ADD Corporation has more than 35 years of comprehensive knowledge and experience, providing our customers with services from machinery to earthwork and concrete projects. Our team is committed to high-quality and efficient maintenance of heavy machinery, from site preparation to pipe laying, and concrete pouring services for residential, industrial and commercial projects. Wet and dry hire excavation and earthmoving equipment are available at competitive rates from ADD Corporation. We can handle jobs of any size and have the necessary skills and equipment to make them a success. read full review »