Who is HSA?

Our history

Since 1931, Herkowski Stickler & Associates has been servicing the plumbing industry as a manufacturer’s representative. Our team of sales professionals has the experience to help at all levels of the plumbing industry. With its years of experience, HSA evolved from the analysis and anticipation of market needs, and the mix of people and products, and services to meet those needs.

Our benefits

With a strategy of “pull through selling” and a philosophy that always puts the customer first, HSA has a team whether in Wisconsin or Illinois to fully drive any manufacturer’s sales strategy. Herkowski Stickler & Associates services architects, engineers, wholesalers, and mechanical contractors in Wisconsin, the Upper Peninsula of Michigan, and Illinois as a manufacturer’s representative.

Our values

We realize that growing our business through strong relationships is the key to our clients’ success. While representing quality manufacturers, we provide the customer with quick, reliable service that will ultimately lead to a positive sales experience for our principal partners and our mutual customers.

Open since 1931

A family owned business, Herkowski Stickler & Associates have been in operation for more 90 years.

2 Locations

Our warehouses span both Wisconsin and Illinois and have over 25,000 sqft of products ready to ship.

36 employees

The HSA team continues to grow over the years to help provide better service to our customers.

320+ years of experience

Our teams extensive knowledge of the plumbing industry allows us to recommend the right parts for your job.

How it all started


Byron Stickler starts Stickler & Associates


Ray Stickler purchases Stickler & Associates


Stephen Stickler purchases Stickler & Associates


Herkowski Sales joins forces with Miller Sales in Illinois


Joe Herkowski & Stephen Stickler join forces as Herkowski Stickler & Associates


HSA joins forces with Riddle Associates in Illinois


HSA joins forces with Deery-Pardue & Associates in Illinois


HSA opens Service Center at its Wisconsin location


HSA Gives Back is implemented to support charitable endeavors


HSA Hot Water Technical Solutions is introduced

Meet our team

Business Development Professionals

Mick Bradford

Business Development Manager

Paul Ginter CPMR

Business Development Professional

Joe Herkowski CPMR

Owner/Business Development Professional

Tara Jensema

Business Development Professional

Jimmy Kane

Business Development Professional

Greg Luczak

Business Development Professional

Mark Luczak

Business Development Professional

Greg Pardue CPMR

Business Development Professional

Tyler Redling CPMR

Business Development Manager

Penny Rimdzius

Business Development Professional

Nick Soristo

Business Development Professional

Steve Stickler CPMR

Owner/Business Development Professional

Phil Traynor CPMR

Business Development Manager

Derek Vaughn

Business Development Manager

Inside Support

Brian Baxter CPMR

Inside Support Manager

Donald Castle

Inside Support

Daisy Ciolli

Inside Support

Barb DeCanio

Inside Support

Jason Gerard

Inside Support

Diana Gurak

Inside Support

Tyler Hamilton

Inside Support

Brenda Holz

Inside Support

Patty MacKay

Inside Support

Brian McCarthy

Inside Support

Keith Pirlot

Inside Support

Paula Sowinski

Inside Support

Tom Sowinski

Inside Support

Carrie Vetter

Inside Support

Office Staff

Katie Goodman

Communications Manager

Lisa Pardue


Warehouse Staff

Adrian Alvarado


Joe Guzman


Evan McMillin

Warehouse Manager

Lenny Sands


Memphis Van Engen


Oscar Zavala


HSA helps us be a better contractor by bringing the latest and greatest equipment and materials so we’re not lagging behind the latest market trends.

They are not afraid of rolling up their sleeves and getting into the market to troubleshoot and resolve issues. That takes experience, and HSA has that!

With their technical expertise and warehouses in Chicago and Milwaukee, HSA’s support of the engineers, contractors and wholesalers they serve is unmatched.

We are members of these fine organizations

At HSA, we recognize the importance of working with the right people. Throughout the years, we have joined, connected, and collaborated with many organizations that work towards making the plumbing industry the best it can be.

We're here to help

Not sure what you need? Looking for some assistance with our product lines? Reach out to us and one of our sales reps will be in touch with you shortly to assist.

Headshot of Brian McCarthy
Brian McCarthyInside Support