Answer: Estes and Fortis
Explanation: Product liability suit is the region of legislation in which producers, distributors, suppliers, dealers, and others who make commodities accessible or lease products to the public are held accountable for harms those products cause.
The negligence could occur in the production operation involving low -quality materials, design negligence when the commodity is naturally hazardous or useless hence inadequate despite the care applied when producing it or marketing negligence when the important product instructions and warnings are not given prior to the usage. In this case, Dig Deep Inc. is liable to Estes and Fortis for the injury they sustained from using their product, backhoe.