Lakewood History

About Us

Lakewood Instruments history

Founded in 1973 in a garage in Compton California, Lakewood Instruments was among the first companies that manufactured water treatment controllers. When expansion was needed, the founder Bob Doenges, moved the company to Glendale California.

Over forty-five years of satisfied customers

Lakewood Controllers from the past

What you can expect

Who we are?

Lakewood is a small team of fiercely competitive people dedicated to manufacturing the most reliable water treatment equipment on the market.

Our values

  • Legendary Customer Service
  • Fanatical about Response Time
  • Egos checked at the door
  • Honor Commitments
  • Assume Positive Intent

Our mission

Reducing the time you spend working on water treatment equipment by making it easy for you.

Our history


Lakewood Founded

Bob Doenges founds the company in Compton, California, and becomes one of the first companies to manufacture Water Treatment Controllers.


First Move to Glendale

Needing to expand, Lakewood moves to Glendale, California.


Osmonics & the Second Move to Glendale

Lakewood is purchased by Osmonics and moved to Glendale, Arizona.


The General

Osmonics is purchased by General Electric to become part of GE Water.


Third Move to Glendale

GE moves the Arizona operations of Osmonics to Glendale, Wisconsin. Because Glendale.



Bill Brink purchases Lakewood Instruments along with Loren Salsman, GM of Lakewood. Bill also owns ETI, manufacturer of the circuit board components of the Lakewood product line. Having run out of cities named Glendale, the company moves to Milwaukee, Wisconsin.

2005 – 2016

Product Development

Continued product innovation evolves the 1500-series platform through many changes, the 2000 series forms the basis for the launch of the NexSys controller, being the first controller to seamlessly integrate with Building Management Systems.


Leadership Change

Loren Salsman retires after 30 years with the company, and the firm is now led by Lloyd Brown.