Duro-Flex

What Duro-Flex does

Duro-Flex, LLC is a family-owned manufacturer of corrugated packaging products headquartered in High Hill, Missouri, along Interstate 70 between St. Louis and Columbia. Founded circa 1950, the company has operated continuously for over 70 years serving primarily Midwest-region businesses across aerospace, construction, food and beverage, e-commerce, medical, industrial, and general commercial sectors. Its core product is custom and standard corrugated packaging in single, double, and triple wall configurations, with multi-depth box design as a configurability feature. The portfolio extends into custom foam packaging using smart foam technology with HDPE foam molded to specification, die-cut packaging produced via die-press cutting, industrial-grade pallet boxes (Gaylords and octagonal bins), collapsible bulk shippers, FDB- and U.N.-certified hazardous waste containers for Groups I, II, and III, eco-friendly non-wood corrugated pallets, and specialty wooden shipping crates.

The business operates a B2B direct sales model with quote-based pricing solicited through the company website, phone (636-585-0220), and LinkedIn. Distribution is hybrid: in-house local delivery via company trucks across Missouri and the Midwest, paired with outsourced third-party freight shipping for nationwide reach. Revenue is generated through one-time sales of custom and standard packaging units plus complete package assembly services that combine outer corrugated containers with foam inserts, dividers, partitions, and custom printing (logos, barcodes, graphics). Pricing is not publicly disclosed and varies by specification, quantity, materials, and customization. The firm holds AICC (Association of Independent Corrugated Converters) membership as its primary external affiliation, with no disclosed parent company, institutional investors, or M&A activity across its multi-decade operating history.

Technically, the company operates as a discrete manufacturer with no disclosed digital product, API, or software layer. Manufacturing capabilities rest on conventional corrugated converting, custom HDPE foam molding, die-press cutting technology, and printing equipment. No information regarding production capacity utilization, throughput metrics, automation levels, or yield rates is disclosed in the source material.

Name

Duro-Flex

Legal name

Duro-Flex, LLC

Website

https://duroflexusa.com

Company type

Private

Founded year

1950

Operating status

Operating

Headcount range

11–50 employees

Short description

Duro-Flex is a family-owned Missouri-based manufacturer of custom corrugated packaging products, including triple wall boxes, foam inserts, die-cut packaging, and FDB-certified hazardous waste containers, serving aerospace, medical, food and beverage, e-commerce, construction, and industrial clients across the United States via quote-based B2B sales.

Ownership category

akta.pro rank

Headquarters

HQ city

High Hill

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. Custom Corrugated Packaging Products: One-time sale of custom and standard corrugated packaging including boxes, pallets, and containers. Products are sold in custom or standard sizes with various configurations (single, double, triple wall).
2. Wooden Shipping Crates: Custom specialty wooden shipping crates and products sold on a per-project basis with custom specifications and dimensions.
3. Specialty Packaging Solutions: Complete package assembly services including foam inner packaging, corrugated dividers, and custom printing services.
4. FDB Hazardous Waste Containers: FDB-certified hazardous waste containers sold in standard sizes (36x36x36 inches) or custom configurations for safe disposal of hazardous materials.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

Duro-Flex manufactures and sells custom and standard corrugated packaging products, including single, double, and triple wall boxes, foam inserts, die-cut packaging, pallet boxes, hazardous waste containers, corrugated pallets, and specialty wood crates. Products are designed and produced to customer specifications for B2B clients across aerospace, construction, food and beverage, e-commerce, medical, and industrial sectors, with local delivery in the Midwest and nationwide shipping via third-party carriers.

Product overview

Duro-Flex is a manufacturer of corrugated packaging products serving the Midwest region for over 70 years. The company offers a comprehensive portfolio of packaging solutions centered around corrugated boxes (single, double, and triple wall configurations) as the core product line. The offering extends to complementary products including custom foam packaging with smart foam technology, die cut packaging, custom inner packaging with dividers and partitions, and custom printed boxes for branding. Specialty products include industrial grade pallet boxes (Gaylords and octagonal bins), collapsible bulk shippers, FDB-certified hazardous waste containers, corrugated pallets as non-wood alternatives, and specialty wood shipping crates. The company provides both custom design services and standard off-the-shelf products, with complete package assembly services including foam inner packaging and corrugated dividers. Duro-Flex also offers local delivery throughout the Midwest and outsourced shipping nationwide.

Differentiator

Problem solved

Functional benefit

Products and services

• Corrugated Packaging Products Custom and standard corrugated boxes available in single, double, and triple wall configurations, with multi-depth options for versatile sizing, serving B2B customers with shipping and storage needs.
• Custom Foam Packaging and Corrugated Plastic

Segments7 records

Ideal customer profiles6 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.

• Association of Independent Corrugated Converters (AICC)moderateOthersAICC is an independent packaging association. As a member, Duro-Flex adheres to the highest industry standards for quality and sustainability and stays informed of the latest industry advancements.

Scale indicators2 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• Greif Inc: Greif is a global industrial packaging manufacturer producing corrugated containers, protective packaging, and specialty packaging. Comparable in serving industrial customers with custom packaging solutions, including hazardous materials handling segments.
• Sealed Air Corporation: Sealed Air is a major protective packaging manufacturer including foam-in-place and custom foam solutions. Directly comparable to Duro-Flex's Smart Foam HDPE packaging line, while serving overlapping e-commerce and industrial customers.
• Sonoco Products: Sonoco is a diversified global packaging manufacturer offering corrugated boxes, protective packaging, and specialty packaging for industrial and consumer markets. Comparable in breadth of product portfolio and end-market exposure.
• Smurfit Westrock: Smurfit Westrock (formed by Smurfit Kappa-WestRock merger) is the largest global corrugated packaging producer. Comparable as a full-line corrugated, containerboard, and protective packaging supplier serving similar B2B end markets at scale.
• Packaging Corporation of America: PCA is a major publicly-traded corrugated packaging manufacturer with nationwide plant footprint. Comparable as a producer of corrugated containers and boxes serving similar industrial, e-commerce, and consumer goods end markets, though at materially larger scale.
• Pactiv Evergreen: Pactiv Evergreen produces food and beverage packaging, protective packaging, and corrugated solutions. Comparable in serving food and beverage and industrial customers with protective and corrugated packaging offerings.

Direct peers

• Hood Container Corporation: Hood Container is a privately-held U.S. corrugated packaging manufacturer with multiple plants serving industrial and agricultural markets. Comparable as a regional corrugated converter serving similar mid-market B2B customers.
• Pratt Industries: Pratt Industries is one of the largest U.S. privately-held corrugated packaging manufacturers, operating 70+ plants. Directly comparable as a custom corrugated converter serving similar B2B end markets with analogous product lines including boxes, sheets, and displays.
• Cascades Inc: Cascades is a North American-focused corrugated and tissue packaging manufacturer. Comparable as a corrugated packaging converter serving similar B2B end markets with emphasis on recycled and sustainable products.
• Inteplast Group: Inteplast is a major North American producer of corrugated and protective packaging including HDPE-based products. Comparable in combining corrugated manufacturing with plastic/foam protective packaging offerings.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Customer concentration

• LinkedInlinkedin.com/company/duro-flex-llc
• Facebookfacebook.com/Duro-Flex-LLC-108785645242555

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Duro-Flex