PolyScience is a leading producer of constant temperature control equipment. Since 1963, we have been providing innovative te ... mperature control solutions for our customers worldwide. Our vast distributor and service network spans 6 continents and most major cities around the globe. We are headquartered in Niles, Illinois, USA, just outside of Chicago. This central location provides us with extensive access to technical, manufacturing, and transportation resources. Visit : https://www.youtube.com/watch?v=vfFtRIUFmvQ to learn more about PolyScience. read more