Your Residential and Commercial Concrete Manufacturers Are you in need of concrete? Operating out of Simpsonville, South Carolina, Southeastern Concrete Products Upstate is your source for the best in concrete products. Our concrete manufacturers specialize in concrete blocks and concrete pipes for residential and commercial purposes. From general building to road construction, Southeastern Concrete Products Upstate has everything you need all in one place, so there is no need to go anywhere else. We Provide the Following: Concrete for Building Purposes Concrete for Road Construction Concrete Pipes for South Carolina Only Concrete Blocks for North & South Carolina