Based in Sherwood Park, Grand National Drilling Ltd. specializes in drilled piles and Krinner ground screws. We drill piles from 16" to 72" diameter, and up to a depth of 55". Our foundations are quick to install, environmentally friendly, reusable and removable. No job is too big or too small. With state-of-the art drill rigs, we offer quality, safety, and 40 years of experience in the field. Give Don a call today. more... See more text