Kerkstra Precast produces precast and pre-stressed concrete products, including insulated sandwich wall panels, hollow-core floor planks, beams, columns, highway sound walls, median barriers, manholes and septic tanks, as well as custom specialty precast products for the construction industry. These products are used in many different applications, including industrial, commercial, retail, educational, office, institutional, recreational, and residential projects. Produced at two Michigan locations, in Jenison and Grandville, Kerkstra Precast s facilities offers state-of-the-art equipment in the industry. Larry Kerkstra, then the owner of Kerkstra Septic Tank, began Kerkstra Precast in 1975. Its location in Grandville opened in 1997 and operates on more than 30 acres. Kerkstra Precast maintains corporate headquarters in Jenison.