Polylok, Inc. is an international supplier of plastic injection molded products for the precast, drainage, and wastewater industries. Our home office is located in Wallingford, CT, and our European division is based in Kildare, Ireland. Unlike the majority of our competitors, we design our products in-house, and manufacture in the USA. We have two manufacturing facilities in Connecticut, and one in Indiana. In addition, we hold more than 75 patents and produce more than 200 different products. We are constantly striving to develop new and innovative products.