Formed in 2007, Roesink Microbiology Laboratories has been serving clients all over Ohio and beyond for close to two decades. Located in beautiful Portage Lakes, Ohio, the lab is a short drive whether you are located in northern, eastern, central or western Ohio. Samples can be dropped off Monday through Sunday by appointment or shipped for delivery. Samples are processed on the day of receipt unless circumstances prohibit otherwise. Join us on our journey of improving our nations food safety one sample at a time.