The CDL OTR (Over The Road) Heavy Haul Truck Driver is responsible for, but not limited to operating tractor trailer combination to transporting heavy equipment, supplies and accessories between internal and external jobsites, dealerships, and auction locations. Company Overview Founded by Sam Saiia as Birmingham Excavating Co. in 1946, the company now known as Saiia Construction is an industrial heavy civil contractor of choice for the power generation, mineral and aggregate mining, and pulp and paper markets.