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

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
1973
Lakewood Founded
Bob Doenges founds the company in Compton, California, and becomes one of the first companies to manufacture Water Treatment Controllers.
1982
First Move to Glendale
Needing to expand, Lakewood moves to Glendale, California.
1994
Osmonics & the Second Move to Glendale
Lakewood is purchased by Osmonics and moved to Glendale, Arizona.
2000
The General
Osmonics is purchased by General Electric to become part of GE Water.
2003
Third Move to Glendale
GE moves the Arizona operations of Osmonics to Glendale, Wisconsin. Because Glendale.
2005
Private!
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.
2019
Leadership Change
Loren Salsman retires after 30 years with the company, and the firm is now led by Lloyd Brown.