Koester covers all of New York State – including Long Island, Northern New Jersey and Canada for sales, application, implementation, and servicing of water and wastewater.

Resources & News

To assist municipalities, engineers, contractors and maintenance personnel in selecting equipment and solutions for water and wastewater, Koester provides several downloadable resources. View Now
Koester Associates Partners with Bilfinger Airvac® View Now

What Customers Say

“Your company is great to deal with. You have great service and handle everything with utmost professionalism.”
“We appreciate the progressive thinking and commitment to customers that is constantly exhibited by Koester employees.”