Hydrolox is a brand of Intralox (Harahan, Louisiana), supplying engineered polymer traveling water screens to the water extraction industry for over 20 years. Screens are positively driven (chain-free), built to handle extreme debris loads and designed to remain submerged for the entirety of their service life with minimal maintenance. Applications include power plant cooling water intakes, desalination plant intakes, oil and gas refineries and nuclear facilities. Founded 2006, 1,001-5,000 employees (parent company Intralox).