About Us

Clean Water for the Planet®

ESL develops advanced chemistries for diverse industries and applications. ESL’s home office is based in Rogers, Arkansas, with additional research labs at several locations throughout the United States and production facilities in Nebraska.

ESL’s current chemical technologies include agricultural adjuvants, micronutrients, algaecides, and fungicides; municipal water treatment products EarthTec®, for controlling cyanobacteria, and EarthTec® QZ for controlling invasive species, such as zebra and quagga mussels in water treatment plants, reservoirs, and lakes; and recreational water treatment pool and spa care product lines PristineBlue® and the high-performance specialty chemicals.