About Us

LAI Ltd. is a manufacturers’ representative firm serving the Water, Wastewater, and Stormwater Markets in Northern Illinois, Northwestern Indiana, and Wisconsin since 1958.

We represent manufacturers who design, develop, and build some of the finest equipment and most innovative processes available. We have recently added several new companies to our product offerings. Each of these companies have websites detailing their products.


Herb Ley founded Ley & Associates (LAI Ltd) in 1958. Mr. Ley was formerly an Engineer with Chicago Pump Company located in Chicago, IL. LAI Ltd operated as a sole proprietorship from 1958 until 1975. In 1975, Jay Jones and John Halvorsen joined LAI Ltd as equal partners. The company operated as a Sub Chapter S until the retirement of Herb Ley in 1978.

The Company was then incorporated in the State of Illinois in 1978. John Halvorsen left the company to pursue other interests and Jay Jones was the sole owner from 1985 to 2000. The Company was then transitioned and sold to Dave Crain and Tim Tack.  In 2014 the company transitioned ownership to its current Owners, Tim Tack, Pete Lynch, and Richard Hussey.


Timothy A. Tack P.E. (President / Outside Sales Associate)

Since joining LAI Ltd in 1997, Tim has worked as an outside salesman and office manager. Prior to LAI Ltd, Tim worked for R.H. Anderson & Associates as a project engineer, designing and constructing Water & Wastewater Facilities throughout Northern Illinois. Tim graduated from the University of Illinois with a BS in Civil Engineering and is a licensed Professional Engineer in the State of Illinois. Tim is past president and treasurer of CSWEA.

Peter Lynch (Vice President / Outside Sales Associate)

Pete joined LAI Ltd in June of 2000. Prior to LAI Ltd, Pete worked for Waterlink / Hycor in their service, engineering and sales departments. Pete brings a strong manufacturing background to the Company in start-up and troubleshooting, drafting and design, and sales and marketing. Pete is the past president of the Fox Valley Operators Group, and currently serves on the MARC committee for IWEA / ISAWWA. Pete became a partner in 2014.

Richard Hussey P.E. (Vice President / Outside Sales Associate)

Rich joined LAI Ltd in March 2004. Prior to working at LAI Ltd, Rich worked for Strand Associates as a project manager and project engineer. He established a client base that allowed him to work on various wastewater and water treatment plant projects. Rich graduated from the University of Illinois Urbana-Champaign with a BS and MS in Environmental Engineering and is a licensed Professional Engineer in the State of Illinois. Rich has served various roles within CSWEA and is currently on the Education Seminar Committee.  He is also a Board Member for the Ground Hog Club. Rich became a partner in 2014.

Bob Bate P.E. (Outside Sales Associate)

Bob joined LAI Ltd in Spring 2011. Prior to working at LAI Ltd, Bob was a project manager and project engineer with Strand Associates in Madison, WI for nearly 30 years. Prior to working at Strand, he worked at the Wisconsin Department of Natural Resources.

Shea Meyer (Outside Sales / Field Service)

Shea joined LAI, Ltd in January 2014. Prior to LAI, Ltd., Shea worked for Walter E. Deuchler & Associates as a resident engineer overseeing the construction of several large water & wastewater treatment facilities and before that he worked at Seagren/Shales as a project manager building water & wastewater facilities. Shea graduated from Eastern Illinois University with a BS in Industrial Technology focusing on construction management.

Denny Weber (Outside Sales Associate)

Denny graduated from University of Illinois Chicago with a BS in Business and a Minor in Mechanical Engineering.  He has 30 plus years of combined pump and mixer experience on the national, regional, and local levels working directly as a manufacturer and manufacturer’s representative.  His previous role included managing the application engineering and service group for the Flygt Northern Illinois direct office.

Andy LeJeune (Inside Sales / Aftermarket)

Andy has been with LAI Ltd since July 2012. He serves as inside support for the outside salesman, as well as handles small quotes (under $5,000), engineering submittal and O&M coordination, small equipment deliveries, and aftermarket parts orders.

Mary S. Healy (Administrative / Aftermarket)

Mary has spent the last 20 years at LAI Ltd working as an administrative assistant and handling the aftermarket sales. Mary ensures the customer’s aftermarket needs for parts and service are handled promptly and efficiently enabling the outside salesmen to concentrate on new business. She also handles all of the accounts receivable and expenditures for buy and resell products. Prior to joining LAI Ltd, Mary worked for Worthington Pump as an administrative assistant and parts salesperson.