Heartland Products Group

What Heartland Products Group does

Heartland Products Group is the parent entity of Callenor Co., a privately held specialty paperboard manufacturer operating since 1950 and headquartered in Milwaukee, Wisconsin with a secondary manufacturing facility in Minneapolis, Minnesota. The company produces spiral wound paper tubes, paper cores, retail display poles, mailing and shipping tubes, cremation rollers, and custom tape and label cores for industrial, manufacturing, and retail customers. Products are manufactured to customer specifications with no minimum order size, including specialty operations such as PMS color matching for retail display poles and a range of end-cap and dimensional configurations.

The underlying technology is a spiral winding process that laminates paperboard plies into rigid tubular forms; the company's competitive positioning rests on decades of accumulated process expertise, in-house manufacturing (versus distribution), and tight quality control from build through shipping. GTM is sales-led and quote-based, with a direct website "Get a Quote" funnel, 48-hour pricing response commitment, and 5-7 business day made-to-order turnaround. Distribution is direct from the two Midwest plants to customers across all 50 U.S. states and Canada.

The business model is one-time product sales of custom-manufactured paperboard packaging and display components, priced per order with no disclosed volume tiers or recurring contracts. Customer segmentation is horizontal, spanning industrial manufacturers, shipping/logistics users, retail merchandisers, and niche verticals such as the funeral services and label-converting industries. The firm appears to be family or founder-owned with no disclosed outside investment, and operates with 11-50 employees.

Name

Heartland Products Group

Legal name

Callenor Co.

Website

https://heartlandproductsgroup.com

Company type

Private

Founded year

1950

Operating status

Operating

Headcount range

1–10 employees

Short description

Heartland Products Group operates Callenor Co., a privately held Midwest specialty manufacturer of spiral wound paper tubes, cores, display poles, and custom paperboard packaging serving industrial, retail, and niche industrial customers across all 50 U.S. states and Canada.

Ownership category

akta.pro rank

Headquarters

HQ city

Milwaukee

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Paper Tubes and Cores Sales: One-time product sales of spiral paper tubes, cores, display poles, mailing tubes, and related paperboard packaging products. The company manufactures custom products to customer specifications with no minimum order too small.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Heartland Products Group (operating as Callenor Co.) manufactures spiral wound paper tubes, cores, display poles, mailing tubes, cremation rollers, and tape/label cores in-house at facilities in Milwaukee, WI and Minneapolis, MN. Products are custom-made to specification with no minimum order size, serving industrial, retail, and shipping applications across all 50 U.S. states and Canada.

Product overview

Callenor Co. is a manufacturer (not a distributor) of spiral wound paperboard packaging supplies, operating since 1950. The company offers a portfolio of core paperboard products including Paper Tubes (for mailing, shipping, and packaging applications), Display Poles (for retail store displays), Paper Cores (for industrial and tape/label applications), Cremation Rollers, and Custom Solutions (specialty operations and customization capabilities). Products are manufactured in-house at facilities in Milwaukee, WI and Minneapolis, MN, enabling quality control from production through distribution. The company ships to all 50 states and Canada.

Differentiator

Problem solved

Functional benefit

Products and services

• Paper Tubes Custom packaging, shipping, and mailing paper tubes built to specification with various end options to protect products in transit. Includes mailing tubes, cardboard shipping tubes, and large cardboard tubes for industrial applications. Targeted at industrial and manufacturing businesses.
• Display Poles Retail display poles available in single length or multi-sectional sets with custom PMS color matching capabilities. Targeted at retail businesses needing visual merchandising and brand differentiation.
• Paper Cores Spiral wound paper cores for various industrial purposes, produced to exact specifications from single carton to full semi-trailer quantities. Targeted at industrial businesses across multiple sectors.
• Cremation Rollers Specialized rollers designed for cremation industry applications. Targeted at cremation service providers.
• Tape and Label Cores Custom paper cores designed specifically for tape and label roll applications. Targeted at converters and manufacturers in the tape and label industry.

Quantifiable outcome

• 48-hour maximum pricing response time
• +1 more outcomes

Segments2 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators2 records

Recent moves4 records

Expansion highlights4 records

Broad incumbents

• International Paper: International Paper is one of the largest global pulp and paper producers with diversified industrial packaging operations. While its primary focus is containerboard and corrugated packaging, it is a major upstream supplier and adjacent competitor in fiber-based packaging markets where Heartland operates.
• Packaging Corporation of America: PCA is a large publicly traded containerboard and corrugated packaging producer that supplies paper-based materials used in tube and core production and competes in adjacent fiber-based packaging markets. While not focused on spiral tubes specifically, it competes for paper-based packaging budgets across similar customer accounts.
• Smurfit Kappa: Smurfit Kappa is a global paper-based packaging leader offering containerboard, corrugated, and specialty paper packaging. While it focuses on larger-scale packaging categories, it competes for the same fiber-based packaging spend as Heartland and supplies adjacent industrial customers.

Direct peers

• Greif Inc: Greif is a major industrial packaging company with paper tubes, cores, and fiber-based container operations following its acquisition of Caraustar. It competes directly with Heartland in custom spiral wound tubes and cores for industrial and converter customers, with overlapping geographies in the US Midwest.
• Sonoco Products Company: Sonoco is one of the largest global manufacturers of paper tubes, cores, and fiber-based packaging, with a dedicated Industrial Paper Tubes segment serving converters, paper mills, and shipping applications. It is the largest direct competitor to Heartland's spiral wound paper tube business across the same end markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

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 Heartland Products Group