IDEXX Laboratories is the world's leading provider of innovative water microbiology test kits. We offer easy, rapid, accurate test kits for coliforms, E. coli, enterococcus, HPC, Cryptosporidium, Giardia, and other analytes. In the US, over 90% of state public health laboratories use our Colilert® family of products for coliform/E.coli testing. IDEXX products are approved by more than 30 governments and organizations worldwide.