About Us


For More Than 90 Years

The W. H. Leary Company has made a commitment to engineering and manufacturing quality assurance, glue application, and mechanical solutions for the packaging industry. Our expertise in integration comes from a comprehensive understanding of sensors, controls, micro-processing, machining, and high-speed multi-tasking systems.


Leary is dedicated to being a leader in manufacturing in-process controlling, monitoring, extrusion and data acquisition systems for the packaging industry. As an engineering company, we are continually developing new solutions which help our packaging partners produce products which exceed their customers' expectations and improve plant performance.


Corporately located in Chicago, IL, Leary solutions are distributed and supported worldwide. In 2014 we formed a partnership with Robatech Group, a leading worldwide manufacturer of Hot Melt and PUR Glue Application Solutions, which expanded our reach and product offering even further into the paper converting market.


Packaging automation demands are increasing, which makes it necessary to rely on innovative and dependable equipment. Whether your business is part of the converting or fulfillment industry, W. H. Leary has a solution that will enable you to deliver a "100% fit-for-use" product to your customer.

Corporate Vision

To be recognized as a model of excellence, committed to leading a world class organization that provides innovative technologies, products, solutions and services to a global packaging market.

Mission Statement

The Leary Group believes that all business transactions must be based on honesty and integrity. We will provide the best products and services through people who are dedicated to exceeding our customers' expectations. By focusing on our customers' needs, we will capture more markets, out perform our competition and establish a work place for all employees that is profitable, healthy and beneficial to everyone.

Global Alliances

Today's competitive packaging market has made it more important to find vendors that can fully service all of your packaging needs. It is our purpose to not only meet these desires, but to surpass your expectations. For this reason we have developed strategic global alliances to better serve and support our global customers.