Bulk Custom Boxes in Denver: Smart Solutions for Professional Packaging

In the fast-paced world of retail, manufacturing, and e-commerce, quality packaging is more than a necessity—it’s a strategic asset. That’s why businesses looking for bulk custom boxes in Denver turn to Lenertz Industrial Supply Co., a trusted name in packaging since 1994.
At Lenertz, we understand that packaging isn’t just about putting a product in a box. It’s about protecting your goods, enhancing your brand, and creating an experience for your customers. That’s why our bulk custom boxes in Denver are designed with care, precision, and purpose.
Why Choose Bulk Custom Boxes in Denver?
If you’re a local business, buying bulk custom boxes in Denver isn’t just about convenience—it’s a smart move that saves time, reduces shipping costs, and supports a Colorado-based, family-run business. Our 40,000-square-foot warehouse is stocked with thousands of packaging products, including every type of custom box you can imagine—from rugged corrugated shipping boxes to elegant retail packaging.
Here’s what makes our bulk custom box solutions stand out:
- Tailored to Your Brand – We design packaging that aligns with your identity, including your colors, logos, and messaging.
- Built to Protect – Our boxes are engineered to handle the rigors of transit without compromising your product’s integrity.
- Ready When You Are – With our local inventory and 3PL logistics support, we make sure you have what you need, when you need it.
Custom Retail Packaging That Works
Custom packaging isn’t just for luxury brands. Whether you’re shipping tools, gourmet treats, or tech accessories, your packaging tells your customer who you are. That’s why businesses turn to us for bulk custom boxes in Denver that don’t just look good—they work hard, too.
We collaborate closely with each client to create practical, visually striking packaging solutions. Whether you’re launching a new product, rebranding, or simply need a better box, we’ve got you covered.
Creative Design Meets Practical Function
Our creative team brings your vision to life with innovative concepts and practical packaging formats. When you order bulk custom boxes in Denver from Lenertz, you get:
- Collaborative Design Services
- Unique Materials and Finishes
- Custom Inserts and Die Cuts
- Eye-Catching Shelf Appeal

From minimalist designs to bold, branded unboxing experiences, our custom boxes are crafted to leave a lasting impression.
Quality You Can Count On
We’ve built our reputation on quality and service. Each bulk custom box in Denver we produce undergoes rigorous quality checks to ensure consistency, durability, and visual appeal. Our commitment to quality means fewer returns, safer deliveries, and happier customers.
And because we’re a local company, we’re always just a call—or a short drive—away. We pride ourselves on building lasting relationships with the businesses we serve.
More Than Boxes: A Full Packaging Partner
While we specialize in bulk custom boxes in Denver, our offerings don’t stop there. From protective shipping supplies like bubble wrap and foam, to custom labels, tags, bags, and retail packaging—Lenertz is your one-stop packaging partner.
Our services include:
- Packaging audits and recommendations
- Supply chain logistics through 3PL
- Branded packing materials for seasonal promotions or product launches
A Family-Owned Colorado Original
Founded by Dick Lenertz after decades in the packaging business, Lenertz Industrial Supply Co. has always been committed to quality, service, and local partnerships. We’ve served Colorado businesses for over 30 years, and our team brings generations of experience to every customer interaction.
When you choose Lenertz, you’re not just buying bulk custom boxes in Denver—you’re investing in a partnership built on trust, expertise, and shared success.
Ready to elevate your packaging?
Discover how our bulk custom boxes in Denver can transform your brand presence, improve product protection, and streamline operations. Contact Lenertz Industrial Supply Co. today and let’s think inside the box—together.