Simpson Trucking is a full-service contractor that offers various site construction services. The company offers a range of services, including cleaning, burning, grinding, grading, demolition, paving, striping, rock excavation, hydroseeding and grassing services. It is located in Gainesville, Ga., and maintains a fleet of more than 60 trucks and trailers. Simpson Trucking also provides bridges, box culverts, walls, spillways and concrete structures.