Profile: Big D Companies' inventory and equipment list includes polyethylene pipe, two-ton spooling trucks and auxiliary spooling trailers, a variety of submergible pumps and a fleet of generators. We provide a variety of goods and services to industry. Big D Equipment Rental & Sales offers pit lining, polyethylene liners and custom fabricated liners. Big D Construction Company provides dozer & motor grader services, cleanup and disposal of contaminated soil, excavation, backhoe and hauling.