desired add-ons into your box and can also tell you when something can be done better. We can make sure that your new custom conex is everything you want and need, while making sure its safe, secure, and provides all the benefits a heavy-duty container can offer. We’ve built offices, firework stands, concession stands, bunkers, deer blinds, workshops, sheds, bridges and more, and our team of highly skilled, professional builders are ready for your challenge.

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