DELTA PLOWS, LLC. manufactures a complete line of vibratory Cable Plows and Land Clearing/brush mulching tractors. Vibratory Cable Plows are used in direct burial of communication cable & wire and polyethylene pipe for transportation of natural gas and other materials. Land Clearing/brush mulching tractors are used to reduce unwanted trees and brush without the harmful environmental effects of other methods such as burning or dumping in landfills.