SHAMROCK CONSTRUCTION Paving a Solid Future. WHO WE ARE » COST. SPEED. DURABILITY. FIND OUT WHY ASPHALT IS RIGHT FOR YOU. Learn More » Why Choose Asphalt? The initial cost savings, speed of construction and long lasting durability makes asphalt the better choice for trails, subdivisions and parking lots. Read More>> Our Specialties Shamrock Construction Company specializes in paving streets, driveways, parking lots, subdivision roads, trails and patch work. We also do roadway and street sealcoating repair. Get a Quote>> EST. 1966 Eastern Iowa’s premier asphalt paving company Get A Quote