About 1 Trademarks found that are owned by Koester Associates Inc.

The mark consists of a water drop, the top half of the water drop is blue with a light blue vertical line through the center of the drop; the bottom half of the water drop is green with a black vertical line through the center of the drop; the top and bottom halves of the water drop are separated by a space; to the right of the water appear drop appears the letters "KOESTER" in black. The color white in the mark represents background, outlining, shading, and/or transparent areas and is not part of the mark.

Installation, repair, maintenance of water distribution systems, water treatment systems, water purification systems, wastewater treatment systems, wastewater re-use systems, and drinking water treatment equipment