Gillespie Precast produces a broad variety of products to meet the diversified needs of clients. We produce Box Culverts, DC Box Culvert, Sand Filters, Pre-piped Water Meter Vaults, Contech, Pump Stations (wet wells), Tanks – 1,000 to 10,000+ gallon, Custom Structures, Electrical Vaults as well as Standards (Pepco, BGE, Dominion Energy), Large diameter Manholes and Custom Walls.