Industrial Test Systems, Inc., was established in 1989 by Ivars and Daryl Jaunakais. in Rock Hill, SC. ITS is a leading American manufacturer of instruments and chemistries designed to test water quality parameters. We service numerous industries; municipal water treatment, food beverage, trucking & automotive, pond & aquarium, pool & spa, educational, and medical diagnostics. ITS has developed over 100 tests and proprietary chemistries many covered by our U.S. and World-wide patents and ETV/USEPA performance verified tests. We are proud to have developed the first and only USEPA approved test strip. Our cutting edge products are unique in the marketplace saving users time and money.