Welcome to Kerkstra Precast, your source for superior precast concrete products serving Michigan, Indiana, Ohio & Illinois Kerkstra Precast, a PCI (Precast/Prestressed Concrete Institute) certified company, would like to offer a free lunch and learn and an AIA accredited presentation to you and your staff Kerkstra Precast is your source for superior precast concrete products We are a PCI Certified precast concrete producer with extensive experience in manufacturing precast concrete building and infrastructure products We had about two acres so we could have our three septic tank forms outside, store the tanks and also store our other supplies